Mirzadeh, Monirsadat and Keshavarz Lelekami, Ali and Khedmat, Leila (2021) Plant/algal polysaccharides extracted by microwave: A review on hypoglycemic, hypolipidemic, prebiotic, and immune-stimulatory effect. Carbohydrate Polymers.
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Abstract
Microwave-assisted extraction (MAE) is an emerging technology to obtain polysaccharides with an extensive spectrum of biological characteristics. In this study, the hypoglycemic, hypolipidemic, prebiotic, and immunomodulatory (e.g., antiinflammatory, anticoagulant, and phagocytic) effects of algal- and plant-derived polysaccharides rich in glucose, galactose, and mannose using MAE were comprehensively discussed. The in vitro and in vivo results showed that these bioactive macromolecules with the low digestibility rate could effectively alleviate the fatty acid-induced lipotoxicity, acute hemolysis, and dyslipidemia status. The optimally extracted glucomannan- and glucogalactan-containing polysaccharides revealed significant antidiabetic effects through inhibiting α-amylase and α-glucosidase, improving dynamic insulin sensitivity and secretion, and promoting pancreatic β-cell proliferation. These bioactive macromolecules as prebiotics not only improve the digestibility in gastrointestinal tract but also reduce the survival rate of pathogens and tumor cells by activating macrophages and producing pro-inflammatory biomarkers and cytokines. They can effectively prevent gastrointestinal disorders and microbial infections without any toxicity.
| Item Type: | Article |
|---|---|
| Subjects: | R Medicine > R Medicine (General) |
| Divisions: | University Portal > research center > Metabolic |
| Depositing User: | pr Metabolic diseases research |
| Date Deposited: | 14 Nov 2022 10:14 |
| Last Modified: | 14 Nov 2022 10:14 |
| URI: | http://eprints.qums.ac.ir/id/eprint/12212 |
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