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水杨素的英文

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"水杨素"怎么读用"水杨素"造句

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  • salicin

例句与用法

  • The enzyme had its optimum activity at ph 3 . 5 and 55 and its km for sodium carboxymethyl cellulose at 50 and ph 5 . 0 was 7 . 41mg / ml . sacilin was inhibited the enzyme
    -葡萄糖苷酶与内切-作用,可加速水解羧甲基纤维素钠;内切p ?葡聚糖苷酶对葡萄糖苷酶水解水杨素具有抑制作用。
  • 3 . 2 . 1 . 4 ) which was prepared by precipitation of the water extract of the culture of aspergillus niger with ammonium sulfate and desalted by sephadex g - 25 , and was further fractionated by two steps of deae - toyopearl 650m and one step of poros 20pi chromatography . the other was a p - glucosidase ( ec . 3 . 2 . 1 . 21 ) which was prepared by the above g - 25 fractions and was further fractionated by two steps of deae - toyopearl 650m chromatography . the specific activity of the endoglucanase with sodium carboxymethyl cellulose was estimated to be 433 . 38 hj / mg
    -葡萄糖苷酶对水杨素的比活力为597 . 12iu mg ,并对其专一,不能水解棉花和羧甲基纤维素钠;分子量为117 . 5kda ,加dtt后分子量不变;该组分最适ph和温度分别为4 . 5和70 ,在ph5 . 0 、 50下对水杨素钠的米氏常数km为3 . 73mg ml ,最大反应速度vm为0 . 088mg葡萄糖( ml ? min ) ;与文献中从黑曲霉中分离的-葡萄糖苷酶比较后发现,该组分是一个新的-葡萄糖苷酶。
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