紫背天葵红色素萃取条件的优选

The best Conditions of Extracting the red Pigment from Begonia Fimbristipula Hance

本文报道了萃取紫背天葵红色素的最佳条件和工艺流程。最佳萃取条件是:溶剂浓度30％乙醇、原料与溶剂配比1:7,温度50℃,浸提时间2h。

This article reports the best conditions and the tachnological process of extracting the red pigment from Begonia fimbristipula Hance. The best conditions of extraction are : solvent strength 30% Alcohol , material radio 1:7, the tempera-ture 50℃ and time 2 hours.