n. provitamin
...，狐衣酸(vulpinicacid)，维生素(vitamin)C，多糖，麦角甾醇(ergosterol)，γ-麦角甾烯醇(γ-ergostenol)，原维生素(provitamin)D2、D4，24β-甲基胆甾-5，7-二烯-3β-醇(24β-methylcholesta-5，7-dien-3β-ol)，24β-甲基胆甾-7-烯-3β-醇(24β-methylchole...
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维生素D本身不是食品。 它是一种似乎能干扰肿瘤生长的原激素。
Vitamin D isn't a food per se; it is a proto-hormone that seems to interfere with cancer growth.
维生素原一种由身体通过正常新陈代谢过程，将其转化成活跃形式的维生素的前体，比如，胡萝卜素是维生素a的维生素原。
A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene for example is a provitamin of vitamin a.
微孔淀粉对色素、水溶性维生素、油脂的吸附能力远远高于原淀粉。
The adsorption of pigments, soluble vitamins and oils by the micro porous starch was significantly higher than that by the original starch granules.
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