水苏糖

水苏糖英語:)是一种四糖,结构式为:半乳糖—半乳糖—葡萄糖果糖[1],分子式为:C24H42O21。该糖属于功能性低聚糖,不被人体消化酶完全水解,热量为1.5-2.4 kcal/g。因而可进入结肠,并被肠道细菌酵解利用。

水苏糖
IUPAC名
(2R,3R,4S,5R,6R)-2-[(2S,3S,4S,5R)- 3,4-Dihydroxy-2,5-bis(hydroxymethyl) oxolan-2-yl]oxy-6-[ [(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[ [(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6- (hydroxymethyl)oxan-2-yl]oxymethyl] oxan-2-yl]oxymethyl]oxane-3,4,5-triol
识别
CAS号 470-55-3  checkY
PubChem 91455
439531
ChemSpider 388624
SMILES
 
  • C([C@@H]1[C@H]([C@@H]([C@H]
    ([C@H](O1)OC[C@@H]2[C@@H] ([C@@H]([C@H]([C@H](O2)O
    C[C@@H]3[C@@H]([C@@H]([C@H]
    ([C@H](O3)O[C@]4([C@H]
    ([C@@H]([C@H](O4)CO)O)O) CO)O)O)O)O)O)O)O)O)O)O
InChI
 
  • 1/C24H42O21/c25-1-6-10(28)14(32)17(35)21(41-6)39-3-8-11(29)15(33)18(36)22(42-8)40-4-9-12(30)16(34)19(37)23(43-9)45-24(5-27)20(38)13(31)7(2-26)44-24/h6-23,25-38H,1-5H2/t6-,7-,8-,9-,10+,11+,12-,13-,14+,15+,16+,17-,18-,19-,20+,21+,22+,23-,24+/m1/s1
InChIKey UQZIYBXSHAGNOE-XNSRJBNMBB
EINECS 207-427-3
ChEBI 17164
性质
化学式 C24H42O21
666.578 g·mol¹
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

甜度为蔗糖的28%。可从唇形科水苏属植物如地灵罗汉菜中提取。

参考来源

  1. Hanau, Stefania; Almugadam, Shawgi Hago; Sapienza, Eugenia; Cacciari, Barbara; Manfrinato, Maria; Trentini, Alessandro; Kennedy, John. . Carbohydrate Polymer Technologies and Applications. 2020, 1: 100013 [2024-02-02]. doi:10.1016/j.carpta.2020.100013可免费查阅. hdl:11392/2426991可免费查阅. (原始内容存档于2023-08-30)..

延伸阅读

  • Nakakuki, T. Present status and future of functional oligosaccharide development in Japan. Pure and Applied Chemistry 2002, 74, 1245-1251. Article 页面存档备份,存于
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