元宝枫叶片花色素苷的提取及其稳定性研究

The Extraction and Stability of Anthocyanin from Leaves of Acer Truncatum Bunge

以元宝枫秋季变色植株叶片为材料,通过对其花色素苷提取的研究以及稳定性的测试,结果表明:用1%盐酸乙醇作为元宝枫花色素苷提取液的效果最好;最佳的提取时间是6h;元宝枫花色素苷对光照比较敏感,黑暗条件下花色素苷的稳定性明显提高;低温4℃下花色素苷稳定性好;酸性环境pH2.0时花色素苷颜色稳定,随着pH升高其稳定性明显下降。

Extraction of anthocyanins from the leaves ofAcer truncatum Bunge and its stability were studied in this paper. The main results were as follows： The optimum extraction conditions of anthocyanins from acer truncatum Bunge were established with alcohol containing 0.1%HC1, 6h extraction period. The anthocyanin from acer truncatum Bunge was sensitive to the light. It was stable under darkness and 4℃; It was also observed that the anthocyanin was stable while the pH was 2.0. With the increasing pH, its stability was dropped significantly.