In order to find a new kind of natural blue pigment, the UV-absorption characteristics of gardenia blue pigment in Guangxi province was studied in this paper.
为了寻找一种可食用天然蓝色素，本论文采用紫外光谱法对广西栀子蓝色素的特性进行了研究。
The hydrophobic gardenia blue pigment was prepared with the water-soluble gardenia blue pigment esterified by acetic anhydride, and catalyzed by hydrochloric acid.
研究有机溶剂/磷酸氢二钾双水相体系对栀子黄废液中栀子苷的萃取条件，并将萃取后的栀子苷用于栀子蓝色素的生产。
The hydrophobic gardenia blue pigment was prepared with the water-soluble gardenia blue pigment esterified by acetic anhydride, and catalyzed by hydrochloric acid.
研究有机溶剂/磷酸氢二钾双水相体系对栀子黄废液中栀子苷的萃取条件，并将萃取后的栀子苷用于栀子蓝色素的生产。
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