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.

• 从蜀葵花瓣中提取的紫色素是一种安全无害的天然染料.；本文对蜀葵花中的紫色素的提取及稳定性的研究作了介绍