Grape skin pigment, also known as grape skin red pigment, is a dark purple liquid, massive, powdery. It is mainly composed of mallow pigment-3-glucoside, lilacidine, delphinidin and the like. Mainly used for coloring beverages, cold drinks, alcoholic beverages, cakes, jams, etc., red to reddish purple colorants. The macroporous adsorption resin is used as an adsorbent, and the grape skin pigment is adsorbed and purified from the aqueous solution by physical adsorption. The method has the advantages of simple equipment, easy operation and high product purity. Therefore, the macroporous resin adsorption method is increasingly widely used in the purification and purification of grape skin pigments.
The macroporous adsorbent resin provided by Suzhou Bojie Resin Technology Co., Ltd. extracts grape skin pigment, which has large adsorption capacity, convenient desorption and high regeneration rate, and is widely used in grape skin pigment extraction.

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