Effects of multi-frequency ultrasonic on the physicochemical properties and bioactivities of polysaccharides from different parts of ginseng
文献类型： 外文期刊
作者： Bai, Chunlong 1 ; Chen, Ruizhan 1 ; Tan, Li 2 ; Bai, Helong 1 ; Tian, Li 1 ; Lu, Juan 1 ; Gao, Ming 1 ; Sun, Hui 1 ; Chi, Yu 1 ;
作者机构： 1.Changchun Normal Univ, Coll Chem, Changchun 130032, Peoples R China
2.Jilin Acad Agr Sci, Inst Agr Qual Stand & Testing Technol, Changchun 130033, Peoples R China
关键词： Ginseng polysaccharide; Physicochemical characterization; Functional property; Antioxidant activity; alpha-Glucosidase inhibitory activity
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.025； 五年影响因子：7.626 ）
ISSN： 0141-8130
年卷期： 2022 年 206 卷
页码：
收录情况： SCI
摘要： The effect of multi-frequency ultrasonic extraction (MUE) on the yields, physicochemical properties, antioxidant and alpha-glucosidase inhibitory activities of polysaccharides (GPs) from different parts of ginseng were compared. Results demonstrated that yields of polysaccharides from different parts were found to vary significantly differences, in the order of roots (M-GRPs) > flowers (M-GFPs) > leaves (M-GLPs). Compared with heat reflux extraction, MUE not only increased the yield of GPs by up to 9.14%-210.87%, with higher uronic acid content (UAC: increased by 4.99%-53.48%), total phenolics content (TPC: increased by 7.60% to 42.61%), total flavonoids content (TFC: increased by 2.52%-5.45%), and lower molecular weight (Mw: reduced by 6.51%-33.08%) and protein content (PC: reduced by 5.15%-8.95%), but also improved their functional properties and bioactivities. All six purified polysaccharides extracted by MUE were acidic pyran polysaccharide with different monosaccharide composition, possessed remarkable antioxidant and alpha-glucosidase inhibitory activities. Especially, M-GFP-1 exhibited the highest bioactivities, illustrated that the activities were highly correlated with UAC and TPC, Mw, and triple helical structure. These results indicate that MUE was an efficient technique for improving yields, physicochemical and functional properties and enhancing biological activities of polysaccharide.
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