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黃相中, 李聰, 古昆, 陳遠(yuǎn)騰, 陳偉賢. 元寶楓葉提取物的穩(wěn)定性及抗氧化活性研究[J]. 云南大學(xué)學(xué)報(bào)(自然科學(xué)版), 2003, 25(5): 442-445448.

引用本文: 黃相中, 李聰, 古昆, 陳遠(yuǎn)騰, 陳偉賢. 元寶楓葉提取物的穩(wěn)定性及抗氧化活性研究[J]. 云南大學(xué)學(xué)報(bào)(自然科學(xué)版), 2003, 25(5): 442-445448.

HUANG Xiang-zhong, LI Cong, GU Kun, CHEN Yuan-teng, CHEN Wei-xian. Studies on antioxidative activity and stability of the extracts of Acer truncatume leave[J]. Journal of Yunnan University: Natural Sciences Edition, 2003, 25(5): 442-445448.

Citation: HUANG Xiang-zhong, LI Cong, GU Kun, CHEN Yuan-teng, CHEN Wei-xian. Studies on antioxidative activity and stability of the extracts of Acer truncatume leave[J]. Journal of Yunnan University: Natural Sciences Edition, 2003, 25(5): 442-445448.

元寶楓葉提取物的穩(wěn)定性及抗氧化活性研究

中圖分類號: TQ654

計(jì)量 文章訪問數(shù):  02851 HTML全文瀏覽量:  0676 PDF下載量:  0669 出版歷程 收稿日期:  2003-02-02 刊出日期:  2003-09-15

Studies on antioxidative activity and stability of the extracts of Acer truncatume leave

Department of Applied Chemistry, Yunnan University, Kunming 650091, China

摘要

摘要: 用70%乙醇提取元寶楓葉中的抗氧化物,用微生物紙片法及其分光光度法測其抗氧化活性,并研究了在不同條件下提取物的穩(wěn)定性.結(jié)果表明,元寶楓葉提取物中的總黃酮部分具有較強(qiáng)的自由基清除能力,且耐熱、耐光性好,在酸性介質(zhì)及氯化鈉溶液中可穩(wěn)定存在.

Abstract: Antioxidative substances of Acer truncatum leave were extracted with 70% ethanol.Their antioxidative activities were essayed by microbiological paper method and DPPH method.The effects of light,heat,pH and sodium chloride on the stabilities of these antioxidative substances were also studied.It was found that the total flavonoid of the extracts of Acer truncatume leave showed strong scavenging effects on DPPH radical and the 1O2 produced from microbiological paper system.The extracts were resistant to heat and light and the solution of could exist stably in acidic medium and sodium chloride.

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計(jì)量 文章訪問數(shù):  HTML全文瀏覽量:  PDF下載量:  被引次數(shù): 0 出版歷程 收稿日期:  2003-02-02 刊出日期:  2003-09-15

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