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Alpha-human atrial natriuretic polypeptide, method of producing the polypeptide, and diuretic composition containing the polypeptide or hypotensorpræparat
Alpha-human atrial natriuretic polypeptide, method of producing the polypeptide, and diuretic composition containing the polypeptide or hypotensorpræparat
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机译:α-人心房利尿钠多肽,该多肽的生产方法以及含有该多肽或降血压药的利尿剂组合物
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摘要
A vasorelaxant substance obtainable in the beta -component (being fractions 42-45 as shown in Figure 3) resulting from:- extracting human atrium cordis by boiling in acetic acid and homogenising; cooling, homogenising and centrifuging the extract to obtain a supernatant; precipitating impurities from the supernatant, evaporating to dryness and redissolving the residue in acetic acid; defatting, desalting and concentrating the solution; eluting with 1N acetic acid, 2N pyridine solution, and 2N pyridine/acetic acid solution (pH = 5), and selecting the fraction eluted by the 2N pyridine/acetic acid solution; lyophilising said fraction and redissolving the lyophilisate in acetic acid, and gel-filtering the dissolved fraction to provide the fractions as shown in Fig 3.
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