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    • 4. 发明授权
    • Process for producing tripeptides
    • 生产三肽的方法
    • US06994987B1
    • 2006-02-07
    • US10129471
    • 2000-11-10
    • Naoyuki YamamotoKeita UenoMasahiro Ejiri
    • Naoyuki YamamotoKeita UenoMasahiro Ejiri
    • C12P21/06C12N1/20
    • C12P21/06
    • A process for efficiently, easily and stably producing tripeptides Val-Pro-Pro and Ile-Pro-Pro, which are useful as hypotensive drugs, anti-stress drugs, etc., by an enzymatic method. This process involves the step of cleaving a milk casein-containing material with a proteinase to form an intermediate peptide selected from the group consisting of a peptide containing the sequence Val-Pro-Pro but having no Pro other than this sequence, a peptide containing the sequence Ile-Pro-Pro but having no Pro other than this sequence, and a mixture of these peptides, and then cleaving the intermediate peptide with a peptidase to thereby give at least one of the tripeptides Val-Pro-Pro and Ile-Pro-Pro.
    • 用于通过酶法有效,容易和稳定地产生三肽Val-Pro-Pro和Ile-Pro-Pro的方法,其可用作降压药物,抗压药物等。 该方法包括用蛋白酶切割含有乳酪蛋白的原料的步骤,以形成选自含有Val-Pro-Pro序列但不含该序列的Pro的肽的中间体肽,含有 序列Ile-Pro-Pro但不具有该序列的Pro,以及这些肽的混合物,然后用肽酶切割中间肽,从而得到至少一种三肽Val-Pro-Pro和Ile-Pro- 专业