9783846529447 - bioactive compounds from vitex negundo l.: isolation of nishinda extracts, bioactive compounds, phytochemical analysis and bioassay de chowdhury, nasima y; hossain, monzur; islam, rafiul (9 resultados)
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Taschenbuch. Condición: Neu. Bioactive compounds from Vitex negundo L. | Isolation of Nishinda Extracts, Bioactive Compounds, Phytochemical Analysis and Bioassay | Nasima Y Chowdhury (u. a.) | Taschenbuch | 140 S. | Englisch | 2011 | LAP LAMBERT Academic Publishing | EAN 9783846529447 | Verantwortliche Person für die EU: BoD - B…ooks on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.
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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Nishinda (Vitex negundo) leaves, stem barks and roots were sequentially extracted with organic solvents Pet spt, EtOAc, acetone and MeOH. Efficacy of these extracts was determined against adult and different larval instars of three…strains of T. castaneum using residual film method. The degree of toxicity in the order was leavesstem barksroots. The LD50 values for first through fourth instar larvae were more or less similar whereas, LD50 for fifth instar larva and adults were the lowest. The degree of toxicity according to solvents was MeOHet spt.acetoneEtOAc. The susceptibility order according to insect strains was FSS-IICTC-12KANO. Repellency test using methanolic extract of leaf revealed highly repellent effect on all three strains of T castaneum. Two compounds were isolated and identified using chemical and spectral analysis. The compounds were 22, 23-dihydro alpha-spinasterol-beta-D-glucoside and 2-hydroxy benzoic acid. The spinasterol glucoside showed strong antibacterial property and salicylic acid showed moderate bactericidal as well as strong fungicidal activities. Brine shrimp bioassay showed the toxic effect of these compounds on brine shrimp nauplii. 140 pp. Englisch.
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Condición: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Chowdhury Nasima YNasima Y Chowdhury, PhD: Studied Zool at the Dept of Zool, Rajshahi Univ, Rajshahi, Bangladesh. Associate Prof of Zool, Rajshahi College.Monzur Hossain, PhD: Studied Botany at the Dept… of Botany, Rajshahi Univ. Prof.
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Condición: New. Print on Demand pp. 140 2:B&W 6 x 9 in or 229 x 152 mm Perfect Bound on Creme w/Gloss Lam.
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Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Nishinda (Vitex negundo) leaves, stem barks and roots were sequentially extracted with organic solvents Pet spt, EtOAc, acetone and MeOH. Efficacy of these extracts was determined against adult and different larval instars of three stra…ins of T. castaneum using residual film method. The degree of toxicity in the order was leavesVDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 140 pp. Englisch.
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Taschenbuch. Condición: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Nishinda (Vitex negundo) leaves, stem barks and roots were sequentially extracted with organic solvents Pet spt, EtOAc, acetone and MeOH. Efficacy of these extracts was determined against adult and different larval instars of three strai…ns of T. castaneum using residual film method. The degree of toxicity in the order was leavesstem barksroots. The LD50 values for first through fourth instar larvae were more or less similar whereas, LD50 for fifth instar larva and adults were the lowest. The degree of toxicity according to solvents was MeOHet spt.acetoneEtOAc. The susceptibility order according to insect strains was FSS-IICTC-12KANO. Repellency test using methanolic extract of leaf revealed highly repellent effect on all three strains of T castaneum. Two compounds were isolated and identified using chemical and spectral analysis. The compounds were 22, 23-dihydro alpha-spinasterol-beta-D-glucoside and 2-hydroxy benzoic acid. The spinasterol glucoside showed strong antibacterial property and salicylic acid showed moderate bactericidal as well as strong fungicidal activities. Brine shrimp bioassay showed the toxic effect of these compounds on brine shrimp nauplii.
