Research Progress on Chemical and Biological Activity of Psidium guajava Polysaccharides
Psidium guajava,a type of fruit tree belonging to the Myrtaceae Family,is widely grown in tropical and subtropical area in the world.In addition to its good edible value,P.guajava is valued for its nutritional and medicinal properties and has been traditionally used as a supportive treatment for multiple diseases such as diarrhea and diabetes.Polysaccharides are major bioactive constituents of P.guajava and have antioxidant,anti-tumor,anti-inflammatory,immunoregulatory,hypoglycemic,and improving gut microbial dysbiosis effects.This review summarizes reported extraction method,structural characterization and biological activities of poly-saccharides from P.guajava are reviewed and summarized.The aim is to provide a reference for the further de-velopment and utilization of P.guajava and its polysaccharides in food and pharmaceutical industry.
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