A comparison study on polysaccharides extracted from banana flower using different methods: Physicochemical characterization, and antioxidant and antihyperglycemic activities
文献类型： 外文期刊
作者： Tang, Yayuan 1 ; Wei, Zhen 1 ; He, Xuemei 1 ; Ling, Dongning 1 ; Qin, Miao 1 ; Yi, Ping 1 ; Liu, Guoming 3 ; Li, Li 1 ; Li, Changbao 1 ; Sun, Jian 2 ;
作者机构： 1.Guangxi Acad Agr Sci, Agrofood Sci & Technol Res Inst, 174 East Daxue Rd, Nanning 530007, Peoples R China
2.Guangxi Key Lab Fruits & Vegetables Storage Proc T, 174 East Daxue Rd, Nanning 530007, Peoples R China
3.Guangxi Acad Agr Sci, 174 East Daxue Rd, Nanning 530007, Peoples R China
4.Guangxi Banana Preservat & Proc Res Ctr Engn Techn, 174 East Daxue Rd, Nanning 530007, Peoples R China
关键词： Banana flower polysaccharides; Extraction methods; Physicochemical characterization; Antioxidant activity; Antihyperglycemic activity
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）
ISSN： 0141-8130
年卷期： 2024 年 264 卷
页码：
收录情况： SCI
摘要： This work investigated and compared the physicochemical characteristics, and antioxidant and antihyperglycemic properties in vitro of polysaccharides from a single banana flower variety (BFPs) extracted by different methods. BFPs extracted using hot water (HWE), acidic (CAE), alkaline (AAE), enzymatic (EAE), ultrasonic (UAE) and hot water-alkaline (HAE) methods showed different chemical composition, monosaccharide composition, molecular weight, chain conformation and surface morphology, but similar infrared spectra characteristic, main glycosidic residues, crystalline internal and thermal stability, suggesting that six methods have diverse impacts on the degradation of BFPs without changing the main structure. Then, among six BFPs, the stronger antioxidant activity in vitro was found in BFP extracted by HAE, which was attributed to its maximum uronic acid content (21.67 %) and phenolic content (0.73 %), and moderate molecular weight (158.48 kDa). The highest arabinose and guluronic acid contents (18.59 % and 1.31 % in molar ratios, respectively) and the lowest uronic acid content (14.30 %) in BFP extracted by HWE contributed to its better alpha-glucosidase inhibitory activity in vitro (66.55 %). The data offered theoretical evidence for choosing suitable extraction methods to acquire BFPs with targeted biological activities for applications, in which HAE and HWE could serve as beneficial methods for preparing antioxidant BFP and antihyperglycemic BFP, respectively.
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