Pectose exists in the fleshy pulp of unripe fruit;during the process of ripening it changes to pectin;by cooking, pectin is changed to pectosic acid, and by longer cooking to pectic acid.
重合果胶存于
果子
肉浆
,
过程
它变
胶质,
烹饪时胶质变
重合果胶酸。
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