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脂肪酶催化合成
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  lipase-catalyzed synthesis
     Esterification condition was studied for lipase-catalyzed synthesis of bio-diesel in solvent free system.
     研究了无溶剂体系中固定化脂肪酶催化合成生物柴油的工艺条件,同时研究了生物柴油分离纯化的方法。
短句来源
     Studies on Lipase-Catalyzed Synthesis of Sugar Esters in Non-Aqueous
     非水相脂肪酶催化合成糖酯的研究
短句来源
     Studies on Lipase-catalyzed Synthesis of L-ascorbyl Palmitate in Non-aqueous Phase
     非水相脂肪酶催化合成L-抗坏血酸棕榈酸酯的研究Ⅰ
短句来源
     The Study of Lipase-catalyzed Synthesis of Lauroyl Mannose in Organic Solvent
     有机相脂肪酶催化合成甘露糖酯的研究
短句来源
     Lipase-catalyzed synthesis of β-sitosterol ester with conjugated linoleic acid in organic solvent
     有机相脂肪酶催化合成共轭亚油酸β-谷甾醇酯的研究
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  “脂肪酶催化合成”译为未确定词的双语例句
     Synthesis of 6,6'-Trehaloselaurate Catalyzed by Immobilized Lipase
     固定化脂肪酶催化合成6,6’-海藻糖月桂酸酯
短句来源
     The Study of Synthesizing Structure Lipid Catalyzed by Immobilized Lipase
     固定化脂肪酶催化合成结构脂的研究
短句来源
     A new method of lipase-catalyzed esterification of isoamyl isobutyrate by CCL in the reversed micelle of CTAB/n-hexane and AOT/n-hexane has been reported.
     报道了在 CTAB/正己烷和 AOT/正己烷反胶束体系中 ,CCL脂肪酶催化合成异丁酸异戊酯的新方法 .
短句来源
     Lipase Catalyzed Synthesis of Pentadecanolide from 15-Hydroxypentadecanoic Acid
     15-羟基十五烷酸的脂肪酶催化合成环十五内酯
短句来源
     After 19 consecutive batches, the conversion rate remained 70.2%.
     以正庚烷为介质固定化脂肪酶催化合成生物柴油,采用三次流加甲醇的方式,单批转化率最高达到97.3%,连续反应19批以后转化率仍保持为70.2%。
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  相似匹配句对
     Ester Synthesis in Lipase catalyzed Reactions
     脂肪酶催化合成
短句来源
     Studies of Enzymatic Synthesis of Biodiesel
     脂肪酶催化合成生物柴油的研究
短句来源
     Lipase-catalyzed Synthesis of Monoglycerides
     脂肪酶催化合成脂肪酸甘油酯
短句来源
     Synthesis of caprylic glycerides by immobilized candida sp. lipase
     固定化假丝酵母脂肪酶催化合成辛酸甘油酯
短句来源
     Lipase Catalyzed Biosynthesis of Lactones 
     脂肪酶催化合成内酯化合物的研究
短句来源
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  lipase-catalyzed synthesis
Lipase-catalyzed synthesis of (S)-naproxen ester prodrug by transesterification in organic solvents
      
Optimization of lipase-catalyzed synthesis of sorbitan acrylate using response surface methodology
      
In the presence of bulk water, the lipase-catalyzed synthesis and hydrolysis of insoluble lipid esters occur at the lipid-water interface.
      
The lipase-catalyzed synthesis of ester bonds has been well-documented lately and is of much current commercial interest.
      
Lipase-catalyzed synthesis of regioisomerically pure 1,3-sn-diacylglycerols
      
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Conditions for the esterification of polyethylene glycol 400 (PEG 400 ) with lauric acid by immobilized lipase from Candida sp. 1619 in a solovent free system were investigated. The esterification degree was increased greatly through dehydrating during the reaction and the amount of lauric acid added was more than that of the stoichiometric ones and the yield of product was further improved by fed batch feeding of PEG 400 . In the reaction system that composed of 5 0 mmol lauric acid, 2 5...

Conditions for the esterification of polyethylene glycol 400 (PEG 400 ) with lauric acid by immobilized lipase from Candida sp. 1619 in a solovent free system were investigated. The esterification degree was increased greatly through dehydrating during the reaction and the amount of lauric acid added was more than that of the stoichiometric ones and the yield of product was further improved by fed batch feeding of PEG 400 . In the reaction system that composed of 5 0 mmol lauric acid, 2 5 mmol PEG 400 , 20mg immobilized lipase(200u), 0 2 ml water, at 40℃ shaken for 48h in 100 ml conical flask without plug, the esterification degree of 91% was obtained, when a vacuum was applied to the vessel during the reaction, the esterification degree of 98.9% was reached. When the amount of lauric acid used was increased to 60 mmol, the PEG 400 in reaction system was completely esterified. The recovery yield of product was 95% by hexane extracting and the esterified product was identified as diester by means of TLC.

在无溶剂反应系统中,研究了固定化假丝酵母(Candidasp.)1619脂肪酶催化合成聚乙二醇400(PEG400)月桂酸酯的酯化条件。在反应过程中不断脱水和使月桂酸的量高于化学计量值的方法,使酯化率明显提高。分批补加PEG400使产量进一步增加。在50mmol月桂酸,25mmolPEG400,20mg固定化脂肪酶(200u),02ml水组成的反应体系中,40℃,锥形瓶敞口振荡反应48h,酯化率达91%;在负压条件下反应,酯化率达989%;反应体系中月桂酸的量增加到60mmol时,PEG400完全被酯化。用己烷提取产物的收率为95%,通过薄层色谱鉴定酯化产物为双酯

Lactones derived from hydroxy fatty acids have many applications. Compared to conventional chemical synthesis, lipases catalyzed synthesis of lactones is simple, mild and highly productive. The effects of hydroxy fatty acid chain length, solvents, lipase type and steric factor on the yield and on the distribution of the produced lactones were investigated.

羟基脂肪酸形成的内酯是一类十分有用的化合物。与传统的化学合成法相比,脂肪酶催化合成内酯具有方法简单、反应条件温和和产率高等特点。在脂肪酶催化合成内酯时,对羟基脂肪酸链长度、溶剂效应、脂肪酶选择和立体因素等对于内酯合成的产率以及内酯产物分布的影响进行了研究

In this paper,the properties

论述了脂肪酸单甘油酯的性质和在食品中的用途,介绍了脂肪酶催化合成单甘酯的方法及其研究进展

 
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