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DATE:2023-07-17Chitosan is the only natural active polysaccharide with cations in nature, which has good adsorption
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DATE:2023-07-17Phospholipids are important components of biomembranes, which can be divided into Glycerophospholipi
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DATE:2023-07-17Glucosamine sulfate is a substance synthesized by human body itself, a traditional Chinese medicine
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