Objective To study the extraction method and the stability of red pigment in Chinese trumpetcreeper flower and provide basis for developing and utilizing natural pigments.
目的研究凌霄花红色素的提取方法及其稳定性，为开发利用天然色素提供依据。
Objective To study the extraction method and the stability of red pigment in chinese herbal medicine Silktree Albizzia flower and provide basis for developing and utilizing natural pigments.
目的研究中草药绒花红色素的提取方法及其稳定性，为开发利用天然色素提供实验依据。
Taking the soybean oil dreg as the raw material, using the method of esterification reaction and supercritical CO2 extracting, we carry through the research of extraction of natural VE.
以大豆油脚为原料，采用酯化反应和超临界CO2萃取方法，进行了天然ve的提取研究。
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