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[求助]
幫忙翻譯一簡短的摘要
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本論文主要從脂肪酶產(chǎn)生菌的篩選、菌株的鑒定、發(fā)酵條件的優(yōu)化、脂肪酶在有機(jī)相中的催化等幾方面進(jìn)行了研究。 本論文首先建立了維生素C棕櫚酸酯的高效液相色譜分析方法,從實(shí)驗(yàn)室保藏的產(chǎn)脂肪酶菌株進(jìn)行篩選實(shí)驗(yàn),篩選到能催化酯化維生素C的菌株2株。分別為基因工程菌C. antarctica ZJB09193和野生菌A113,其中C. antarctica ZJB09193能高效催化酯化反應(yīng)合成維生素C棕櫚酸酯。通過對野生菌A113進(jìn)行了菌種鑒定包括形態(tài)學(xué)、生理生化實(shí)驗(yàn)、18S rDNA、系統(tǒng)發(fā)育樹分析,確定該菌株為Yarrowia lipolytica。 |
金蟲 (小有名氣)
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The screening of lipase producing bacterias, identification of the strains, optimization of fermentation conditions and catalyzation of lipase in organic phase are sdudied in this paper. In this study HPLC analysing method for vitamin C palmitate is established. We screened lipase producing strains from those preserved in the laboratory and got two strains that can produce lipase. They are genetic engineering bacteria C. antarctica ZJB09193 and wild bacteria A113 of which the former could catalyze efficiently esterification to produce vitamin C palmitate. Through morphology, physiology and biochemistry experiments, 18srDNA and phylogenesis analysis A113 was identified as Yarrowia lipolytica. |

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