E-ISSN 2564-615X
Research Article
Phytochemical and antimicrobial evaluation of methanolic extracts of selected Zingiberaceae taxa from Peren district, Nagaland, Northeast India
1 Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India  
Eurobiotech J 2017; 1: 337-344

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Abstract

The methanolic extract of ten Zingiberaceae taxa were evaluated for their phytochemical constituents, total phenolic and flavonoid contents along with in-vitro antioxidant and antimicrobial activities. Among the extracts, Kaempferia parviflora and Zingiber montanum were the most potent reducing agents, while Zingiber officinale exhibited strong free radical-scavenging activity. The high phenolic content observed in Z. montanum, Z. officinale and Curcuma longa may be attributed to the strong antioxidant activity. Furthermore, the extracts of C. longa, K. parviflora and Z. montanum effectively inhibite the growth of test pathogenic microbes. This study suggest that the ginger species are promising source of natural of antioxidant with strong antimicrobial properties.

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