Please use this identifier to cite or link to this item: https://ir.sc.mahidol.ac.th/handle/123456789/567
Title: Antioxidant Activity of Some Selected Freshwater Macrophytes
Authors: Supeecha Kumkate
Praneet Damrongphol
Keywords: Antioxidant;cytotoxicity;freshwater submerged macrophytes;Nymphaea pubescens;Polygonum tomentosum
Issue Date: 2015
Publisher: 7th International Conference on Medical, Biological and Pharmaceutical Sciences (ICMBPS'2015)
Citation: ชีววิทยา
Series/Report no.: ;58-61
Abstract: Three freshwater submerged macrophytes including Hydrilla verticillata, Najas graminea, and Utricularia aurea, one floating-leaf emergent macrophyte, Nymphaea pubescens Willd., and one marginal emergent macrophyte, Polygonum tomentosum Willd.,from Bueng Boraphet wetland, central Thailand were studied for their antioxidant activities using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulphonic acid) (ABTS) assays. The 80% ethanolic, 80% methanolic, or 80% diethyl ether extracts of three submerged macrophytes showed low antioxidant activities comparing to those of emergent macrophytes,N. pubescens Willd. and P. tomentosum Willd. The ethanolic extracts of N. pubescens Willd. flowers and leaves and of P. tomentosum Willd. flowers and peduncles showed high antioxidant activities with low cytotoxicity based on 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The present studysuggests that N. pubescens Willd. and P. tomentosum Willd. are potential sources of natural antioxidants.
Description: http://psrcentre.org/images/extraimages/615058.pdf
URI: https://ir.sc.mahidol.ac.th/handle/123456789/567
Appears in Collections:Biology: International Proceedings

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