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    • 8. 发明授权
    • Process for obtaining cholesterol esterase from microorganisms
    • 从微生物获得胆固醇酯酶的方法
    • US4615981A
    • 1986-10-07
    • US663149
    • 1984-10-22
    • Herbert von der EltzHelmgard GauhlHans Seidel
    • Herbert von der EltzHelmgard GauhlHans Seidel
    • C12N9/16C12N9/18C12R1/38
    • C12N9/18Y10S435/874
    • The present invention provides a process for obtaining cholesterol esterase from micro-organisms by culturing a micro-organism capable of forming cholesterol esterase in an appropriate nutrient medium in the presence of an inductor and obtaining the enzyme from the culture liquid and/or from the cells, therein the inductor used is a compound of the general formula: ##STR1## in which R and R.sub.1 are alkyl or alkoxy radicals containing 14 to 18 carbon atoms and R or R.sub.1 can also be a hydrogen atom and R.sub.2 is an alkylamino radical containing 2 to 8 carbon atoms, an alkyl-trimethylammonium radical containing 3 to 8 carbon atoms, an alkylpyridine radical containing up to 4 carbon atoms in the alkyl moiety or a radical of the general formula --CH.sub.2 --(CHOH).sub.n --CH.sub.2 OH, in which n is a whole number of from 1 to 4.
    • 本发明提供从微生物获得胆固醇酯酶的方法,通过在电感器存在下培养能够在合适营养培养基中形成胆固醇酯酶的微生物,并从培养液和/或细胞中获得酶 其中所用的电感是通式为:其中R和R 1为含有14至18个碳原子的烷基或烷氧基的化合物,R或R ​​1也可以是氢原子,R 2是含有2个烷基氨基的化合物 至8个碳原子,含有3至8个碳原子的烷基 - 三甲基铵基团,烷基部分含有至多4个碳原子的烷基吡啶基团或通式-CH 2 - (CHOH)n -CH 2 OH基团,其中n 是从1到4的整数。