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Technology of Extraction of Proanthocyanidins from the Fruit of Syzygium cumini(L.) Skeels
Author(s): Zhang Jing, Diao Shu-pin
Pages: 233-
237
Year: 2012
Issue:
1
Journal: Food and Fermentation Industries
Keyword: 海南蒲桃; 果实; 原花青素; 提取工艺;
Abstract: 以八成熟的海南蒲桃果实粉末为试材,采用正丁醇-盐酸法显色、测定提取液的吸光度,研究了八成熟海南蒲桃果实原花青素的提取工艺。经单因子实验及正交实验结果表明,以体积分数60%丙酮溶液(pH=3)为浸提液、料液比1∶9(g:mL)、温度60℃及时间2 h为最适工艺参数,经2次浸提原花青素的提取率为91.52%。八成熟的海南蒲桃果实原花青素含量5.70%,为充分成熟果实的127.23%。
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