| 葡萄籽原花色素的提取、改性及抗氧化性研究 |
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| 引用本文： | 屈景年,曾文良,陈辉,李俊华.葡萄籽原花色素的提取、改性及抗氧化性研究[J].衡阳师专学报,2010(3):48-51. |
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| 作者姓名： | 屈景年 曾文良 陈辉 李俊华 |
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| 作者单位： | 衡阳师范学院化学与材料科学系,湖南衡阳421008 |
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| 摘 要： | 采用均匀设计法对葡萄籽原花色素的提取工艺参数进行了优化，并用油酸酰氯对葡萄籽原花色素进行化学改性，得到了脂溶性原花色素，研究了脂溶性原花色素在猪油中的抗氧化效果，实验结果表明：葡萄籽原花色素的最佳提取工艺为：40％乙醇水溶液在313K下浸提80min，其中料液比为1：11，乙酸加入量为0．75％。脂溶性原花色素能很好地抑制猪油的自动氧化，且与Vc有很好的协同抗氧化作用。
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| 关 键 词： | 葡萄籽 原花色素 提取 改性 抗氧化性 |
Study on Extraction from Grape Seeds and Chemical Modification of Proanthocyanidins and its Antioxidative Activity |
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| Institution: | QU J ing-nian , ZENG Weng-liang, CHEN Hui, LI j un-hua (Department of Chemistry Hengyang Normal University, Hengyang Hunan 421008,China) |
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| Abstract: | The extraction technology parameters of grape seeds＇ proanth ocyanid are optimized by means of uniform design in this dissertation. We found that the optimized experiment conditions are as follows： it was extracted in 40 % ethanol aquous solution for 80 min at 313 K; the ratio of material to liquid is 1：11 and the concentration of acetic acid is 0.75 %. Oleoyl chloride was firstly used to modify grape seeds＇ proanthocyanidin. Oil dissoluability proantheyanidin was obtained, and its antioxidative effect on lard lonclusion was investigated. The results showed that oil dissoluability proanthocyanidin could prohibit lard from auto-oxidating, When Vc was added, the better ability of antioxidativeness was obtained. |
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| Keywords: | grape seeds proanthocyanidin extraction chemical modification antioxidative activity |
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