A potato consists mainly of starch.

马铃薯的主要成分是淀粉。

youdao

Sweet potato starch industry brings high concentration organic wastewater, it mainly contain sugar, protein, cellulose and fat etc.

红薯淀粉生产废水是高浓度有机废水，废水中主要含有糖类、蛋白质、纤维素、脂肪等污染物。

youdao

At present, the starch products are mainly used in the field of food processing and pharmaceutical production.

目前该种淀粉产品主要运用于食品加工和药用制作领域。

youdao

For example, food vendors in the main Olympic Park will use compostable packaging made mainly from starch and cellulose-based bio-plastics.

FORBES: London's Olympics Go For Environmental Gold