protein

英 ['prəʊtiːn] 美['protin]

CET4TEM4IELTS考研TOEFLCET6中频词核心词汇

复数: proteins;

protein 蛋白质

proto-,原始的，最早的，-ine,化学名词后缀，氨。后拼写变为protein.

protein: protein: [19] The word protein was coined (as French protéine) by the Dutch chemist Mulder in the late 1830s. He based it on late Greek prōteios ‘primary’, a derivative of Greek prótos ‘first’ (see PROTOZOA), the notion being that proteins were substances of ‘primary’ importance to the proper functioning of the body.
protein (n.): 1844, from French protéine, coined 1838 by Dutch chemist Gerhard Johan Mulder (1802-1880), perhaps on suggestion of Berzelius, from Greek proteios "the first quality," from protos "first" (see proto-) + -ine (2).

Originally a theoretical substance thought to be essential to life, further studies of the substances he was working with overthrew this, but the words protein and proteid continued to be used in international work on the matter and also for other organic compounds; the modern use as a general name for a class of bodies arose in German. The confusion became so great a committee was set up in 1907 to sort out the nomenclature, which it did, giving protein its modern meaning and banishing proteid.

1. Too much protein in the diet may advance the ageing process.: 饮食中摄入过量蛋白质可能会加速衰老。

2. Researchers have isolated a new protein from the seeds of poppies.: 研究人员已经从罂粟种子里分离出一种新的蛋白质。

3. Milk products are an excellent source of calcium and protein.: 奶制品富含钙与蛋白质。

4. Protein molecules compose all the complex working parts of living cells.: 活细胞中所有复杂的运行成分都由蛋白质分子构成。