Glucose, Grape

OF STARCH SUGAR, n. [Gr. glukus, sweet.] (Chem.) A sugar found in many of the sweet fruits; it is often seen crystallized on dried figs, raisins, . It is also formed from starch, and cellulose or woody fibre, by the action of sulphuric acid. Water containing the T part of sulphuric acid is heated to the boiling-point, and a mixture of starch and water, likewise heated, is allowed to flow gradually in, so as not to lower the temperature. After boiling 1⁄2 hour, chalk is added, to neutralize the acid, and the clear 1