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Ningxia Hongqiaozhigu Technology&Development Co.,Ltd
It is suggested that when we buy Lycium barbarum, we can put more than a dozen medlar into the water. If it does not fade, it means sulphur fumigated wolfberry, because sulfur is insoluble in water. If there is a red, it means that the pigment is used. The normal color is orange (pale yellow) with a small amount of floc floating.