| Qingdao Pengyuan Natural Pigment Research Institute |
Qingdao Pengyuan Natural Pigment Research Institute
Contact Person (International Department): Ms. Ariae Zhan| 【 Sell 】Natural food color-Purple Potato Red Color | |
| Offer type: | Sell |
| Offer post time: | 2008-10-09 |
| Offer expiry date: | Never expired |
| Detailed Product Description: | |
It is a kind of natural edible pigment extracted from scammony purple sweet potato. It contains anthocyanins and flavones. The amaranthine powder or liquid color is soluble in water, alcohol and solution of water and alcohol, but insoluble in oil and absolute alcohol. The environment PH value can influence its hue and stability. At pH 2.0-6.0, the color is red or amaranthine; at pH 7.0, it is blue: at pH above 7.0, it is unstable green. |
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