采用不同培养时间的根霉全细胞脂肪酶催化合成己酸乙酯。
Rhizopus chinensis whole-cell lipases of different culture time were used to catalyzesynthesis of ethyl hexanoate.
本文对脂肪酶酶催化合成月桂酸甘露糖酯的分离纯化作了研究。
The purification and analysis methods were studied for lipase-catalyzed synthesis of lauroyl mannoses.
从固定化和非水介质两方面介绍了脂肪酶催化合成生物柴油的现状。
Current situation of biodiesel synthesis catalyzed by lipase transesterification was introduced from the aspects of enzyme immobilization and non-aqueous media.
综述对脂肪酶催化合成生物表面活性剂工艺路线、反应体系及操作参数。
The technical routes, reaction systems and operational parameters of producing biosurfactants with lipases were described in this review.
异戊酰- L -肉碱的酶催化合成需要选择疏水、极性的溶剂作为反应介质。
To improve significantly the biosynthesis of isovaleryl-L-carnitine catalyzed by lipase needs to select an efficient and suitable reaction medium that is not only polar but also hydrophobic.
对无溶剂体系中脂肪酶催化合成新型油脂抗氧化剂阿魏酸双油酸甘油酯进行了研究。
Using Novozym 435 as catalyst, transesterification of ethyl ferulate(EF)with triolein(TO)to form ferulyl oleins in solvent-free medium was investigated.
与以传统方法制得的类似的酯相比,由象脂肪酶这样的酶催化合成的酯的气味要好得多。
It was also observed that fatty acid esters, synthesized by enzymes such as lipase, often have better odour and flavour characteristics compared to similar esters produced by conventional means.
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。
Compared to conventional chemical synthesis, lipases catalyzed synthesis of lactones is simple, mild and highly productive.
研究了分子筛的添加方式对脂肪酶催化合成甘露糖酯的影响,采用分批添加分子筛甘露糖酯转化率达到60%。
The effect of the addition method of molecular sieves was also studied. And the conversion60% of the lauroyl mannose was achieved by batch addition of molecular sieves.
以AB - 8型树脂固定化酶催化合成反应,分析产物的红外谱图和LC - MS质谱,推测可能有正丁基-葡萄糖苷的生成。
When the AB-8 resin immobilized enzyme was used in the synthesis, by analysing the IR and LC-MS of the product, we may speculate there is butyl-glucoside producing in the reaction.
微生物脂肪酶可以催化酯类化合物的分解、合成和酯交换,因而被广泛应用于食品、精细化工和医药等工业中。
The microbial lipase could be extensively used in food, fine chemistry, and medicine industry because it could catalyze decomposition, synthesis, and exchange of the esters.
目前一种新的研究动向是将两者结合起来用于催化合成反应,这种新型催化方法可以被称作微波辐射-酶耦合催化(MIECC)。
A new trend in organic catalyzing synthesis is to utilize these two strategies simultaneously, which is called microwave irradiation-enzyme coupling catalysis (MIECC).
真菌聚酮合酶在代谢中可催化合成多种具有重要生物学活性的次级代谢物,所以真菌聚酮合酶正逐渐成为药学、食品科学和农学等领域的研究热点。
Fungal polyketide synthases are responsible for the biosynthesis of secondary metabolites such as pigments, mycotoxins, and they are very important in pharmacology, food science and agriculture.
在非水介质中辣根过氧化物酶可以催化酚及芳香胺化合物聚合,脂肪酶和蛋白酶可以催化聚酯的合成。
In nonaqueous solutions, horseradish peroxidase (HRP) can catalyze the polymerization of phenols and aromatic amines. Lipases and proteases can also catalyze polyester synthesis.
本发明涉及一种新型的二元酸酯的制备方法,包括采用固定 化脂肪酶,由二元脂肪酸和一元脂肪醇催化合成二元酸酯的步骤。
The invention relates to a method for preparing a novel diester, which comprises steps of synthesis using immobilization lipase catalyzed by biprotic fatty acid and monohydric fatty alcohol.
用脂肪酶在四氢呋喃中催化合成硬脂酸酯。
The synthesis of fatty acid ethyl ester in THF catalyzed by lipase was studied.
第二部分,用脂肪酶催化l -抗坏血酸与硬脂酸直接酯化合成L -AS。
The second part, synthesized L-AS by a direct esterification from L-ascorbic acid and stearic acid by lipase-catalyzed.
果糖基转移酶是口腔细菌细胞外多糖合成酶之一,它以蔗糖为底物催化合成果聚糖。
Fructosyltransferase is a kind of enzyme, which catalyzes the synthesis of fructan when sucrose is present at environment.
第一部分,脂肪酶在叔丁醇中催化l -抗坏血酸与棕榈酸直接酯化合成L - AP。
The first part, synthesized L-AP by a direct esterification from L-ascorbic acid and palmitic acid by lipase-catalyzed int-butyl alcohol.
第一部分,脂肪酶在叔丁醇中催化l -抗坏血酸与棕榈酸直接酯化合成L - AP。
The first part, synthesized L-AP by a direct esterification from L-ascorbic acid and palmitic acid by lipase-catalyzed int-butyl alcohol.
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