the gardenia blue was applied to mordanting before dyeing, the various color fastness of the dyed samples was 4 grade, but the fastness to light was only 2~3 grade.
栀子蓝对羊毛织物适合采用预媒染色,除日晒牢度在2~3级外,其余色牢度均在4级以上。
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。