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You searched for: Journal name South African journal of botany Remove constraint Journal name: South African journal of botany Publication year rev 7978-2022 Remove constraint Publication year rev: 7978-2022 Source 2022 v.146 Remove constraint Source: 2022 v.146
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1. Amaranthus hybridus Linn. leaf extract ameliorates oxidative stress and hepatic damage abnormalities induced by thioacetamide in rats

Author:
Emmanuel U. Ejiofor; Sunday O. Oyedemi; Samuel O. Onoja; Ndukaku Y. Omeh
Source:
South African journal of botany 2022 v.146 pp. 213-221
ISSN:
0254-6299
Subject:
Amaranthus hybridus; antioxidant activity; antioxidants; ascorbic acid; benzene; biomarkers; catalase; disease control; dose response; fibrosis; gallic acid; histopathology; leaf extracts; liver; liver diseases; oxidative stress; protein content; quercetin; rats; superoxide dismutase
Abstract:
... A hydroalcoholic leaf extract of Amaranthus hybridus (HLEAH) at doses of 100, 200, and 400 mg/kg was investigated for its antioxidant and hepatoprotective effects on thioacetamide (TAA)- induced hepatic damage in rats. Liver damage was induced by administering TAA (300 mg/L) in drinking water for 10 weeks. The total phenolic, flavonoid, and ascorbic acid contents were 14.12±0.01 mg gallic acid equ ...
DOI:
10.1016/j.sajb.2021.10.029

2. An ethnobotanical survey of the medicinal plants used in the treatment of cancer in some parts of Matebeleland, Zimbabwe

Author:
Sigcono Mlilo; Samson Sibanda
Source:
South African journal of botany 2022 v.146 pp. 401-408
ISSN:
0254-6299
Subject:
Datura stramonium; Lamiaceae; bark; common names; ethnobotany; surveys; Zimbabwe
Abstract:
... The use of medicinal plants for the treatment of diseases is a common practice in many parts of the world including Zimbabwe. The study provides ethnobotanical data on the use of medicinal plants in the treatment of cancer in some parts of Matebeleland, Zimbabwe. The study aimed to document the use of these plants to preserve knowledge for future generations. The study was conducted in five distri ...
DOI:
10.1016/j.sajb.2021.11.022

3. Antioxidant activity of extracts obtained by high-pressure extraction procedures from Asparagus stipularis Forssk

Author:
Khaoula Adouni; Hamdi Bendif; Olfa Zouaoui; Paulius Kraujalis; Guido Flamini; Petras Rimantas Venskutonis; Lotfi Achour
Source:
South African journal of botany 2022 v.146 pp. 789-793
ISSN:
0254-6299
Subject:
antioxidant activity; carbon dioxide; liquids; phytochemicals; roots
Abstract:
... Roots and rhizomes of Asparagus stipularis Forssk were separately extracted using supercritical CO₂ extraction (SCCO2) and pressurized liquid extraction (PLE) and their Total Phenols Content and antioxidant potential was investigated. The results indicated that the roots and rhizomes are a potential source of natural antioxidants. The PLE method gave better extraction yields than SFE and its fract ...
DOI:
10.1016/j.sajb.2021.12.027

4. Application of DNA barcoding tool for authentication of traditionally important medicinal Dendrobium (Orchidaceae) species from Sikkim Himalaya

Author:
Pradosh Mahadani; Syamali Chakrabarti; Ram Pal; Sudeep Kumar Jain; Amitha Mithra Sevanthi
Source:
South African journal of botany 2022 v.146 pp. 905-911
ISSN:
0254-6299
Subject:
DNA; DNA barcoding; Dendrobium; indigenous knowledge; ornamental value; phylogeny; species identification; traditional medicine; Himalayan region; India
Abstract:
... Dendrobium, the second largest genus of the Orchidaceae family, is equally important for ornamental value and traditional medicine. Sikkim Himalaya region is rich in traditional knowledge of medicinal plants and their diversity. However, these regions were least explored through modern molecular tools. Reference databases association with DNA Barcoding technique is a new tool for species authentic ...
DOI:
10.1016/j.sajb.2022.04.013

5. Chemical profiles of essential oil from Javanese turmeric (Curcuma xanthorrhiza Roxb.), evaluation of its antibacterial and antibiofilm activities against selected clinical isolates

Author:
Abdi Wira Septama; Aprilia Nur Tasfiyati; Rhesi Kristiana; Amit Jaisi
Source:
South African journal of botany 2022 v.146 pp. 728-734
ISSN:
0254-6299
Subject:
Bacillus subtilis; Curcuma zanthorrhiza; Escherichia coli; Klebsiella pneumoniae; ampicillin; antibacterial properties; antibiotic resistance; bacterial infections; biofilm; camphor; chromatography; essential oils; lipid content; minimum inhibitory concentration; pathogens; public health; synergism; traditional medicine; turmeric; viability
Abstract:
... Antibacterial resistance has become a major global public health issue. Pathogens such as Staphylococcus aureus, Bacillus subtillis, Escherichia coli, and Klebsiella pneumoniae associated with most community infections are linked with antibiotic resistance. Curcuma xanthorrhiza is a traditional medicine used to prevent and cure bacterial infection. This study evaluated the antibacterial and antibi ...
DOI:
10.1016/j.sajb.2021.12.017

6. Co-administration effects and toxicity profile of ethyl acetate fraction of Stemonocoleus micranthus Harms and Artesunate in murine malaria model

Author:
Ifeoma C. Orabueze; Hafsah O. Olufunmi; Duncan A. Ota; George Asare
Source:
South African journal of botany 2022 v.146 pp. 715-722
ISSN:
0254-6299
Subject:
Plasmodium berghei; Stemonocoleus; body temperature; botany; chloroquine; dose response; ethyl acetate; hematocrit; histopathology; leaf extracts; longevity; malaria; mice; models; multiple drug resistance; parasites; toxicity; weight loss
Abstract:
... The increasing reports of multi-drug resistant malaria has necessitated the continuous search for new drug candidates, enhancing the efficacy and life span of existing agents. The study aims at evaluating antimalarial potentials and safety use of ethyl acetate fraction of Stemonocoleus micranthus Harms (SM-EF) in co-administration with antimalarial artesunate. Ethyl acetate fraction from 80% metha ...
DOI:
10.1016/j.sajb.2021.12.005

7. Ecophysiological responses of Terminalia sericea to fire history in a semi-arid woodland savanna, central Namibia

Author:
Quanita Farrah Daniels; Heather L. Throop
Source:
South African journal of botany 2022 v.146 pp. 205-212
ISSN:
0254-6299
Subject:
Terminalia sericea; canopy; carbon dioxide fixation; ecophysiology; fire history; photosynthesis; savannas; transpiration; water use efficiency; woodlands; Namibia
Abstract:
... Woody vegetation is increasing in savanna ecosystems worldwide. Fire is frequently used as a management tool to decrease bush encroachment, but knowledge regarding the underlying leaf-level ecophysiological responses to fire history is lacking. In southern Africa, Terminalia sericea is a dominant encroaching species that resprouts readily following fires. The impact of fire on leaf-level photosynt ...
DOI:
10.1016/j.sajb.2021.10.023

8. Extracellular resveratrol producing endophytic fungus, Quambalaria cyanescens

Author:
Vineet Meshram; Neha Kapoor; Vagish Dwibedi; Anugya Srivastava; Sanjai Saxena
Source:
South African journal of botany 2022 v.146 pp. 409-416
ISSN:
0254-6299
Subject:
Quambalaria; Vitis vinifera; antineoplastic agents; antioxidant activity; botany; culture filtrates; cytotoxicity; endophytes; ethyl acetate; fungi; methicillin-resistant Staphylococcus aureus; phylogeny; resveratrol
Abstract:
... A fungal endophyte of Vitis vinifera, Quambalaria cyanescens is shown to produce high amount of resveratrol, a well-known anti-cancer agent in culture media. The ethyl acetate extract of the crude culture filtrate yielded 240 mg of which 40 mg of purified Resveratrol was recovered. The endophyte is first of its kind to be reported from Vitis vinifera, and was identified by taxonomic and molecular ...
DOI:
10.1016/j.sajb.2021.11.026

9. Fortifying nursery soil-less media with cyanobacteria for enhancing the growth of tomato

Author:
Udita Gulia; Jyoti Shukla; Sekar Nishanth; Venkatesh Kokila; Asha Bharti; Awani Kumar Singh; Yashbir Singh Shivay; Radha Prasanna
Source:
South African journal of botany 2022 v.146 pp. 564-572
ISSN:
0254-6299
Subject:
Anabaena; Calothrix; carbonate dehydratase; flowers; fruits; leaves; perlite; plant growth; soil; tomatoes; vermiculite
Abstract:
... Priming nursery media to develop robust nurseries is a major objective of horticulturists for improving yields and quality of produce, and use of cyanobacteria, with both plant growth promoting and biofertilizing properties, can be valuable for generating robust nurseries of tomato. The potential of cyanobacteria as supplements to different soilless media combinations involving perlite, cocopeat a ...
DOI:
10.1016/j.sajb.2021.11.034

10. Host plant traits define the strategies of success to the Cecidomyiidae in a restinga environment

Author:
Elaine C. Costa; Gracielle P.P. Bragança; Ígor A. Arriola; Mariana S.C. Freitas; Rosy M.S. Isaias
Source:
South African journal of botany 2022 v.146 pp. 751-759
ISSN:
0254-6299
Subject:
Cecidomyiidae; Celastraceae; Paullinia; conservation status; homogenization; host plants; leaves; lignification; lipophilicity; organogenesis; photosynthesis; proanthocyanidins; sclerenchyma; solar radiation; survival rate; trichomes; Brazil
Abstract:
... Gall structures are special microhabitats for associated inducers and may reflect peculiar environmental pressures, a premise tested in Monteverdia obtusifolia (Mart.) Biral (Celastraceae) and Paullinia weinmanniifolia Mart. (Sapindaceae). These two species host galls induced by Mayteniella distincta Maia, 2001 and Paulliniamyia ampla Maia, 2001, respectively, and are biological indicators of the ...
DOI:
10.1016/j.sajb.2021.12.015

11. Integrating chemotaxonomic-based metabolomics data with DNA barcoding for plant identification: A case study on south-east African Erythroxylaceae species

Author:
P.S.F. Alberts; J.J.M. Meyer
Source:
South African journal of botany 2022 v.146 pp. 174-186
ISSN:
0254-6299
Subject:
DNA barcoding; Erythroxylum; atropine; case studies; chemotaxonomy; cocaine; gas chromatography-mass spectrometry; metabolomics; models; nuclear magnetic resonance spectroscopy; plant identification; scopolamine; Africa
Abstract:
... Plants have been used as medicines for millennia and are major contributors to developed western pharmacopoeia. The Erythroxylum and Nectaropetalum genera belong to the Erythroxylaceae (coca) family, with select species capable of producing highly valued ‘blockbuster’ medicinal compounds including, amongst others atropine, cocaine, scopolamine, and tigloidine. Erythroxylum delagoense, E. emarginat ...
DOI:
10.1016/j.sajb.2021.10.005

12. Interactive impacts of soil salinity and jasmonic acid and humic acid on growth parameters, forage yield and photosynthesis parameters of sorghum plants

Author:
Adam Yousif Adam Ali; Muhi Eldeen Hussien Ibrahim; Guisheng Zhou; Guanglong Zhu; Aboagla Mohammed Ibrahim Elsiddig; Mohamed Suliman Eltyed Suliman; Safiya Babiker Mustafa Elradi; Ebtehal Gabralla Ibrahim Salah
Source:
South African journal of botany 2022 v.146 pp. 293-303
ISSN:
0254-6299
Subject:
biomass production; carbon dioxide; chlorophyll; flowering; foliar application; forage; forage yield; greenhouses; humic acids; jasmonic acid; leaf area; photosynthesis; plant growth; plant height; relative humidity; salinity; salt stress; salt tolerance; soil amendments; soil salinity; stomatal conductance
Abstract:
... Soil salinity, whether natural or induced, is one of the most serious environmental stresses limiting crop production in the world. In this study, the impacts of foliar application of jasmonic acid and soil amendment with humic acid on growth parameters, forage yield, chlorophyll content, and physiological characteristics of forage sorghum were studied to mitigate salinity in combination with diff ...
DOI:
10.1016/j.sajb.2021.10.027

13. Leaf-to-air vapor pressure deficit differently affects barley depending on soil water availability

Author:
A. Furtak; A. Nosalewicz
Source:
South African journal of botany 2022 v.146 pp. 497-502
ISSN:
0254-6299
Subject:
air; air temperature; climate; drought; leaf conductance; leaves; photosynthesis; plant available water; plant response; relative humidity; spring barley; stomatal conductance; vapor pressure deficit
Abstract:
... Plant response to drought may be altered by the variation in air temperature and humidity and these interactions may be more frequent and intense with expected climate changes. The study examines impact of temporal changes in air temperature and air humidity on spring barley grown in dry and wet soil. The impact of two hours long changes in air temperature and relative humidity (RH) was evaluated ...
DOI:
10.1016/j.sajb.2021.11.043

14. Light quality and natural ventilation have different effects on protocorm development and plantlet growth stages of the in vitro propagation of Epidendrum fulgens (Orchidaceae)

Author:
Yohan Fritsche; Marcos Vinícius Marques Pinheiro; Miguel Pedro Guerra
Source:
South African journal of botany 2022 v.146 pp. 864-874
ISSN:
0254-6299
Subject:
Epidendrum; acclimation; bioreactors; fluorescent lighting; light quality; micropropagation; natural ventilation; photosynthesis; plantlets; sclerenchyma; seed germination
Abstract:
... Improvements of in vitro culture protocols are essential to increase productivity in order to ensure their practical application in commercial laboratories. The aim of the present work was to evaluate the influence of light sources of different wavelengths in combination with natural ventilation of the in vitro atmosphere (NV) in all steps of the micropropagation, from the seed germination and pro ...
DOI:
10.1016/j.sajb.2022.02.019

15. Molecular characterization and study of phylogeny of some commercially important Vandaceous orchids (Orchidaceae) based on the internal transcribed spacer (ITS)

Author:
Chitta Ranjan Deb; Joyrison Kamba
Source:
South African journal of botany 2022 v.146 pp. 875-882
ISSN:
0254-6299
Subject:
Orchidaceae; barcoding; genetic distance; habitat destruction; internal transcribed spacers; phylogeny; ribosomal DNA; trade; India
Abstract:
... Habitat destruction, indiscriminate and rampant collection of Vandaceous orchids for their ornamental and medicinal values have resulted many of the important species pushed to threatened category and to struggle for their survival in nature. Illegal trade of this commercially important group of orchids continues as these orchids are similar in shape, size and difficult to identify and classify, e ...
DOI:
10.1016/j.sajb.2022.03.029

16. Orchids - discoverers and firsts

Author:
Joseph Arditti
Source:
South African journal of botany 2022 v.146 pp. 815-848
ISSN:
0254-6299
Subject:
Orchidaceae; biotechnology; people; plantlets; politics; serology; viruses
Abstract:
... When Dr. Paromik Bhattacharyya first asked me to write for this special issue of the South African Journal of Botany, I refused for several good reasons: Retired for 20 years, not having done research for 21 years, 89 1/2 years old, no longer reading as extensively as before my retirement, recovering from surgeries, trying to manage health problems, which even if not severe are vexing, and being l ...
DOI:
10.1016/j.sajb.2022.01.029

17. Pharmacological effects of Lavandula officinalis Chaix and its polyphenols: Focus on their in vivo estrogenic and anti-inflammatory properties

Author:
Meryem Slighoua; Ismail Mahdi; Fatima ez-zahra Amrati; Nabil Boucetta; Francesca Di Cristo; Smahane Boukhira; Amal El youbi el Hamsas; Mohamed Ibn Tattou; Andriy Grafov; Amina Bari; Dalila Bousta
Source:
South African journal of botany 2022 v.146 pp. 354-364
ISSN:
0254-6299
Subject:
Lavandula angustifolia subsp. angustifolia; blood serum; catechin; chemical composition; cholesterol; citrates; edema; estradiol; female fertility; females; ferulic acid; gallic acid; health services; hepatotoxicity; histopathology; human health; indomethacin; inflammation; myricetin; nephrotoxicity; polyphenols; quercetin; sedatives; traditional medicine; urea
Abstract:
... Ethnopharmacological relevancy: Medicinal and aromatic plants (MAP) are a valuable legacy for human health care and subsistence. Among these MAP, Lavandula officinalis Chaix is traditionally renowned for its ability to treat digestive problems, inflammation, coughing, and to elicit sedative and diuretic effects. Aim of the study: This investigation aimed to assess the effects of Lavandula officina ...
DOI:
10.1016/j.sajb.2021.11.014

18. Phenolic profile and in vitro anti-diabetic activity of acorn from four African Quercus species (Q. suber, Q. canariensis, Q. coccifera and Q. ilex)

Author:
Faten Mezni; Boutheina Stiti; Sondes Fkiri; Faten Ayari; Lassaad Ben Slimane; Riadh Ksouri; Abdelhamid Khaldi
Source:
South African journal of botany 2022 v.146 pp. 771-775
ISSN:
0254-6299
Subject:
acorns; agar; alpha-amylase; chlorogenic acid; coumarin; glycemic effect; metabolism; polyphenols
Abstract:
... In this investigation we studied the phenolic profile of acorn extracts from four Quercus species. We evaluated whether the phenolic compounds could inhibit the metabolism of carbohydrates. Four different Quercus species were studied; Q. suber, Q. canariensis, Q. coccifera and Q. ilex. The total phenolic content was determined using Folin-Ciocalteu's reagent and its identification was conducted us ...
DOI:
10.1016/j.sajb.2021.12.023

19. Phenolic profile, antioxidant and enzyme inhibitory properties of phenolic-rich fractions from the aerial parts of Mentha pulegium L.

Author:
Fayza Abbou; Rachid Azzi; Khaoula Ouffai; Imad Abdelhamid El Haci; Nabila Belyagoubi-Benhammou; Chawki Bensouici; Houari Benamar
Source:
South African journal of botany 2022 v.146 pp. 196-204
ISSN:
0254-6299
Subject:
2,2-diphenyl-1-picrylhydrazyl; Alzheimer disease; Mentha pulegium; acarbose; acetylcholinesterase; alpha-amylase; alpha-glucosidase; antioxidant activity; antioxidants; cholinesterase; diabetes; enzyme inhibitors; ethyl acetate; ferulic acid; gallic acid; naringenin; oxidative stress; p-coumaric acid; quercetin
Abstract:
... This study investigated into the phenolic profile and biological properties of Mentha pulegium L. based on the antioxidant and enzyme inhibitory activities. Total phenolic and flavonoid contents were spectrophotometrically quantified. The phenolic profile was analyzed by RP-HPLC-PDA. Galvinoxyl radical (GOR), 2,2′-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), 1,1-diphenyl-2-picrylhydraz ...
DOI:
10.1016/j.sajb.2021.10.024

20. Physiological and biochemical traits of drought tolerance in Brassica juncea (L.) Czern & Coss

Author:
Rhythm; Pushp Sharma; Virender Sardana
Source:
South African journal of botany 2022 v.146 pp. 509-520
ISSN:
0254-6299
Subject:
Brassica juncea; botany; carotenoids; chlorophyll; drought; drought tolerance; food security; irrigation; lipid content; malondialdehyde; oils; oilseeds; photosynthesis; population growth; proline; risk; seed yield; sugars; water content; water shortages; water stress
Abstract:
... Global warming is elevating the risk of climate change which is increasing water scarcity, along with the population explosion and ever-expanding demands for food security resulting in the need for screening of drought tolerant genotypes which can be suitably grown both under rainfed and irrigated conditions. Brassica juncea (L.) Czern & Coss (Indian mustard) is one of the most important oilseed c ...
DOI:
10.1016/j.sajb.2021.11.019