Glycerol and commercial sugar as carbon sources could contribute to the synthesis of free radical scavenger.

混合碳源试验结果表明，蔗糖与甘油搭配，有利于自由基清除剂产量的提高。

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Commercial bioethanol is mostly produced from sugarcane, sugar beet and corn.

商业化生物乙醇主要是利用甘蔗、甜菜和玉米生产的。

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Their banking and commercial interests, along with their 15, 000-acre sugar plantation, made them one of the wealthiest families in the province.

他们的开办的银行和其他商业利益还有他们15000公顷的糖料种植园让他们是这个省中最富有的家庭之一。

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However the document recognises that many children are weaned before the age of six months and advises parents to mash up their own low-salt and low-sugar foods rather than rely on commercial baby foods.

BBC: Vitamin D and weaning advice for new Scottish mothers

Unlike many commercial beekeepers, Mr. Alvarez says he does not feed his bee colonies sugar syrups or artificial pollen.

WSJ: Hector Alvarez: How a Beekeeper Builds Buzz | Creating