黄酮类化合物的细菌降解。一种土壤假单胞菌对紫杉叶素A环的羟基化作用。
The bacterial degradation of flavonoids. Hydroxylation of the A-ring of taxifolin by a soil pseudomonad.
作者信息
Jeffrey A M, Knight M, Evans W C
出版信息
Biochem J. 1972 Nov;130(2):373-81. doi: 10.1042/bj1300373.
Abstract
Cell-free extracts prepared from a Pseudomonas sp. grown on (+)-catechin oxidized taxifolin in the presence of NAD(P)H and molecular oxygen. The enzyme catalysing the reaction was partially purified and shown to be a flavoprotein. The product was identified as 3',4',5,7,8-pentahydroxyflavanonol (dihydrogossypetin).
摘要
从在（+）-儿茶素上生长的假单胞菌属制备的无细胞提取物，在NAD（P）H和分子氧存在下氧化了紫杉叶素。催化该反应的酶被部分纯化，并显示为一种黄素蛋白。产物被鉴定为3'，4'，5，7，8-五羟基黄烷醇（二氢棉黄素）。
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