What seems to be happening is that bands of cells within each potato tuber are having their starch converted into sugar, and that the sugar caramelises when the tuber is cooked.

看起来，感染这种病后，多条土豆块茎细胞带受到影响，这些细胞的淀粉转化成糖，烹饪时，这些糖就会焦化。

youdao

Hops are added during brewing and after the enzymes of the malt have converted the Starch to the sugar maltose.

酿造过程中，当酶已经把淀粉转化为麦芽糖之后加入酒花。

youdao

Carbohydrates can be converted to energy for consumption, which includes starch.

其中碳水化合物是能量，用来消耗，如淀粉等。

youdao

On a more philosophical level, I love the traditions of spirit distillation, and the fact that there are usually rules, like that Scotch can only be made from barley, and rum from sugarcane, whereas vodka can be made from any ingredient in which starch can be converted to sugar, be it potatoes, wheat, rye, grass, corn, soy beans or whatever the distiller finds laying around.

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