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You searched for: Subject tannins Remove constraint Subject: tannins Subject term chemical constituents of plants Remove constraint Subject term: chemical constituents of plants
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1. Abundance of Neopelma baccharidis (Homoptera: Psyllidae) galls on the dioecious shrub Baccharis dracunculifolia (Asteraceae)

Author:
Espirito-Santo, M.M.; Fernandes, G.W.
Source:
Environmental entomology 1998 v.27 no.4 pp. 870-876
ISSN:
0046-225X
Subject:
Psyllidae; galls; seasonal variation; population density; tannins; dioecy; natural enemies; mortality; chemical constituents of plants; Brazil
Abstract:
... We assessed whether temporal variation in gall abundance of Neopelma baccharidis Buckhardt on Baccharis dracunculifolia De Candole is determined by climatic conditions, availability of adults for plant colonization, tannin concentration in plant tissue, or attack by natural enemies. We verified the influence of host plant sex on the above-mentioned factors. Gall abundance varied during the study p ...
DOI:
10.1093/ee/27.4.870

2. Acacia storyi: a potential tannin-producing species

Author:
Yazaki, Y.
Source:
Australian forestry 1997 v.60 no.1 pp. 24-28
ISSN:
0004-9158
Subject:
Acacia; tannins; provenance; bark; yields; plant extracts; flavanols; quantitative analysis; chemical constituents of plants; Queensland; Papua New Guinea; Northern Territory; New South Wales; Tasmania
DOI:
10.1080/00049158.1997.10674695

3. Accumulation of flavonoids and related compounds in birch induced by UV-B irradiance

Author:
Lavola, A.
Source:
Tree physiology 1998 v.18 no.1 pp. 53-58
ISSN:
0829-318X
Subject:
biosynthesis; quantitative analysis; phytotoxicity; coumaric acids; seedlings; stress response; secondary metabolites; Betula pendula; tannins; flavonoids; chemical constituents of plants; ultraviolet radiation; leaves; shoots; Germany; Alaska; Finland
Abstract:
... A growth chamber experiment was conducted to examine the effects of UV-B exposure (4.9 kJ m-2 day-1 of biologically effective UV-B, 280-320 nm) on shoot growth and secondary metabolite production in Betula pendula (Roth) and B. resinifera (Britt.) seedlings originating from environments in Finland, Germany and Alaska differing in solar UV-B radiation and climate. Neither shoot growth nor the compo ...
DOI:
10.1093/treephys/18.1.53

4. Analysis for Tannin Concentration in Sericea Lespedeza by Near Infrared Reflectance Spectroscopy

Author:
W. R. Windham; S. L. Fales; C. S. Hoveland
Source:
Crop science 1988 v.28 no.4 pp. 705-708
ISSN:
0011-183X
Subject:
Lespedeza cuneata; tannins; biosynthesis; quantitative analysis; infrared spectroscopy; reflectance; chemical constituents of plants; Georgia
Abstract:
... Near infrared reflectance spectroscopy (NIRS) has become widely accepted for the analysis of forage quality parameters. However, this technology has not been tested adequately for its capacity to analyze forages for antiquality parameters. Our objectives were to evaluate the utility of NIRS to determine the tannin concentration of sericea lespedeza [Lespedeza cuneata (Dum.-Cours.) G. Don.] and to ...
DOI:
10.2135/cropsci1988.0011183X002800040031x

5. Anthocyanins and tannins in ozone-fumigated guava trees

Author:
Rezende, Fernanda Mendes de; Furlan, Cláudia Maria
Source:
Chemosphere 2009 v.76 no.10 pp. 1445-1450
ISSN:
0045-6535
Subject:
Psidium guajava; guavas; ozone; air pollution; phytotoxicity; leaves; chemical constituents of plants; tannins; anthocyanins
DOI:
10.1016/j.chemosphere.2009.05.028
PubMed:
19539346

6. Anti-Helicobacter pylori acitivities of Eucalyptus grandis: Effects on susceptibility, urease activity and cell surface hydrophobicity

Author:
Adeniyi, Bolanle A.; Onwubuche, B.C.; Anyiam, F.M.; Ekundayo, O.; Mahady, Gail B.
Source:
Pharmaceutical biology 2009 v.47 no.1 pp. 13-17
ISSN:
1388-0209
Subject:
stomach neoplasms; essential oils; medicinal plants; plant extracts; gastritis; cell membranes; hydrophobicity; strains; saponins; Eucalyptus grandis; urease; medicinal properties; enzyme inhibition; traditional medicine; Helicobacter pylori; minimum inhibitory concentration; tannins; enzyme activity; methanol; duodenal ulcers; chemical constituents of plants; bark; Nigeria
DOI:
10.1080/13880200802397988

7. Antibacterial activity of Phyllanthus muellerianus

Author:
Doughari, J.H.; Sunday, D.
Source:
Pharmaceutical biology 2008 v.46 no.6 pp. 400-405
ISSN:
1388-0209
Subject:
Staphylococcus aureus; Pseudomonas aeruginosa; Phyllanthus; alkaloids; methanol; minimum inhibitory concentration; flavonoids; plant extracts; tannins; saponins; pH; antibacterial plants; chemical constituents of plants; bark; anthraquinones; leaves; antibacterial properties; Western Africa
DOI:
10.1080/13880200802055842

8. Antibacterial effects of the bark of Terminalia arjuna: justification of folklore beliefs

Author:
Samy, R.P.; Ignacimuth, S.
Source:
Pharmaceutical biology 2001 v.39 no.6 pp. 417-420
ISSN:
1388-0209
Subject:
traditional medicine; Gram-negative bacteria; alkaloids; anti-infective agents; plant extracts; Gram-positive bacteria; triterpenoids; tannins; growth retardation; flavonoids; chemical constituents of plants; medicinal properties; bark; Terminalia arjuna; India
DOI:
10.1076/phbi.39.6.417.5876

9. Antidiarrheal activity of the fruits of Vitex doniana in laboratory animals

Author:
Suleiman, M.M.; Yusuf, S.
Source:
Pharmaceutical biology 2008 v.46 no.6 pp. 387-392
ISSN:
1388-0209
Subject:
antidiarrheal effect; histamine; traditional medicine; dose response; castor oil; acetylcholine; flavonoids; laboratory animals; medicinal plants; plant extracts; mice; saponins; tannins; peristalsis; chemical constituents of plants; Vitex; sterols; anthraquinones; animal disease models; Nigeria
DOI:
10.1080/13880200802055826

10. Antinociceptive effect of the aqueous extract of Terminalia triflora

Author:
Mino, J.; Martino, V.S.; Coussio, J.D.; Acevedo, C.
Source:
Pharmaceutical biology 2002 v.40 no.4 pp. 249-252
ISSN:
1388-0209
Subject:
Terminalia; plant extracts; medicinal plants; medicinal properties; traditional medicine; anti-inflammatory agents; analgesics; edema; ellagic acid; tannins; dosage; dose response; mice; chemical constituents of plants; naloxone; animal experimentation; Argentina
DOI:
10.1076/phbi.40.4.249.8471

11. Antinutritional compounds in the Brassicaceae: analysis, biosynthesis, chemistry and dietary effects

Author:
Griffiths, D.W.; Birch, A.N.E.; Hillman, J.R.
Source:
Journal of horticultural science & biotechnology 1998 v.73 no.1 pp. 1-18
ISSN:
1462-0316
Subject:
Brassicaceae; antinutritional factors; biosynthesis; glucosinolates; s-methylcysteine sulfoxide; tannins; erucic acid; biochemical pathways; flavor; odors; chemical constituents of plants

12. Antinutritional effects and ecological significance of dietary condensed tannins may not be due to binding and inhibiting digestive enzymes

Author:
Blytt, H.J.; Guscar, T.K.; Butler, L.G.
Source:
Journal of chemical ecology 1988 v.14 no.6 pp. 1455-1465
ISSN:
0098-0331
Subject:
Bovidae; digestive juices; enzymes; tannins; antifeedants; growth retardation; digestible protein; ecology; enzyme activity; chemical constituents of plants; diet study techniques
DOI:
10.1007/BF01012417
PubMed:
24276396

13. Antinutritional factors in wild yam tubers

Author:
Sahore, D.A.; Amani, N.G.; Kamenan, A.
Source:
Tropical science 2006 v.46 no.2 pp. 113-115
ISSN:
0041-3291
Subject:
Dioscorea; yams; tubers; wild plants; antinutritional factors; cyanides; oxalic acid; tannins; sapogenins; alkaloids; chemical constituents of plants; Cote d'Ivoire
DOI:
10.1002/ts.60

14. Assessment of the phytochemical and antitrypanosomal properties of some extracts of leaves, stem and root bark of Landolphia sp., P. Beauv

Author:
Atawodi, S.E.; Alafiatayo, A.A.
Source:
Journal of ethnopharmacology 2007 v.114 no.2 pp. 207-211
ISSN:
0378-8741
Subject:
phytochemicals; leaves; stems; roots; Landolphia; trypanocides; in vitro studies; in vivo studies; steroids; chemical constituents of plants; tannins; saponins; alkaloids; methanol; chloroform; plant extracts; bark; mortality; Trypanosoma brucei brucei; dose response; medicinal plants; Nigeria
DOI:
10.1016/j.jep.2007.08.001

15. Atmospheric CO2 and soil water availability: consequences for tree-insect interactions

Author:
Roth, S.; McDonald, E.P.; Lindroth, R.L.
Source:
Canadian journal of forest research = 1997 v.27 no.8 pp. 1281-1290
ISSN:
0045-5067
Subject:
gas exchange; digestibility; Acer saccharum; interspecific variation; carbon dioxide; stomatal conductance; nitrogen content; host-parasite relationships; starch; water stress; secondary metabolites; feces; photosynthesis; hexoses; leaves; soil water content; sucrose; bioassays; Malacosoma disstria; tannins; feed intake; larvae; biomass; glycosides; Populus tremuloides; chemical constituents of plants; protein content
Abstract:
... The consequences of elevated CO2 for interactions between trees and associated insects will be influenced by the availability of other plant resources. We investigated the effects of CO2 and water availability on phytochemistry of quaking aspen (Populus tremuloides Michx.) and sugar maple (Acer saccharum Marsh.) and the associated performance of the forest tent caterpillar (Malacosoma disstria Hbn ...
DOI:
10.1139/x97-031

16. Berry phenolics in Cabernet Sauvignon (Vitis vinifera L.) during late-stage ripening

Author:
Holt, Helen E.; Birchmore, Warren; Herderich, Markus J.; Iland, Patrick G.
Source:
American journal of enology and viticulture 2010 v.61 no.3 pp. 285-299
ISSN:
0002-9254
Subject:
brix; crop production; crop quality; quantitative analysis; total soluble solids; chemical constituents of plants; wine grapes; developmental stages; tannins; ripening; pruning; irrigation management; Vitis vinifera; crop management; South Australia

17. Biochemical contents, their variation and changes in free amino acids during seed germination in Terminalia arjuna

Author:
Neeta Srivastava; Dhan Prakash; H. M. Behl
Source:
International journal of food sciences and nutrition 1997 v.48 no.3 pp. 215-219
ISSN:
1465-3478
Subject:
Terminalia arjuna; leaves; stems; bark; protein content; phenol; tannins; nitrates; oxalic acid; ascorbic acid; anthocyanins; carotenoids; chlorophyll; seasonal variation; amino acids; seed germination; duration; chemical constituents of plants
Abstract:
... The leaves, twigs, stem and bark of T. arjuna were analysed for their protein, phenol, tannin, nitrate, oxalate in addition to vitamin C, anthocyanin and chlorophyll in the leaves. The variation of some of these parameters in the leaves with season and leaf position was also studied. The time course changes in amino acids and protein during seed germination in T. arjuna, showed initial decrease in ...
DOI:
10.3109/09637489709012595
PubMed:
9205597

18. Characterization of stelar initiation in shoot apices of ferns

Author:
Ma, Y.; Steeves, T.A.
Source:
Annals of botany 1995 v.75 no.2 pp. 105-117
ISSN:
0305-7364
Subject:
cell differentiation; Osmunda cinnamomea; chemical reactions; developmental stages; carboxylesterase; differential staining; tannins; chemical constituents of plants; cambium; Matteuccia struthiopteris
Abstract:
... Procambium is commonly recognized as a vascular meristem in shoot apices of vascular plants. Prestelar tissue comprising provascular tissue (PVT) and pith mother cells (PMCs) immediately subjacent to the single cell layer of promeristem has been considered to represent the initial stage of stelar differentiation preceding procambium and rib meristem in ferns. In addition to characterization of PVT ...
DOI:
10.1006/anbo.1995.1001

19. Chemical Screening for Bioactive Substances in Culture Media of Microalgae and Cyanobacteria from Marine and Brackish Water Habitats: First Results

Author:
Scholz, B.; Liebezeit, G.
Source:
Pharmaceutical biology 2006 v.44 no.7 pp. 544-549
ISSN:
1388-0209
Subject:
alkaloids; algae; brackish water; saponins; tannins; saline water; flavonoids; chemical constituents of plants; Cyanobacteria; habitats
Abstract:
... Culture media of 24 commonly occurring microalgal and cyanobacteria species were subjected to a screening for total alkaloids, saponins, and phenol compounds, especially flavonoids and tannins. Both Wagner's and Mayer's reagents were employed in the alkaloid screening. Ferric chloride solution was used to detect phenolic compounds. Tannins were identified by the gelatine-salt block test. Shinoda's ...
DOI:
10.1080/13880200600883114

20. Chemical analysis and nutritional assessment of the less known pulses, Vigna aconitifolia (Jacq.) Marechal and Vigna vexillata (L.) A. Rich

Author:
Siddhuraju, P.; Vijayakumari, K.; Janardhanan, K.
Source:
Plant foods for human nutrition 1994 v.45 no.2 pp. 103-111
ISSN:
0921-9668
Subject:
Vigna aconitifolia; Vigna vexillata; seeds; proximate composition; minerals; amino acids; fatty acids; antinutritional factors; tannins; phenols; chemical constituents of plants
DOI:
10.1007/BF01088467
PubMed:
8153060

21. Chemical and antimicrobial studies of Platycladus orientalis essential oils

Author:
Hassanzadeh, M.K.; Rahimizadeh, M.; Fazly Bazzaz, B.S.; Emami, S.A.; Assili, J.
Source:
Pharmaceutical biology 2001 v.39 no.5 pp. 388-390
ISSN:
1388-0209
Subject:
Platycladus orientalis; medicinal properties; essential oils; leaves; plant extracts; branches; antimicrobial properties; Bacillus subtilis; Candida albicans; Escherichia coli; Staphylococcus aureus; alpha-pinene; sabinene; limonene; chemical composition; flavonoids; tannins; alkaloids; saponins; volatile compounds; chemical constituents of plants; Iran
DOI:
10.1076/phbi.39.5.388.5894

22. Chemical composition and starch hydrolysis of Acacia colei and Acacia tumida Seeds

Author:
Falade, M.S.; Owoyomi, O.; Harwood, C.E.; Adewusi, S.R.A.
Source:
Cereal chemistry 2005 v.82 no.5 pp. 479-484
ISSN:
0009-0352
Subject:
oxalates; cultivars; dietary fiber; phytic acid; seeds; reducing sugars; Acacia; trypsin inhibitors; starch; nutritive value; crude protein; saponins; tannins; food composition; hydrolysis; chemical constituents of plants; digestibility; sugar content; Africa
Abstract:
... Acacia seed is a promising famine food due to its ability to thrive in dry zones of the world. In this study, some chemical compounds of nutritional importance as well as starch hydrolysis in three cultivars of Acacia tumida and A. colei were determined. The crude protein was 20.6-23.0%, while extractable protein was 11.5-17.5%. Total dietary fiber (TDF) (28.5-32.7%) and soluble dietary fiber (SDF ...
DOI:
10.1094/CC-82-0479

23. Clonal variation in morphology, growth, physiology, anatomy and ultrastructure of container-grown white spruce somatic plants

Author:
Lamhamedi, M.S.; Chamberland, H.; Bernier, P.Y.; Tremblay, F.M.
Source:
Tree physiology 2000 v.20 no.13 pp. 869-880
ISSN:
0829-318X
Subject:
wax coatings; clonal variation; seedlings; net assimilation rate; plant cuticle; somatic embryogenesis; Picea glauca; tannins; chemical constituents of plants; photosynthesis; plant morphology; roots
DOI:
10.1093/treephys/20.13.869
PubMed:
11303577

24. Combreglutinin, a hydrolyzable tannin from Combretum glutinosum

Author:
Jossang, A.; Pousset, J.L.; Bodo, B.
Source:
Journal of natural products 1994 v.57 no.6 pp. 732-737
ISSN:
0163-3864
Subject:
Combretum; medicinal plants; tannins; spectral analysis; chemical constituents of plants; medicinal properties; molecular conformation; leaves; Senegal
DOI:
10.1021/np50108a008

25. Comparison of biological and chemical methods, and internal and external standards, for assaying tannins in Spanish shrub species

Author:
Alvarez del Pino, M.C.; Hervas, G.; Mantecon, A.R.; Giraldez, F.J.; Frutos, P.
Source:
Journal of the science of food and agriculture 2005 v.85 no.4 pp. 583-590
ISSN:
0022-5142
Subject:
Erica arborea; Genista; in vitro digestibility; colorimetry; shrubs; stems; feeds; nutritive value; flowers; tannins; leaves; chemical constituents of plants; Cytisus; Spain
Abstract:
... Tannin contents of stems, flowers and leaves of four shrub species (Erica arborea, Erica australis, Cytisus cantabricus and Genista occidentalis) were chemically assessed using two colorimetric assays (butanol-HCl and Folin-Ciocalteu) and several standards (tannic acid, purified quebracho condensed tannins (CT) and purified CT extracted from each species). A method based on the biological activity ...
DOI:
10.1002/jsfa.1997

26. Competition‐ and resource‐mediated tradeoffs between growth and defensive chemistry in trembling aspen (Populus tremuloides)

Author:
Jack R. Donaldson; Eric L. Kruger; Richard L. Lindroth
Source:
new phytologist 2006 v.169 no.3 pp. 561-570
ISSN:
0028-646X
Subject:
tree growth; tremulacin; salicortin; chemical constituents of plants; nitrogen; secondary metabolites; tannins; plant competition; soil fertility; Populus tremuloides; genetic variation; photosynthesis; Calamagrostis canadensis; plant morphology
Abstract:
... • Costs of defense are thought to maintain genetic variations in the expression of defense within plant populations. As with many plant species, aspen exhibits considerable variation in allocation to secondary metabolites. This study examined the independent and interactive effects of genotype, soil fertility and belowground competition on defensive chemistry and growth in trembling aspen (Populus ...
DOI:
10.1111/j.1469-8137.2005.01613.x
PubMed:
16411958

27. Composition and cellular localization of tannins in grape seeds during maturation

Author:
Geny, L.; Saucier, C.; Bracco, S.; Daviaud, F.; Glories, Y.
Source:
Journal of agricultural and food chemistry 2003 v.51 no.27 pp. 8051-8054
ISSN:
0021-8561
Subject:
Vitis vinifera; wine grapes; ripening; grape seeds; seed maturation; chemical constituents of plants; cell walls; tannins; proanthocyanidins; water stress; soil water deficit
Abstract:
... Cell walls were isolated from seeds of grape berries (Vitis vinifera L.), and proanthocyanidin composition was determined over the course of ripening for different levels of vine water status. During the ripening period the tannins from the cell walls were always more polymerized than those from the inner part of the cell. At maturity this difference becomes more significant compared to veraison, ...
DOI:
10.1021/jf030418r

28. Condensed Tannin Concentraton in Sericea Lespedeza as Influenced by Preservation Method

Author:
T. H. Terrill; W. R. Windham; J. J. Evans; C. S. Hoveland
Source:
Crop science 1990 v.30 no.1 pp. 219-224
ISSN:
0011-183X
Subject:
crop quality; ovens; frozen storage; freeze drying; assays; Lespedeza cuneata; forage; tannins; solvents; extraction; chemical constituents of plants
Abstract:
... Accurate analysis of condensed tannins in forage is essential to characterize its effect on digestibility. The concentration of analyzable tannins are determined by the forage preservation method. The effect of forage preservation method on condensed tannins was studied in a randomized-block field experiment with high-tannin (HT) and low-tannin (LT) sericea lespedeza, Lespedeza cuneata (Dumont) G. ...
DOI:
10.2135/cropsci1990.0011183X003000010047x

29. Condensed Tannin Relationships with In Vitro Forage Quality Analyses for Birdsfoot Trefoil

Author:
Perry R. Miller; Nancy J. Ehlke
Source:
Crop science 1994 v.34 no.4 pp. 1074-1079
ISSN:
0011-183X
Subject:
digestible protein; in vitro digestibility; tannins; crude protein; genotype; chemical constituents of plants; Lotus corniculatus; Minnesota
Abstract:
... Condensed tannins (CT) in birdsfoot trefoil (Lotus corniculatus L.) are associated with reduced degradation of protein and dry matter digestibility by ruminant animals. The objectives of this study were to isolate the effect of CT concentration on in vitro degradable crude protein (IVDCP) and in vitro digestible dry matter (IVDDM) in birdsfoot trefoil herbage containing diverse CT concentrations, ...
DOI:
10.2135/cropsci1994.0011183X003400040044x

30. Condensed tannin accumulation and composition in skin of Shiraz and Cabernet Sauvignon grapes during berry development

Author:
Hanlin, Rachel L.; Downey, Mark O.
Source:
American journal of enology and viticulture 2009 v.60 no.1 pp. 13-23
ISSN:
0002-9254
Subject:
proanthocyanidins; pericarp; quantitative analysis; chemical constituents of plants; wine grapes; developmental stages; genetic variation; tannins; seasonal variation; ripening; Vitis vinifera; wine cultivars; Australia

31. Condensed tannins, attine ants, and the performance of a symbiotic fungus

Author:
Nichols-Orians, C.
Source:
Journal of chemical ecology 1991 v.17 no.6 pp. 1177-1195
ISSN:
0098-0331
Subject:
catechol oxidase; symbionts; Inga oerstediana; tannins; feeding behavior; chemical constituents of plants; Atta cephalotes; leaves; fungi
Abstract:
... Field experiments indicate that the foliar concentration of condensed tannin affects the selection of leaf material of Inga oerstediana Benth., a tropical legume tree, by leaf cutter ants. In one study an increase in tannin concentration was correlated with a decrease in the acceptability of leaves to leaf-cutter ants, except at low tannin concentrations. Protein concentration was not correlated w ...
DOI:
10.1007/BF01402942
PubMed:
24259176

32. Contents of tannins and their histological localization in young and adult parts of Struthanthus vulgaris Mart. (Loranthaceae)

Author:
Salatino, A.; Kraus, J.E.; Salatino, M.L.F.
Source:
Annals of botany 1993 v.72 no.5 pp. 409-414
ISSN:
0305-7364
Subject:
stems; wood; seedlings; spatial distribution; histology; secondary metabolites; tannins; Loranthaceae; chemical constituents of plants; plant organs; plant morphology; roots; parasitic plants; leaves; Brazil
Abstract:
... Adult organs of Struthanthus vulgaris, a very common mistletoe in south east Brazil, present relatively high amounts of condensed tannins. In adult organs, tannins are found as large intracellular deposits. In leaves, tannic deposits are more common in palisade and midrib parenchyma. The cortex of the stem and root contains many cells with tannic deposits. The wood of both organs contains intracel ...
DOI:
10.1006/anbo.1993.1126

33. Contraceptive and estrogenic effect of a methanol extract of Cassia nigricans leaves in experimental animals

Author:
Nwafor, P.A.; Okwuasaba, F.K.
Source:
Pharmaceutical biology 2001 v.39 no.6 pp. 424-428
ISSN:
1388-0209
Subject:
Cassia; plant extracts; roots; leaves; alkaloids; saponins; tannins; sugars; cardiac glycosides; traditional medicine; medicinal plants; medicinal properties; contraceptives; estrogenic properties; rats; mice; dosage; dose response; fetal development; progesterone; embryo implantation; conception; pups; birth weight; chemical constituents of plants; animal experimentation; Nigeria
DOI:
10.1076/phbi.39.6.424.5886

34. Cornusiin a, a dimeric ellagitannin forming four tautomers, and accompanying new tannins in Cornus officinalis

Author:
Okuda, T.; Hatano, T.; Ogawa, N. Kira, R.; Matsuda, M.
Source:
Chemical & pharmaceutical bulletin 1984 v.32 no.11 pp. 4662-4665
ISSN:
0009-2363
Subject:
Cornus; chemical constituents of plants; tannins; physicochemical properties
DOI:
10.1248/cpb.32.4662

35. Defense chemistry of cyanogenic Eucalyptus cladocalyx seedlings is affected by water supply

Author:
Gleadow, R.M.; Woodrow, I.E.
Source:
Tree physiology 2002 v.22 no.13 pp. 939-945
ISSN:
0829-318X
Subject:
seedlings; cyanogenesis; roots; stems; water stress; leaves; shikimic acid; defense mechanisms; cyanogenic glycosides; quantitative analysis; herbivores; tannins; water content; biosynthesis; nitrogen; stress response; biochemical pathways; phenylalanine; chemical constituents of plants
Abstract:
... Cyanogenesis is a widespread and effective defense mechanism in plants. Published evidence suggests that cyanogenic capacity (i.e., cyanogenic glycoside concentration) is enhanced in response to water stress, although potentially confounding variables preclude a definite conclusion. We used highly cyanogenic Eucalyptus cladocalyx var. nana F. Muell. seedlings grown with varying amounts of water an ...
DOI:
10.1093/treephys/22.13.939
PubMed:
12204850

36. Determination of oenothein B as the active 5-alpha-reductase-inhibiting principle of the folk medicine Epilobium parviflorum

Author:
Lesuisse, D.; Berjonneau, J.; Ciot, C.; Devaux, P.; Doucet, B.; Gourvest, J.F.; Khemis, B.; Lang, C.; Legrand, R.; Lowinski, M.
Source:
Journal of natural products 1996 v.59 no.5 pp. 490-492
ISSN:
0163-3864
Subject:
Epilobium; medicinal plants; bioassays; oxidoreductases; enzyme inhibitors; tannins; spectral analysis; chemical constituents of plants; molecular conformation; hyperplasia
DOI:
10.1021/np960231c
PubMed:
8778238

37. Developmental differences in the location of polyphenols and condensed tannins in leaves and stems of sericea lespedeza, Lespedeza cuneata

Author:
Mosjidis, C.O.; Peterson, C.M.; Mosjidis, J.A.
Source:
Annals of botany 1990 v.65 no.4 pp. 355-360
ISSN:
0305-7364
Subject:
Lespedeza cuneata; developmental stages; leaves; mesophyll; stems; chemical composition; histochemistry; tannins; polyphenols; genotype; chemical constituents of plants
Abstract:
... This histologkal study was performed to determine whether differences in location and concentration of polyphenols and condensed tannins could be observed in leaves and stems of sericea lespedeza genotypes of high (HP) or low (LP) phenolic content. Polyphenols and condensed tannins were especially evident in the vacuoles of paraveinal mesophyll cells from leaves of both genotypes. However, higher ...
DOI:
10.1093/oxfordjournals.aob.a088056

38. Developmental instability and fitness in Periploca laevigata experiencing grazing disturbance

Author:
Alados, C.L.; Giner, M.L.; Dehesa, L.; Escos, J.; Barroso, F.G.; Emlen, J.M.; Freeman, D.C.
Source:
International journal of plant sciences 2002 v.163 no.6 pp. 969-978
ISSN:
1058-5893
Subject:
flowering; chemical constituents of plants; grazing; internodes; flowers; tannins; seasonal variation; palatability; Periploca (Apocynaceae); disturbed soils; leaves; shoots; Spain
DOI:
10.1086/342630

39. Difference in leaf quality between canopy trees and seedlings affects migration and survival of spring-feeding moth larvae

Author:
Murakami, M.; Wada, N.
Source:
Canadian journal of forest research = 1997 v.27 no.9 pp. 1351-1356
ISSN:
0045-5067
Subject:
Lepidoptera; larvae; leaves; seasonal variation; seedlings; canopy; tannins; nitrogen content; water content; pupae; nutrient content; chemical constituents of plants; Japan
Abstract:
... The migratory behavior of moth larvae feeding on oak (Quercus crispula) leaves in spring was investigated with reference to seasonal changes in the quality of the canopy and current-year seedling leaves. After budbreak, the leaf toughness and tannin content of canopy trees increased, while the nitrogen and water contents decreased. These changes in leaf quality appeared to force the moth larvae to ...
DOI:
10.1139/x97-097

40. Differential inhibition of Sphaeropsis sapinea morphotypes by a phenolic compound and several monoterpenes of red pine

Author:
Blodgett, J.T.; Stanosz, G.R.
Source:
Phytopathology 1997 v.87 no.6 pp. 606-609
ISSN:
0031-949X
Subject:
morphs; dose response; chemical constituents of plants; beta-pinene; pathotypes; antifungal properties; alpha-pinene; pathogenicity; tannins; Pinus banksiana; plant pathogenic fungi; disease resistance; Sphaeropsis; spore germination; Pinus resinosa; mycelium; Minnesota; Wisconsin
Abstract:
... The in vitro effects of a red pine phenolic compound (pinosylvin), a phenolic compound common to other species (tannic acid), and the major red pine monoterpenes (alpha-pinene, beta-pinene, and delta-3-carene) on spore germination and mycelial growth of Sphaeropsis sapinea were examined. Two A and two B morphotype isolates were used. At 88 microgram/mm2, pinosylvin inhibited spore germination of a ...
DOI:
10.1094/PHYTO.1997.87.6.606
PubMed:
18945077

41. Dimeric and trimeric hydrolyzable tannins from Quercus coccifera and Quercus suber

Author:
Ito, H.; Yamaguchi, K.; Kim, T.H.; Khennouf, S.; Gharzouli, K.; Yoshida, T.
Source:
Journal of natural products 2002 v.65 no.3 pp. 339-345
ISSN:
0163-3864
Subject:
Quercus coccifera; Quercus suber; leaves; tannins; spectral analysis; chemical structure; hydrolysis; chemical constituents of plants; Algeria
DOI:
10.1021/np010465i
PubMed:
11908975

42. Effect of Tannins on the In Vitro Growth of Escherichia coli O157:H7 and In Vivo Growth of Generic Escherichia coli Excreted from Steers

Author:
Min, B.R.; Pinchak, W.E.; Anderson, R.C.; Callaway, T.R.
Source:
Journal of food protection 2007 v.70 no.3 pp. 543-550
ISSN:
0362-028X
Subject:
in vivo studies; bacterial contamination; in vitro culture; gastrointestinal system; Escherichia coli O157; essential oils; food contamination; plant extracts; natural additives; beef cattle; feces; steers; tannins; food pathogens; chestnuts; Mimosa; chemical constituents of plants; antibacterial properties
Abstract:
... The effect of commercially available chestnut and mimosa tannins in vitro (experiment 1) or in vivo (experiment 2) on the growth or recovery of Escherichia coli O157:H7 or generic fecal E. coli was evaluated. In experiment 1, the mean growth rate of E. coli O157:H7, determined via the measurement of optical density at 600 nm during anaerobic culture in tryptic soy broth at 37 degrees C, was reduce ...
Handle:
10113/21285
PubMed:
17388040

43. Effect of a daily supplementation of polyethylene glycol on intake and digestion of tannin-containing leaves (Quercus calliprinos, Pistacia lentiscus, and Ceratonia siliqua) by goats

Author:
Silanikove, N.; Gilboa, N.; Perevolotsky, A.; Nitsan, Z.
Source:
Journal of agricultural and food chemistry 1996 v.44 no.1 pp. 199-205
ISSN:
0021-8561
Subject:
goats; voluntary intake; leaves; digestibility; Quercus coccifera; Pistacia lentiscus; Ceratonia siliqua; tannins; polyethylene glycol; chemical constituents of plants
Abstract:
... Intake and digestion of leaves of Quercus calliprinos, Pistacia lentiscus, and Ceratonia siliqua, with and without supplementation of various amounts of polyethylene glycol (PEG), were examined. The tannin contents in these species exerted a substantial negative effect on feed intake and digestion. The effects were species specific and related to tannin content. Once-daily Supplementation with PEG ...
DOI:
10.1021/jf950189b

44. Effect of cultivar and growing location on the trypsin inhibitors, tannins, and lectins of common beans (Phaseolus vulgaris L.) grown in the semiarid highlands of Mexico

Author:
De Mejia, E.G.; Guzman-Maldonado, S.H.; Acosta-Gallegos, J.A.; Reynoso-Camacho, R.; Ramirez-Rodriguez, E.; Pons-Hernandez, J.L.; Gonzalez-Chavira, M.M.; Castellanos, J.Z.; Kelly, J.D.
Source:
Journal of agricultural and food chemistry 2003 v.51 no.20 pp. 5962-5966
ISSN:
0021-8561
Subject:
Phaseolus vulgaris; beans; chemical constituents of plants; food composition; trypsin inhibitors; tannins; lectins; functional foods; nutritive value; cultivars; races; geographical variation; genotype-environment interaction; semiarid zones; highlands
Abstract:
... Trypsin inhibitors (TI), tannins, and lectins appear to have a role in preventing chronic diseases in humans. The genetic variability of these traits in common bean needs to be ascertained in order to increase levels through breeding. The variability of TI, tannin, and lectins was determined in five bean cultivars grown at five locations in Mexico. TI and tannins contents in colored beans that bel ...
DOI:
10.1021/jf030046m

45. Effect of daily supplementation of polyethylene glycol on intake and digestion of tannin-containing leaves (Ceratonia siliqua) by sheep

Author:
Silanikove, N.; Nitsan, Z.; Perevolotsky, A.
Source:
Journal of agricultural and food chemistry 1994 v.42 no.12 pp. 2844-2847
ISSN:
0021-8561
Subject:
nutrition; sheep; leaves; tannins; nutritive value; chemical constituents of plants
Abstract:
... The nutritional value of carob leaves (CL) and the effectiveness of increasing amounts (12.5, 25, 32, and 50 g/day) of polyethylene glycol 4000 (PEG) supplemented once daily in overcoming the negative effect of tannins in carob leaves, were examined in four Merino ewes. Ewes fed solely CL were not able to sustain their body weights, and excreted in feces more protein than was consumed; the digesti ...
DOI:
10.1021/jf00048a035

46. Effect of drying methods on the phenolic constituents of meadowsweet (Filipendula ulmaria) and willow (Salix alba)

Author:
Harbourne, Niamh; Marete, Eunice; Jacquier, Jean Christophe; O'Riordan, Dolores
Source:
Lebensmittel-Wissenschaft + Technologie 2009 v.42 no.9 pp. 1468-1473
ISSN:
0023-6438
Subject:
herbs; anti-inflammatory activity; ovens; freeze drying; food nutrient losses; chemical constituents of plants; trays; drying quality; air drying; Salix alba; color; tannins; Filipendula ulmaria; health foods; beverages
DOI:
10.1016/j.lwt.2009.05.005

47. Effect of irrigation on changes in the anthocyanin composition of the skin of cv Tempranillo (Vitis vinifera L) grape berries during ripening

Author:
Esteban, M.A.; Villanueva, M.J.; Lissarrague, J.R.
Source:
Journal of the science of food and agriculture 2001 v.81 no.4 pp. 409-420
ISSN:
0022-5142
Subject:
Vitis vinifera; ripening; anthocyanins; polyphenols; tannins; irrigation; color; crop yield; weight; chemical constituents of plants
Abstract:
... The impact of water availability on the yield and on the chemical composition in the skins of cv Tempranillo grapes at different phases of berry growth was studied over a 2 year period by determining changes in berry weight, Brix, titratable acidity, pH and different phenolic compounds. The evolution of phenolic compounds during berry growth followed similar patterns to those reported by previous ...
DOI:
10.1002/1097-0010(200103)81:4<409::AID-JSFA830>3.0.CO;2-H

48. Effect of nitrogen availability on the growth and phytochemistry of hybrid poplar and the efficacy of the Bacillus thuringiensis cry1A(a) d-endotoxin on gypsy moth

Author:
Kleiner, K.W.; Raffa, K.F.; Ellis, D.D.; McCown, B.H.
Source:
Canadian journal of forest research = 1998 v.28 no.7 pp. 1055-1067
ISSN:
0045-5067
Subject:
Lymantria dispar; quantitative analysis; chemical constituents of plants; nitrogen; nutrient availability; biological development; Bacillus thuringiensis; photosynthesis; tannins; nutrient solutions; biomass production; larvae; Populus; endotoxins; application rate; mortality; leaves
Abstract:
... We tested the hypothesis that soil nitrogen availability could alter the efficacy of the cry1A(a) d-endotoxin of Bacillus thuringiensis (B.t.) through variation in phytochemistry. Extracts of the cry1A(a) d-endotoxin were administered to second-instar gypsy moth (Lymantria dispar) larvae on foliage from hybrid Populus plants (clone NC5339) grown in sand culture for 10 weeks with 10, 25, 50, and 12 ...
DOI:
10.1139/x98-082

49. Effect of pH, temperature, and time on inactivation of tannins and possible implications in detannification studies

Author:
Makkar, H.P.S.; Becker, K.
Source:
Journal of agricultural and food chemistry 1996 v.44 no.5 pp. 1291-1295
ISSN:
0021-8561
Subject:
Mangifera indica; seeds; extraction; phenols; inactivation; chemical precipitation; alkalinity; Chrysobalanaceae; Tamarindus indica; chemical analysis; tannins; pH; oxidants; Quercus leucotrichophora; storage; chemical constituents of plants; temperature; Vachellia nilotica; leaves
Abstract:
... The tannins from quebracho and leaves of Acioa barteri after purification, and commercially available tannic acid, were stored in buffers of different pH values (6-11) at 0, 20, and 37 degrees C. The recovery of tannins was monitored at different time intervals (up to 18 h) using Folin-Ciocalteu and butanol-HCl-Fe3+ reagents. The recovery of tannins decreased with increase in time of storage, incr ...
DOI:
10.1021/jf9506287

50. Effects of elevated CO2 and drought on chemical composition and decomposition of spring wheat (Triticum aestivum)

Author:
Liao, J.X.; Hou, Z.D.; Wang, G.X.
Source:
Functional plant biology 2002 v.29 no.7 pp. 891-897
ISSN:
1445-4408
Subject:
Triticum aestivum; degradation; carbon dioxide; drought; water stress; carbon; lignin; tannins; chemical constituents of plants; plant litter