The plant dyestuffs have madder, Radix Arnebiae, Su Mu, indigo, safflower, pomegranate, yellow Fructus Gardeniae, tea, etc.
2
通过单因素试验确定传统单罐间歇式浸出栀子黄色素的浸出条件:黄栀子果实的粉碎度30-40目;
The optimal condition of one pot intermittently extraction was determined by single factor experiments. The optimum extraction conditions were comminuted gardenia yellow fruit to 30-40 eye;
The hydrophobic gardenia blue pigment was prepared with the water-soluble gardenia blue pigment esterified by acetic anhydride, and catalyzed by hydrochloric acid.