3 years ago

Evaluation of Zanthoxylum armatum Roxb for in vitro biological activities

Evaluation of Zanthoxylum armatum Roxb for in vitro biological activities
Zanthoxylum armatum fruits are used traditionally as a spice in various food preparations. The aim of this study was analysis of antimicrobial, cytotoxic, phytotoxic, insecticidal, and anti-leishmanial activity. The crude extract showed 86 ± 10% antifungal activity (Agar tube dilution method) against Trichophyton longifusis while n-hexane, chloroform, and aqueous-methanol fractions inhibited this pathogen by 90 ± 7, 85 ± 10 and 70 ± 9% respectively. The n-hexane and aqueous-methanol fraction also, respectively, showed 40 ± 10 and 87 ± 9% inhibition of Microsporum canis. Chloroform fraction also displayed antifungal activity against Aspergillus flavus (60 ± 10%) and aqueous-methanol fraction against F. solani (40 ± 8%). The crude ethanolic extract and its chloroform and aqueous-methanol fraction exhibited significant toxicity (Brine shrimps lethality assay) against brine shrimps having LC50 value of 6.66 ± 1.1, 21.4 ± 3.3 and 29.6 ± 3.9 μg/ml, respectively. The crude ethanolic extract and its n-hexane soluble portion exhibited good anti-leishmanial activity (well serial dilution method) each having IC50 values of 50 ± 5 μg/ml. The crude extract and various fractions possessed excellent herbicidal activity (Lemna minor assay), and caused more than 90% inhibition of the plant growth at 1000 μg/mL. The ethanolic extract, n-hexane and chloroform soluble portions caused 90% mortality in insecticidal activity (direct contact method) of Rhyzopertha dominica. The ethanolic extract and its n-hexane soluble portion, respectively, caused 80 and 90% mortality of Callosobruchus analis. The present study showed that the tested fruit extracts of Z. armatum exhibited strong antifungal, cytotoxic, phytotoxic, insecticidal, and anti-leishmanial effects.

Publisher URL: www.sciencedirect.com/science

DOI: S2225411017300111

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