Antioxidant and antiproliferative activities of water spinach (Ipomoea aquatica Forsk) constituents

文化大學機構典藏 CCUR > 環境規劃暨生物資源學院 > 農學院 > 園藝暨生物技術學系 > 期刊論文 > Item 987654321/2444

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题名:	Antioxidant and antiproliferative activities of water spinach (Ipomoea aquatica Forsk) constituents
作者:	Huang, D.J.;Chen, H.J.;Lin, C.D.;Lin, Y.H.
贡献者:	園藝學系
日期:	2005
上传时间:	2009-10-30 15:50:29 (UTC+8)
摘要:	The aim of this study was to examine possible antioxidant and antiproliferative activities of 95% ethanol or water extract from water spinach (Ipomoea aquatica Forsk) organs. DPPH staining, total phenolic compounds, total flavonoid content, DPPH radical, reducing power method, FTC method, and inhibition of cancer cell proliferation were employed. Ethanol extract of stem demonstrated a positive effect in DPPH staining when it was diluted to 6.25 mg dry matter/mL while all other fractions showed no effect at the same dilution. This fraction also had the highest content of the total phenolic compounds, as well as the highest reducing power and FTC activity. Ethanol extract of leaf had the highest amount of flavonoids. Using DPPH colorimetric method, it was found that ethanol extract of stem had the highest radical-scavenging activity, followed by ethanol extract of leaf. The antiproliferative activities of water spinach extracts were studied in vitro using human lymphoma NB4 cells, and the following results were found: water extract of stem had the highest antiproliferative activity with an EC50 of 661.40 &PLUSMN; 3.36 μ g dry matter/mL, followed by ethanol extract of stem and ethanol extract of leaf. The water extract of leaf had the lowest antiproliferative activity (EC50> 1000 μ g dry matter/mL) under the experimental conditions.
關聯:	BOTANICAL BULLETIN OF ACADEMIA SINICA v.46 n.2 Pages: 99-106
显示于类别:	[園藝暨生物技術學系] 期刊論文

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