The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.
从蜀葵花瓣提取
色素是一种安全无害
天然染料.本文对蜀葵花
色素
提取
稳定性
研
介绍.