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来自维基百科,自由的百科全书
水蘇糖(英語:Stachyose)是一種四糖,結構式為:半乳糖—半乳糖—葡萄糖—果糖[1],分子式為:C24H42O21。該糖屬於功能性低聚糖,不被人體消化酶完全水解,熱量為1.5-2.4 kcal/g。因而可進入結腸,並被腸道細菌酵解利用。
水蘇糖 | |
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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 | |
識別 | |
CAS號 | 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 |
性質 | |
化學式 | C24H42O21 |
摩爾質量 | 666.578 g·mol⁻¹ |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
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