ingredient 92

trehalose

一種植物醣，對皮膚具有保水劑的效果。自然界的動植物和微生物中廣泛存在的一種雙糖，它是由2個葡萄糖通過 α,α-1,1-糖苷鍵所形成的非還原性糖，按其化學結構可寫成 α-D-吡喃葡萄糖基-(1→1)-α-D-吡喃葡萄糖苷。此外還有α,β-型的新海藻糖和β,β-型的異海藻糖兩種異構體，但在自然界中很少見。生物合成海藻糖是為了儲存能量和吸收水分，用來對抗冰凍和缺水。

A plant sugar, which has the effect of water retaining agent on the skin. A disaccharide widely found in plants and animals and microorganisms in nature, which is passed by two glucose α,α- The non reducing sugar formed by 1,1-glycoside bond can be written according to its chemical structure α- D-pyranoglucosyl - (1 → 1)- α- D-glucopyranoside. And there are α,β- New sea algal sugar and β,β- Type 2 isomers of trehalose are rare in nature. The purpose of the biosynthesis of trehalose is to store energy and absorb water, and to fight against freezing and water shortage.

ref.

cosdna.com

wikipedia.org

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