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Chitosan Zhengzhou Sigma Chemical Co., Ltd. Chitosan is an off-white, innocuous, flavourless semitransparent, and amorphous solid. This product helps in preventing food spoilage and aids in weight loss. Chitosan is used as a food additive, thickener, preservative for fruits and vegetables, fruit ju...展开 Chitosan is an off-white, innocuous, flavourless semitransparent, and amorphous solid. This product helps in preventing food spoilage and aids in weight loss. Chitosan is used as a food additive, thickener, preservative for fruits and vegetables, fruit juice clarifying agent, forming agent, adsorbent, and health food. 收起