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当前位置: 首页 > 文章 > 紫甘薯花色苷在双水相萃取体系中的分配特性 食品科学 2013,34 (19) 76-79
Position: Home > Articles > Partition Characteristics of Anthocyanins from Purple Sweat Potato during Aqueous Two-phase Extraction FOOD SCIENCE 2013,34 (19) 76-79

紫甘薯花色苷在双水相萃取体系中的分配特性

作  者：
陈姗姗;王丹;张超;马越;张晖;赵晓燕
单  位：
北京市农林科学院蔬菜研究中心;江南大学食品学院
关键词：
紫甘薯;花色苷;双水相;分配系数
摘  要：
采用液质联机法鉴定紫甘薯花色苷结构,通过高效液相色谱法测定花色苷各组分含量,研究不同结构紫甘薯花色苷在双水相萃取体系中的分配特性。结果表明:紫甘薯中主要含有8种花色苷,分别为不同酰基化的芍药素和矢车菊素。花色苷苷元和酰基化结构影响其在双水相萃取体系上下相中的分配。相同酰基化的花色苷,芍药素花色苷分配系数大于矢车菊素花色苷。含相同苷元的花色苷,双酰化结构在双水相体系中的分配系数大于单酰化结构。
译  名：
Partition Characteristics of Anthocyanins from Purple Sweat Potato during Aqueous Two-phase Extraction
作  者：
CHEN Shan-shan;WANG Dan;ZHANG Chao;MA Yue;ZHANG Hui;ZHAO Xiao-yan;Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (North China),Ministry of Agriculture,Key Laboratory of Urban Agriculture (North),Ministry of Agriculture,Beijing Vegetable Research Center,Beijing Academy of Agriculture and Forestry Sciences;School of Food Science and Technology,Jiangnan University;
关键词：
purple sweet potato;;anthocyanin;;aqueous two-phase;;distribution coefficient
摘  要：
Anthocyanins in purple sweet potato were tentatively identified and quantified by HPLC-MS to assess their partition characteristics during aqueous two-phase extraction. Eight anthocyanins including cyanidin and peonidin with different acylated groups were indentified. The anthocyanidin and acylated groups of anthocyanins could influence their partitions in the aqueous two-phase system. Cyanidin-type anthocyanins had a greater partition coefficient than peonidin-type ones of the same degree of acetylation. With the same aglycones, diacylated anthocyanins had a greater partition coefficient than monoacylated ones.

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