trisaccharide Chem.
(traɪˈsækəraɪd)
[f. tri- 5 + L. saccharum sugar + -ide. (Not f. tri- + saccharide.)]
A carbohydrate which on hydrolysis reacts with 2H2O, yielding three molecules of monosaccharides (sugars having the general formula CnH2nOn); e.g. raffinose, C18H32O16, which yields dextrose, fructose, and galactose; gentianose, C18H32O16, which yields fructose and two molecules of dextrose.
| 1910 Armstrong Simple Carbohydrates & Glucosides 49 The best-known trisaccharide is raffinose, which is often found..in the sugar beet. |