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黑莓花色苷色素提取方法比较研究及优化 被引量:6

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摘要 对黑莓花色苷组分进行了HPLC分析,得到4个组分,据相关文献推测其可能为矢车菊3-O-葡萄糖苷,矢车菊3-O-阿拉伯糖苷、矢车菊3-O-丙二酸酰葡萄糖苷和矢车菊3-O-草酸酐酰葡萄糖苷。比较研究了果胶酶酶解-柠檬酸水提法、酵母发酵提取法、柠檬酸酸化乙醇提取法对黑莓花色苷提取量的影响。结果表明,果胶酶酶解能显著增加黑莓原汁中花色苷含量(P<0.05),但采用果胶酶酶解-柠檬酸水提时,果胶酶的添加量对花色苷提取得率无显著影响。酵母发酵法不能显著提高黑莓花色苷溶出率(P>0.05)。柠檬酸酸化乙醇法优于柠檬酸水提法。因此,柠檬酸酸化乙醇法为最适提取黑莓花色苷色素的方法。采用响应曲面法对黑莓花色苷柠檬酸酸化乙醇法提取过程中的乙醇浓度、料液比、温度、提取时间进行了优化,最优提取条件为:料液比1 g∶4.4 mL,温度35.4℃,乙醇浓度42.8%,时间1 h。
出处 《江苏农业科学》 CSCD 北大核心 2010年第5期366-369,共4页 Jiangsu Agricultural Sciences
基金 江苏省自然科学基金(编号:BK2009649) 国家科技服务企业项目(编号:2009GJC10019)
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参考文献19

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二级参考文献27

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二级引证文献50

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