| 32834-83-6

• 分子结构分类: 有机化合物 - 有机氧化合物
• CAS: 32834-83-6
• 化学式: C₂₉H₅₄O₁₆
• 分子量: 658.738
• InChiKey: LNAZSHAWQACDHT-QSNXXPMISA-N

反应信息

• 作为产物：
  描述：

  mannotriose 、 碘甲烷 在 dimsyl lithium 作用下， 以 二甲基亚砜 为溶剂， 反应 1.0h， 生成
  参考文献：
  名称：

  Chemical properties and antiulcerogenic activity of a galactomannoglucan from Syagrus oleracea

  摘要：

  A galactomannoglucan (GMG) with an estimated weight-average molar mass of 415,000 g/mol was obtained from an aqueous extract of the mesocarp of fruits of Syagrus oleracea (Mart.) Becc. by fraction-ation by Sephacryl S-300 HR and Sephadex G-25. Chemical and spectroscopic studies indicated that GMG has a chain of (1 -> 4)-linked beta-D-rnannopyranosyl residues attached to an initial chain of (1 -> 3)-linked beta-D-galactopyranosyl residues and a terminal chain of (1 -> 4)-linked alpha-D-glucopyranosyl residues which comprised galactose, mannose and glucose in the molar ratio of 30:33:37. Results of the present study indicated that the polysaccharide GMG of S. oleracea significantly inhibited gastric lesions induced by ethanol, showing a gastroprotective property. (C) 2010 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.foodchem.2010.05.066