水苏糖
水苏糖(英语:Stachyose)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 | |
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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 ![]() |
PubChem | 91455 439531 |
ChemSpider | 388624 |
SMILES |
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InChI |
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InChIKey | UQZIYBXSHAGNOE-XNSRJBNMBB |
EINECS | 207-427-3 |
ChEBI | 17164 |
性质 | |
化学式 | C24H42O21 |
摩尔质量 | 666.578 g·mol⁻¹ |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
参考来源
编辑- ^ Hanau, Stefania; Almugadam, Shawgi Hago; Sapienza, Eugenia; Cacciari, Barbara; Manfrinato, Maria; Trentini, Alessandro; Kennedy, John. Schematic overview of oligosaccharides, with survey on their major physiological effects and a focus on milk ones. Carbohydrate Polymer Technologies and Applications. 2020, 1: 100013 [2024-02-02]. doi:10.1016/j.carpta.2020.100013 . hdl:11392/2426991 . (原始内容存档于2023-08-30)..
延伸阅读
编辑- 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,存于互联网档案馆)
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