“彩色马铃薯”块茎花色苷分子结构研究进展

被引：14

作者：

张静

赵昶灵

郭华春

机构：

[1] 云南农业大学农学与生物技术学院

来源：

天然产物研究与开发 | 2009年 / 21卷 / 04期

关键词：

“彩色马铃薯”; 块茎; 花色苷; 分子结构; 研究进展;

D O I：

10.16333/j.1001-6880.2009.04.024

中图分类号：

S532 [马铃薯（土豆）];

学科分类号：

摘要：

"彩色马铃薯"是指块茎的"皮"和/或"肉"为红、紫、蓝或橙色的马铃薯,其块茎"皮"和"肉"变化多端的着色模式源于花色苷的积累,块茎各种颜色在根本上由花色素决定。在"彩色马铃薯"块茎中已发现6种花色素,即矮牵牛色素、花葵素、锦葵色素、芍药色素、花青素和花翠素;不同颜色块茎所含的花色素种类不同,同一颜色块茎所含花色素种类也可能不同;紫色块茎所含的花色素种类最为多样化。"彩色马铃薯"块茎的各种花色素一般在C3位经过氧-糖苷键实现1个芸香糖基取代,在苷元的C5位,要么以氧-糖苷键实现单葡萄糖基取代,要么不发生取代。"彩色马铃薯"块茎花色苷常在花色素C3位二糖取代基上或在C5位的单糖取代基上进一步发生反式单酰基取代,实现酰基取代的酚酸多为对香豆酸,其次为阿魏酸和咖啡酸。"彩色马铃薯"块茎矮牵牛素、锦葵色素、花葵素和芍药色素的对香豆酸酰化衍生物的惯用名分别为"petanin","malvanin","pelanin"和"peonanin"。本文可以为"彩色马铃薯"块茎颜色呈现的机理探索及其花色苷的分子结构鉴定提供参考。

引用

页码：719 / 725

页数：7

共 9 条

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