Study on semi-bionic extraction of Astragalus polysaccharide and its anti-aging activity in vivo
- PMID: 37528992
- PMCID: PMC10389262
- DOI: 10.3389/fnut.2023.1201919
Study on semi-bionic extraction of Astragalus polysaccharide and its anti-aging activity in vivo
Abstract
Astragalus membranaceus (A. membranaceus) is a homologous plant with high medicinal and edible value. Therefore, the extraction methods of Astragalus polysaccharide (APS) have attracted the attention of many research groups, but the yield of the active components is still not high. The aim of this study was to extract APS by a semi-bionic extraction method, optimize the extraction process, and evaluate the anti-aging activities of APS in vivo. The results showed that the APS yield was 18.23% when extracted by the semi-bionic extraction method. Anti-aging evaluation in rats showed that APS extracted by this method significantly decreased the malondialdehyde (MDA) content and increased superoxide dismutase (SOD) activity to cope with D-galactose-induced aging. Serum metabolomic analysis indicated that a total of 48 potential biomarkers showed significant differences, mainly involving 5 metabolic pathways. These altered metabolic pathways were mainly related to energy metabolism, amino acid metabolism, and lipid metabolism. These results indicated that the semi-bionic extraction method can effectively improve the yield of APS, and the extracted APS exhibited anti-aging activity in rats. Our study provided a novel and effective method to extract APS and indicated that APS can be used as functional food and natural medicine to delay aging and prevent its complications.
Keywords: Astragalus polysaccharide; D-galactose; anti-aging; antioxidant; purification; separation.
Copyright © 2023 Yan, Miao, Zhang, Liu, Ma, Sun, Liu, Zhang, Wang, Kan, Yang and Wu.
Conflict of interest statement
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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