释义 |
glyc·er·aldehyde \|glisər+\ noun : a sweet crystalline compound that exists in solution as the monomeric dihydroxy aldehyde HOCH2CHOHCHO in dextrorotatory, levorotatory, and racemic forms but in the anhydrous state only as the crystalline dimer C6H12O6, that is formed as an intermediate in carbohydrate metabolism by the breakdown of sugars, that yields glycerol on reduction, and that may be regarded as a triose and the simplest aldose capable of existing in both d- and l-stereoisomeric forms, which serve as reference standards for differentiating the stereoisomeric forms of all other sugars and also of other stereoisomeric compounds — called also glyceric aldehyde, glycerose; compare glucose 1, structural formula |