党参中一种新果聚糖的分离与结构鉴定

IF 1.2 4区化学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Journal of Carbohydrate Chemistry Pub Date : 2020-01-01 DOI:10.1080/07328303.2020.1772278

Jiankuan Li , Yan Wang , Xia Zhang , Lingya Cao , Jiaojiao Ji , Qinghong Zheng , Jianping Gao

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引用次数: 8

摘要

摘要果聚糖通常分为两种不同的类型：β-D-呋喃果糖基-（2→1） -连接菊粉和β-D-呋喃果糖基-（2→6） -链接levan。以前，人们发现党参富含菊粉型低分子量果聚糖（<5000 Da）。在本研究中，一种分子量为1.70的新型大分子果聚糖 × 从党参中分离得到103KD，高效凝胶渗透色谱（HPGPC）显示其均一性为单峰，并证实其结构含有一种新型的连接，α-D-呋喃果基-（2→3） -β-D-呋喃果糖基连接，通过1D-和2D核磁共振（NMR）。图形摘要

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Isolation and structural identification of a novel fructan from Radix Codonopsis

Fructans are generally divided into two different types: β-D-fructofuranosyl-(2→1)-linked inulin and β-D-fructofuranosyl-(2→6)-linked levan. Previously, Radix Codonopsis was found to be rich in inulin type of fructans with low molecular weight (<5000 Da). In this study, a novel macromolecular fructan with a molecular weight of 1.70 × 10³ KD was isolated from Radix Codonopsis, and its homogeneity was shown to be a single peak by high performance gel permeation chromatography (HPGPC), and its structure was confirmed to contain a new type of linkage, α-D-fructofuranosyl-(2→3)-β-D-fructofuranosyl linkage, by 1D- and 2D-nuclear magnetic resonance (NMR).

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来源期刊

Journal of Carbohydrate Chemistry 化学-生化与分子生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

1 months

期刊介绍： The Journal of Carbohydrate Chemistry serves as an international forum for research advances involving the chemistry and biology of carbohydrates. The following aspects are considered to fall within the scope of this journal: -novel synthetic methods involving carbohydrates, oligosaccharides, and glycoconjugates- the use of chemical methods to address aspects of glycobiology- spectroscopic and crystallographic structure studies of carbohydrates- computational and molecular modeling studies- physicochemical studies involving carbohydrates and the chemistry and biochemistry of carbohydrate polymers.