Because the glucose in refined form such as crystalline form or as syrup form is more expensive, glucose in fermentation medium is mostly produced by direct enzymatic conversion of starch.
Decomposition of a chemical compound by reaction with water, such as the dissociation of a dissolved salt or the catalytic conversion of starch to glucose.
水解作用通过与水反应分解一种化学合成物，比如盐水的解析，或淀粉向葡萄糖的催化转变。
3
Trehalose, a novel multifunctional food additive, is at present mainly produced from starch by enzymatic conversion method.