金樱子黄酮类化合物的初步研究  

Study on the Antioxidant Property of Flavonoid Compound in Rosa laevigata Michx

作　　者：陈乃富[1] 张莉[1] 

机构地区：[1]皖西学院化学与生命科学系,安徽六安237012

出　　处：《中国林副特产》2005年第5期2-4,共3页Forest By-product and Speciality in China

摘　　要：用70%的乙醇提取金樱子中的黄酮类物质,得到粗黄酮,利用分光光度法测定金樱子的黄酮含量。以亚油酸为反应底物,用TBA法测定金樱子黄酮类化合物的抗氧化能力。结果表明:金樱子果实随成熟度的增加,黄酮含量呈明显下降趋势;金樱子果肉中总黄酮含量可高达干重的15.39%;粗黄酮粉的得率高达金樱子果肉干重的58.31%,粗黄酮粉中的黄酮含量为26.39%;金樱子黄酮类化合物主要是黄酮和黄酮醇两类;金樱子黄酮类化合物能显著的阻断亚油酸的自氧化作用,表现出较强的抗氧化活性。Rough flavonoids can be extracted from rosa laveigata michx （L.） with 70% alcohol ,and its pure can be measured by spectrophotometryic methods. Then measuring its antioxidant property of flavonoid compound by the method of TBA with linoleic acid as substrate. It showed out： Flavonoid increment with deal along with mature degree but lower, the total flavonoids content in the dry weight of Rosa laevigata is 15.39% ,the flavonoids content in rough flavonoids powers is 26.39 % and the rough flavonoids powers content in the dry Rosa laevigata is 58.31%. Flavonoids of Rosa laevigata are mainly flavone and flavonol,they can prevent lindoic acid from oxidant itself, it shows high antioxidant activity.

关 键 词：金樱子 黄酮 抗氧化 黄酮类化合物 金樱子 分光光度法测定 总黄酮含量 黄酮类物质 抗氧化能力 抗氧化活性 乙醇提取 TBA法 

分 类 号：TS275.5[轻工技术与工程—农产品加工及贮藏工程] Q946.8[轻工技术与工程—食品科学与工程]