Production, physicochemical characteristics, and in vitro biological activities of polysaccharides obtained from fresh bitter gourd (Momordica charantia L.) via room temperature extraction techniques
文献类型： 外文期刊
作者： Yan, Jing-Kun 1 ; Yu, Yun-Bo 1 ; Wang, Chun 1 ; Cai, Wu-Dan 1 ; Wu, Li-Xia 1 ; Yang, Yan 2 ; Zhang, He-Nan 2 ;
作者机构： 1.Jiangsu Univ, Inst Food Phys Proc, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China
2.Minist Agr, Natl Engn Res Ctr Edible Fungi, Key Lab Edible Fungi Resources & Utilizat South, Shanghai, Peoples R China
3.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai 201403, Peoples R China
关键词： Bitter gourd (Momordica charantia L.); Polysaccharide; Three-phase partitioning; Ultrasonic-assisted extraction; Physicochemical characterization; Biological activity
期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）
ISSN： 0308-8146
年卷期： 2021 年 337 卷
页码：
收录情况： SCI
摘要： In this study, polysaccharides (BPSs) were obtained from fresh bitter gourd (Momordica charantia L.) by room temperature extraction techniques, including three-phase partitioning (TPP) and ultrasonic-assisted extraction (UAE) performed in different solvents. The results showed that the extraction methods had significant influence on the extraction yield, chemical composition, weight-average molecular weight (M-w), monosaccharide composition, preliminary structural characterization and microstructure of the BPSs. The BPS-W sample obtained from the bitter gourd residue via UAE in distilled water had a higher uronic acid content (24.22%) and possessed stronger antioxidant capacities and alpha-amylase and alpha-glycosidase inhibitory activities than BPS-C extracted with UAE in citric acid, BPS-A extracted with UAE in 1.25 mol/L NaOH/0.05% NaBH4, and BPS-J extracted from bitter gourd juice by TPP. Moreover, BPS-A, which had the lowest M(w)s, showed the best bile acid-binding capacity among the four BPSs. This study had great potentials for the preparation of bioactive polysaccharides from fresh vegetables.
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