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学科主题: 物理化学
题名: Structural Characterization of an Arabinogalactan-Protein from the Fruits of Lycium ruthenicum
作者: Peng, Qiang2;  Song, Jingjing3;  Lv, Xiaopeng3;  Wang, Zhongfu3;  Huang, Linjuan3;  Du, Yuguang1
通讯作者: LinjuanHuang ;  杜昱光
关键词: Lycium ruthenicum ;  polysaccharide ;  structure ;  glycoconjugate ;  arabinogalactan-proteins
刊名: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
发表日期: 2012-09-19
DOI: 10.1021/jf302619c
卷: 60, 期:37, 页:9424-9429
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1805
产权排名: 1,1
类目[WOS]: Agriculture, Multidisciplinary ;  Chemistry, Applied ;  Food Science & Technology
研究领域[WOS]: Agriculture ;  Chemistry ;  Food Science & Technology
英文摘要: A water-soluble arabinogalactan-protein (AGP), designated LRGP3, was isolated from the fruits of Lycium ruthenicum Mum Its average molecular weight was 75.6 kDa. Monosaccharide composition analysis revealed that it was composed of rhamnose, arabinose, and galactose in a molar ratio of 1.0:14.9:10.4. Protein accounted for 1.7% of the AGP and was rich in hydroxyproline. On the basis of monosaccharide composition, partial acid hydrolysis, methylation analysis, ESI-MS, and NMR spectroscopy, LRGP3 was characterized as a highly branched polysaccharide with a backbone of (1 -> 3)-linked beta-D-galactopyranosyl residues, many of which were substituted at the O-6 position by galactosyl or arabinosyl groups. The branches ere composed of (1 -> 5)-linked arabinose, (1 -> 2)-linked arabinose, (1 -> 6)-linked galactose, (1 -> 3)-linked galactose, and (1 -> 2,4)-linked rhamnose, and the major nonreducing termini were alpha-L-arabinofuranosyl residues.
关键词[WOS]: POLYSACCHARIDES ;  SPECTROSCOPY ;  WHEAT
语种: 英语
WOS记录号: WOS:000308830500006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117903
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Nat Prod & Glycoconjugate Res Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.NW Univ Xian, Life Sci Coll, Educ Minist, Key Lab Resource Biol & Biotechnol Western China, Xian 710069, Peoples R China

Recommended Citation:
Peng, Qiang,Song, Jingjing,Lv, Xiaopeng,et al. Structural Characterization of an Arabinogalactan-Protein from the Fruits of Lycium ruthenicum[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2012,60(37):9424-9429.
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