Purple sweet potato colorant is a natural anthocyaninpigment derived from purple sweet potato storage roots.
紫色甘薯色素是从紫色甘薯块根中浸提出来的一种天然食用花青素类色素。
2
The experimental results show that the more categories of anthocyaninpigment contain, the better its stability is.
实验研究表明，色素所含花色苷种类越多，色素稳定性越高。
3
The results showed that, the extracted anthocyaninpigment from grape peel, has the properties of high profits, low cost and controllable quality, and has the good future.