摘要
对紫心甘薯红色素的理化性质作了研究，结果表明其红色素属水溶性色素，且在酸性条件下极为稳定。
The physical and chemical properties of PSP′ s pigments were determined in this paper.The results show the pigments can dissolve in water,be stable in acid solution and be used as a new natural colorant.
基金
浙江农业大学校科研基金
关键词
紫心甘薯
红色素
理化性质
甘薯
purple sweet potato
red pigment
physical & chemical properties
