Compared with the traditional polymer hydrogel materials, polysaccharide hydrogels are getting more attention of the people, because of its environmentally friendliness, biocompatibility, special functional and biodegradable advantages.The production methods of hydrogels from plant polysaccharides, marine polysaccharide, microbial polysaccharide and its blending polysaccharide were summarized, as well as the functional characteristics and characterization methods.And the applications of hydrogel materials in medicine and health care, food, cosmetics, agriculture, environmental protection and other fields were introduced.The application prospects of polysaccharide hydrogel in biosensor, bioreactor, artificial intelligence materials and antibacterial materials were discussed, and the main focus of future polysaccharide research were proposed, such as improving material performance and features, studying gel formation mechanism, and simulating function materials.%与传统高分子水凝胶材料相比,高分子多糖水凝胶因其具有环境友好型、生物相容性、特殊功能性、生物可降解性等优势而倍受重视.综述了以植物多糖、海洋多糖、微生物多糖及其复合多糖为原料的多糖水凝胶功能材料的制备方法、功能特性和产品表征方法,介绍了多糖水凝胶材料在医药卫生、食品、化妆品、农业和环保等领域的应用情况,分析了多糖水凝胶在生物传感器、生物反应器、人工智能材料和抗菌材料等领域的应用前景,并指出提高材料性能与功能特性、分析凝胶形成机理和功能材料模拟等是未来多糖水凝胶研究的重点.
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