糖类也是碳水化合物，糖类的来源是精制糖——蔗糖，它是一种食品甜味剂、防腐剂和果糖。
Sugars are also carbohydrates, sources of sugars are refined sugar—sucrose, which is a food sweetener and preservative and fruit sugars—fructose.
它是最常见的食品甜味剂和植物中最重要的糖。
It is the most common food sweetener and the most important sugar in plants.
今年Celanese Corp .旗下的一个工厂建成投产，该厂以煤炭为原料生产用于涂料和食品甜味剂的化工产品。
Celanese Corp. opened a plant this year that USES coal-based feedstock to make a chemical used in paints and food sweeteners.
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