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1. Accumulation of nickel by marine macroalgae from the Saudi coast of the Arabian Gulf

Author:
Al-Homaidan, A.A.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 148-151
ISSN:
1459-0255
Subject:
nickel; heavy metals; macroalgae; bioaccumulation; seawater; Chlorophycota; Phaeophycophyta; Rhodophycota; coasts; water pollution; industrial effluents; Persian Gulf; Saudi Arabia
Abstract:
... Nickel contamination may have an adverse impact on the fragile coastal and marine ecosystems of the Arabian Gulf. Oil pollution is a major source of this heavy metal. The nickel concentrations were measured in seawater and in 12 species of green, brown and red algae which were collected from Dammam area on the Saudi coast of the Arabian Gulf. The algal samples were cleaned, air dried and digested ...

2. Alternatives evaluation in EIA by spatial multi-criteria evaluation technique

Author:
Roudgarmi, P.; Khorasani, N.; Monavari, S.M.; Nouri, J.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 199-205
ISSN:
1459-0255
Subject:
environmental impact; environmental assessment; statistical analysis; spatial data; geographic information systems; decision making; land use; computer analysis; computer software
Abstract:
... Alternatives evaluation methhnique was useodologies are applied to comparing plan or project alternatives and selecting optimal alternative in environmental impact assessment (EIA). In this research, spatial multi criteria evaluation (SMCE) tecd for alternatives evaluation. The technique was used in geographical information system (GIS) and it enables GIS in decision making and alternatives evalua ...

3. An investigation of factors that influence the technical efficiency of soybean production in the Guinea savannas of Nigeria

Author:
Amaza, P.S.; Ogundari, K.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 92-96
ISSN:
1459-0255
Subject:
Glycine max; soybeans; crop production; savannas; sociodemographic characteristics; production technology; stochastic processes; statistical models; market access; equations; yields; Nigeria
Abstract:
... The objective of this study was to examine the determinants of technical efficiency (TE) of soybean production in the Guinea savannas. A stochastic frontier production function, using maximum likelihood estimation (MLE) technique was applied in the analysis of data collected in 2006 from a sample of 182 soybean farmers in the guinea savannas of Borno State, Nigeria. The MLE results revealed that f ...

4. Antimicrobial activities of Ipomoea batatas (L.) leaf

Author:
Islam, S.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 14-17
ISSN:
1459-0255
Subject:
Ipomoea batatas; sweet potatoes; leaves; antibacterial properties; Escherichia coli; Bacillus cereus; Staphylococcus aureus; cultivars; temperature; shade; food pathogens; verotoxins; chemical constituents of plants; Bifidobacterium; Lactobacillus
Abstract:
... The antimicrobial activity of artificially grown sweetpotato [Ipomoea batatas (L.) Lam.] leaves was investigated against both Gram positive and Gram negative bacteria: Escherichia coli O157:H7, Bacillus cereus and Staphylococcus aureus. Three different cultivars, 'Simon 1', 'Kyushu 117' and 'Elegant Summer', were used. The sweetpotato leaves were grown under different temperatures (20, 25 and 30°C ...

5. Assessment of variability for salt tolerance at seedling stage in Gossypium hirsutum L

Author:
Hanif, M.; Noor, E.; Murtaza, N.; Qayyum, A.; Malik, W.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 134-138
ISSN:
1459-0255
Subject:
Gossypium hirsutum; cotton; salt tolerance; genetic variation; cultivars; provenance; salinity; sodium chloride; seedlings; seedling growth; genotype; heritability; plant response; phenotypic variation; roots; shoots; weight
Abstract:
... The availability of genetically based variation is essential for bringing rapid improvement in salinity tolerance of a crop through rapid selection and breeding. To get such information in Gossypium hirsutum L., a sample of eleven cultivars of diverse origin was assessed at seedling stage using three salinity levels of NaCl solutions including control. Variation was found in seedling response to i ...

6. Chemical and anti-bacterial characterization of aqueous extracts of oregano, marjoram, sage and licorice and their application in milk and labneh

Author:
Al-Turki, A.I.; El-Ziney, M.G.; Abdel-Salam, A.M.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 39-44
ISSN:
1459-0255
Subject:
plant extracts; antibacterial properties; oregano; marjoram; sage; licorice; Origanum vulgare; Origanum majorana; Salvia officinalis; Glycyrrhiza glabra; Escherichia coli; Bacillus subtilis; food pathogens; yogurt; milk; herbs; sensory evaluation; chemical composition; herbal medicines
Abstract:
... The antibacterial effect of aqueous extracts at a concentration of 1% (v/v) and 5% (w/w) of oregano, marjoram, sage and licorice herbs, widely used as soft drinks and food flavors, were evaluated against E. coli and B. subtilis under in vitro conditions in tryptone soya yeast extract broth at 35°C and in milk and labneh respectively. All tested herbal aqueous extracts demonstrated an inhibitory ef ...

7. Chemical composition and antimicrobial activity of essential oils from Tunisian Mentha pulegium L

Author:
Marzouk, B.; Ben Hadj Fredj, M.; Chraief, I.; Mastouri, M.; Boukef, K.; Marzouk, Z.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 78-82
ISSN:
1459-0255
Subject:
Mentha pulegium; essential oils; chemical composition; antibacterial properties; leaves; plant extracts; monoterpenoids; Aeromonas hydrophila; Vibrio cholerae non-O1; Enterococcus faecalis
Abstract:
... The aim of this study was to describe the chemical composition of Tunisian Mentha pulegium L. essential oils from Monastir and to test their antibacterial activity. The essential oils, obtained from fresh and dried aerial parts by hydrodistillation, were analysed by gas chromatography and mass spectrometry. The leaf extracts were used to test the antimicrobial activity against nine hospital bacter ...

8. Contributions of fadama farming to household food security amongst youth in rural communities of Lagos State, Nigeria

Author:
Oladoja, M.A.; Adisa, B.O.; Adeokun, O.A.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 139-144
ISSN:
1459-0255
Subject:
irrigated farming; development projects; food security; households; rural youth; participation; sociodemographic characteristics; attitudes and opinions; surveys; food production; food availability; Nigeria
Abstract:
... This study examined the contributions of fadama farming to household food security among youth in rural communities of Lagos State, Nigeria. A total of 120 rural youths were selected for interview, using a systematic random sampling technique based on the population size of youth in each of the randomly selected communities. Data collected were analysed using frequency counts and percentages while ...

9. Determinants of profitability in rain-fed paddy rice production in the Ikenne Agricultural Zone, Ogun State, Nigeria

Author:
Olubanjo, O.O.; Oyebanjo, O.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 97-101
ISSN:
1459-0255
Subject:
Oryza sativa; rough rice; crop production; profitability; yields; elasticities; fertilizers; application rate; farmers; sociodemographic characteristics; equations; estimation; costs and returns; economic analysis; Nigeria
Abstract:
... The effect of farm inputs use on the profitability of rain-fed paddy rice production in the Ikenne Agricultural Zone, Ogun State, Nigeria, was analysed. The Cobb-Douglas type unit-output-price (UOP) profit function was fitted to the study data using the Zellner's seemingly unrelated regression (SUR) technique. The results revealed that the elasticity of the profit function increased with the quant ...

10. Determining the best sprouting conditions for germination of radish (Raphanus sativus) seeds consumed as vegetables

Author:
Gul, E.O.; Levent, A.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 123-127
ISSN:
1459-0255
Subject:
Raphanus sativus; sprouting; seed germination; sprouts (food); radishes; pot culture; ascorbic acid; nitrates; chemical composition; light intensity; containers; fruit quality; perlite; seedling growth
Abstract:
... This study has been done in the laboratory of Department of Horticulture, Trakya University, Tekirdag, with the aim of determining the most suitable germination conditions for the radish sprouts which are consumed as vegetables by many people. The chestnut kind of white radish (Raphanus sativus) seeds were germinated in a pot experiment conducted according to a factorial design in randomized block ...

11. Effect of CIPC (isopropyl-N (3-chlorophenyl) carbamate) on storage and processing quality of potato

Author:
Mahajan, B.V.C.; Dhatt, A.S.; Sandhu, K.S.; Garg, A.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 34-38
ISSN:
1459-0255
Subject:
Solanum tuberosum; potatoes; storage quality; chlorpropham; sprouting; inhibitors; reducing sugars; cold storage; food processing; food quality; potato chips; cultivars; India
Abstract:
... The study was conducted to assess the effect of CIPC (isopropyl-N (3-chlorophenyl) carbamate) on storage and processing quality of potato during storage. Healthy, well cured and disease free tubers of cultivars viz. Kufri Chandramukhi, Kufri Jyoti, Kufri Chipsona-1, Kufri Sutlej and Kufri Badshah were packed in plastic netted bags and stored at 10±1°C and 90-95% RH. The potatoes were fogged twice ...

12. Effect of organic farming on yield and quality of potato tubers in Ardabil

Author:
Barmaki, M.; Rahimzadeh Khoei, F.; Zehtab Salmasi, S.; Moghaddam, M.; Nouri Ganbalani, G.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 106-109
ISSN:
1459-0255
Subject:
Solanum tuberosum; potatoes; tubers; organic production; dairy manure; fertilizer application; Leptinotarsa decemlineata; botanical pesticides; insecticides; dry matter accumulation; weight; nitrates; crop yield; Iran
Abstract:
... In order to study the possibility of replacing current potato cropping system in Ardabil province of Iran, which seriously depends on chemical inputs, with organic farming methods, an experiment was conducted in the years 2004 and 2005. The experimental design in each year was split plot based on randomized complete blocks with three replications. Main plots were three fertilizer types as 40 Mg ha ...

13. Effect of small wheel tractor and crawler tractor on soil physical properties

Author:
Mari, G.R.; Ji, C.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 190-194
ISSN:
1459-0255
Subject:
agricultural soils; soil compaction; resistance to penetration; soil penetration resistance; bulk density; soil water content; trafficability; tractors; China
Abstract:
... The use of the two-wheel small tractors and crawlers' tractors developed rapidly in China. In this study it was investigated the impact of these relatively small tractors and crawlers on compaction of a clay loam soil in south east China. Penetrometer resistance (Rp) and bulk density (ρb) due to one, two and four passes were studied in three transects, using soil penetration resistance (Rp) and bu ...

14. Effect of vermicompost on the growth and yield of spinach (Spinacia oleracea L.)

Author:
Peyvast, G.; Olfati, J.A.; Madeni, S.; Forghani, A.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 110-113
ISSN:
1459-0255
Subject:
Spinacia oleracea; spinach; vermicomposts; cattle manure; plant growth; chemical composition; leaf area; fertilizer application; yields; soil amendments; Iran
Abstract:
... The effects of different amounts of vermicompost (0, 10, 20 and 30%) to sandy loam soil on growth, yield and chemical characteristics of spinach (Spinacia oleracea L.) cultivar Virofly were investigated in an unheated greenhouse at the Horticultural Department the Guilan University, Rasht, Iran, during 2006 using Complete Randomized Design (CRD). The results showed that an addition of vermicompost ...

15. Fruit growth and composition of two Ribes rubrum varieties growing in Tierra del Fuego, Argentina

Author:
Arena, M.E.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 114-118
ISSN:
1459-0255
Subject:
Ribes rubrum; red currants; cultivars; varieties; chemical composition; plant growth; small fruits; ripening; soluble solids; pH; acidity; anthocyanins; firmness; fruit quality; air temperature; growing season; harvest date; Argentina
Abstract:
... The small fruits or berries are products of a great interest due to the increasing world demand, and particularly attention is focused on many of the small fruits which are now considered for their nutraceutical properties. Over the past years, an increasing interest has been shown to the intensive agriculture in Argentinean Patagonia, mainly due to its diversity in soils and climates and to the p ...

16. Green tea and health: An overview

Author:
Pham-Huy, L.A.N.; He, H.; Pham-Huy, C.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 6-13
ISSN:
1459-0255
Subject:
green tea; antioxidants; antioxidant activity; flavanols; polyphenols; epigallocatechin; anticarcinogenic activity; cardioprotective effect; neuroprotective effect; anti-inflammatory activity; pharmacokinetics; adverse effects; caffeine; drug interactions; Camellia sinensis; chemical composition
Abstract:
... Tea is the most widely consumed beverage in the world, except water. Recently, numerous researches have discovered the strong antioxidant potential mostly in green tea. This property is essentially due to catechins belonging to the polyphenolic flavonoids. These compounds are strong scavengers of free radicals and oxidants that could develop many ailments such as cancer, cardio-vascular disorders, ...

17. Growth and mortality of the rough river prawn Macrobrachium equidens Dana, 1852 (Crustacea, Palaemonidae) in Cross River Estuary, Southeast Nigeria

Author:
Nwosu, F.M.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 186-189
ISSN:
1459-0255
Subject:
Macrobrachium; shrimp; estuaries; animal growth; growth and development; length; mortality; longevity; seasonal variation; Nigeria
Abstract:
... Population parameters are necessary in order to understand the health of any fishery to determine appropriate management measures. The prawn Macrobrachium equidens is an important component of the artisanal Macrobrachium fishery of the Cross River Estuary, contributing about 3.8 and 2.9% by number and weight, respectively, to the total catch of the multi-species Macrobrachium fishery of the area. ...

18. Influence of basal leaf removal on the chemical composition of Sauvignon Blanc and Riesling wines

Author:
Kozina, B.; Karoglan, M.; Herjavec, S.; Jeromel, A.; Orlic, S.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 28-33
ISSN:
1459-0255
Subject:
wines; chemical composition; leaves; pruning; pH; soluble solids; odor compounds; monoterpenoids; tartaric acid; malic acid; acidity; sensory evaluation; wine cultivars; grapes; wine quality
Abstract:
... The influence of partial leaf removal of grapevines on sugar, acids and pH must content was evaluated and changes in wine volatile composition and overall quality were defined. The experiment was carried out in 2002 with Sauvignon Blanc and Riesling varieties. Treatments were a) control, or no leaf removal, b) removal of 4 leaves per shoot and c) removal of 8 leaves per shoot. At the end of fermen ...

19. Involvement of phenazine-1-carboxylic acid, siderophores and hydrogen cyanide in suppression of Rhizoctonia solani and Pythium spp. damping-off by Pseudomonas oryzihabitans and Xenorhabdus nematophila

Author:
Kapsalis, A.; Gravanis, F.; Gowen, S.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 168-171
ISSN:
1459-0255
Subject:
entomopathogenic bacteria; fungal antagonists; Pseudomonas oryzihabitans; Xenorhabdus nematophila; disease control; damping off; phenazines; siderophores; cyanides; secondary metabolites; soil-borne diseases
Abstract:
... Entomopathogenic bacterial strains Pseudomonas (Flavimonas) oryzihabitans and Xenorhabdus nematophilus, both bacterial symbionts of the entomopathogenic nematodes Steinernema abbasi and S. carpocapsae have been recently used for suppression of soil-borne pathogens. Bacterial biocontrol agents (P. oryzihabitans and X. nematophila) have been tested for production of secondary metabolites in vitro an ...

20. Levels of benzoic and sorbic acid preservatives in commercially produced yoghurt in Lebanon

Author:
Mroueh, M.; Issa, D.; Khawand, J.; Haraty, B.; Malek, A.; Kassaify, Z.; Toufeili, I.
Source:
Journal of food, agriculture & environment 2008 v.6 no.1 pp. 62-66
ISSN:
1459-0255
Subject:
yogurt; benzoic acid; sorbic acid; food preservatives; high performance liquid chromatography; cultured product starters; chemical concentration; shelf life; Lebanon
Abstract:
... Benzoic and sorbic acids and their salts are extensively used in the preservation of foods. Their levels of use in different food products are regulated by national and international regulatory agencies. Benzoic acid occurs naturally in yoghurt and no reference exists as to its deliberate use in the preservation of this cultured dairy product. Sorbic acid levels up to 1000 mg kg-1 are allowed by c ...