紫色菜苔天然色素提取工艺的研究

Study on extraction of a kind of natural Pigment from purple bolt

本文研究了天然紫色菜苔色素的提取工艺，并对色素在不同酸度、温度等条件下的稳定性进行了探讨，结果表明，该天然色素适用于酸性食品的着色，并具有较高稳定性．

This paper reports the extraction of the pigment from purple bolt. We also study the stability of the pigment at different acidity, temperature and sunlight conditions. The results indicate that the pigment can be used in many kinds of acidity food.