食品科学 ›› 2006, Vol. 27 ›› Issue (5): 152-156.

• 工艺技术 • 上一篇    下一篇

食品添加剂对荔枝果皮花色素苷稳定性影响的研究

 姚伙旺, 曾秋平, 劳永民, 刘顺枝, 胡位荣   

  1. 广州大学生命科学学院
  • 出版日期:2006-05-15 发布日期:2011-09-16

Effects of Food Additives on the Stability of Litchi Anthocyanin

YAO  Huo-Wang, ZENG  Qiu-Ping, LAO  Yong-Min, LIU  Shun-Zhi, HU  Wei-Rong   

  1. School of Life Science, Guangzhou University, Guangzhou 510006, China
  • Online:2006-05-15 Published:2011-09-16

摘要:  研究了几种常用食品添加剂对荔枝花色素苷提取物稳定性的影响。结果表明,蔗糖、葡萄糖、乳糖可以增强荔枝花色素苷的稳定性;酸味剂如柠檬酸、酒石酸、乳酸、醋酸对荔枝花色素苷有良好的增色、护色效果;Mg2+、Zn2+、Fe2+、苯甲酸、山梨酸和β-环糊精对花色素苷的稳定性影响不明显;Ca2+有一定的增色作用,乙醇有减色作用,而VC、Cu2+对花色素苷有破坏作用。荔枝花色素苷是可广泛应用于食品、饮料和医药等行业的天然植物食用色素。

关键词: 荔枝, 花色素苷, 食品添加剂, 稳定性

Abstract:  Effects of common food additives on the stability of litchi anthocyanin were investigated in this paper. The results showed that saccharides such as sucrose, glucose and lactose enhanced the stability of litchi anthocyanin.The pigment was brighter and more stable when acidulates were applied to its solutions. The anthocyanin was destroyed by metallic Cu2+ and vitamin C, but not by Mg2+, Zn2+, Fe2+, benzoic acid, hexadienic acid and β-cyclodextrin. When ethanol was added with different concentrations, the absorbance of anthocyanin at 510nm decreased, but the addition had no significant effect on the color and stability of the pigment during storage. Ca2+ ion shows certain effect of color improving. The red anthocyanin from litchi fruit is a kind of natural plant pigment used extensively in food, beverage and medicine etc.

Key words:  , litchi(Litchi chinensis Sonn.); anthocyanin; food additives; stability;