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Functional soluble dietary fiber from ginseng residue: Polysaccharide characterization, structure, antioxidant, and enzyme inhibitory activity
Journal of Food Biochemistry ( IF 3.5 ) Pub Date : 2020-10-18 , DOI: 10.1111/jfbc.13524 Mei Hua 1 , Yinshi Sun 1 , Zijun Shao 1 , Jiaxi Lu 2 , Yushun Lu 1 , Zhengbo Liu 1
Journal of Food Biochemistry ( IF 3.5 ) Pub Date : 2020-10-18 , DOI: 10.1111/jfbc.13524 Mei Hua 1 , Yinshi Sun 1 , Zijun Shao 1 , Jiaxi Lu 2 , Yushun Lu 1 , Zhengbo Liu 1
Affiliation
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Ginseng (Panax ginseng C.A. Meyer) is the most famous edible Chinese herbal medicine. In the present study, soluble dietary fiber of ginseng (ginseng‐SDF, 8.98% content) was extracted from ginseng residue, and its physicochemical characterization, structure, and biological activities were studied. Ginseng‐SDF was an acidic heteropolysaccharide (uronic acid, 4.42% content) rich in protein, amino acids, and mineral elements. Glucose was its main monosaccharide composition (58.03%). Ginseng‐SDF had a porous microstructure, a typical cellulose I structure and a large number of hydroxyl functional groups. These chemical composition and structural characteristics gave ginseng‐SDF a good water solubility (98.56%), oil‐holding capacity (OHC) (3.01 g/g), and biological activities, as the antioxidant activity (13.35 μM TE/g, 105.17 μM TE/g, 54.20 μM TE/g for DPPH, ABTs, and FRAP assays, respectively), glucose diffusion retardation index (GDRI, 33.33%–7.43%), and α‐amylase/α‐glucosidase inhibitory activities (IC50, 6.70 mg/ml, and 4.89 mg/ml, respectively). The results suggested that ginseng residue is a valuable source of functional dietary fiber, and the ginseng‐SDF has a potential use in antioxidant and hypoglycemic foods.
中文翻译：
人参残渣的功能性可溶性膳食纤维：多糖的表征，结构，抗氧化剂和酶抑制活性
人参（人参CA Meyer）是最著名的食用中草药。本研究从人参残渣中提取人参可溶性膳食纤维（人参SDF，含量8.98％），并对其理化特性，结构和生物学活性进行了研究。人参SDF是一种酸性杂多糖（尿酸，含量为4.42％），富含蛋白质，氨基酸和矿物质。葡萄糖是其主要的单糖组成（58.03％）。人参SDF具有多孔的微观结构，典型的I型纤维素结构和大量的羟基官能团。这些化学成分和结构特征赋予人参SDF良好的水溶性（98.56％），持油量（OHC）（3.01 g / g）和生物学活性，以及抗氧化活性（13.35μMTE / g，105.17μM TE / g，对于DPPH，ABT，为54.20μMTE / g，50，6.70毫克/毫升，和4.89毫克/毫升，分别地）。结果表明，人参残渣是功能性膳食纤维的重要来源，人参SDF在抗氧化剂和降血糖食品中具有潜在用途。
更新日期：2020-12-23
中文翻译：
人参残渣的功能性可溶性膳食纤维：多糖的表征，结构，抗氧化剂和酶抑制活性
人参（人参CA Meyer）是最著名的食用中草药。本研究从人参残渣中提取人参可溶性膳食纤维（人参SDF，含量8.98％），并对其理化特性，结构和生物学活性进行了研究。人参SDF是一种酸性杂多糖（尿酸，含量为4.42％），富含蛋白质，氨基酸和矿物质。葡萄糖是其主要的单糖组成（58.03％）。人参SDF具有多孔的微观结构，典型的I型纤维素结构和大量的羟基官能团。这些化学成分和结构特征赋予人参SDF良好的水溶性（98.56％），持油量（OHC）（3.01 g / g）和生物学活性，以及抗氧化活性（13.35μMTE / g，105.17μM TE / g，对于DPPH，ABT，为54.20μMTE / g，50，6.70毫克/毫升，和4.89毫克/毫升，分别地）。结果表明，人参残渣是功能性膳食纤维的重要来源，人参SDF在抗氧化剂和降血糖食品中具有潜在用途。
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