酯酶

In this paper, the catalytical esterification of palmitic acid with 1 hexadecanol by lipase immobilized by microemulsion base organo gel that consisted of bis (2 ethylhexyl)sodium sulphsuccinate/heptane/water/gelatin in apolar organic solvent was studied.

研究了以AOT二(2 乙基已基琥珀酸酯磺酸钠/正庚烷/水/明胶组成的反相微乳凝胶固定化脂肪酶，在有机溶剂中催化棕榈酸和十六醇的酯化反应。

Starch esterification was proceeded with native cassava starch and three saturated free fatty acids: capric acid (C10:0), myristic acid (C14:0) and stearic acid (C18:0). The fatty acid modified starch was prepared by using lipase PS as the catalyst.

中文摘要本研究以天然树薯淀粉为反应基质，与三种不同链长饱和脂肪酸羊蜡酸(C10：0、肉豆蔻酸(C14：0)与硬脂酸(C18：0)分别於水相及有机相行酯化反应，并且以工业中常用的脂肪水解酶lipase PS催化酯键合成，可得脂肪酸修饰淀粉(fatty acid modified starch， FAMS)。

A mold strain producing ethyl caproate esterifying enzyme was isolated from Luzhou-flavor Daqu and it was identified as aspergillus flavus by Biolog microbes automated identification system.

从浓香型大曲中分离得到1株产己酸乙酯酯化酶霉菌，经Biolog微生物自动分析系统鉴定为黄曲霉。

The results showed that the catalase activity was declined after application of high concentrations of Cu and CPM.

当土壤中添加高浓度的铜和氯氰菊酯时，铜和氯氰菊酯的交互作用抑制了土壤过氧化氢酶的活性。

Objective To obtain pyrethroidhydrolyzing esterase gene and analyze the characteristics of it.

目的 筛选新的菊酯农药降解酶基因并了解其特性，为解决食品和环境中的菊酯农药残留问题创造条件。

Objective:To study hydrolysis of vitamin E acetate catalyzed by cholesterol esterase in the reversed micelle systems.

研究了有机相脂肪酶催化合成共轭亚油酸β-谷甾醇酯的工艺条件，同时研究了甾醇酯的分离纯化方法。

The obtained linolenic acid glyceride was flavescent oleaginous liquid with acid val.

采用直接酯化法，以亚麻酸和甘油为原料，以脂肪酶Novozym 435为催化剂在无溶剂体系和有溶剂体系中合成亚麻酸甘油酯。

When substrate molar ratio(ethyl caprylate/fish oil)15∶1 and 10% immobilized Lipozyme RM IM with added 30% water are mixed for 11 h at 45℃ SC-CO_2 and SC-CO_2 pressure 12.5 MPa,the interesterification activity of lipase is most effective and the highest incorporation of caprylic acid with triacylglycerol is obtained.

当反应温度为45℃，底物摩尔比为15∶1，酶用量为底物总量的10%，添加水量为酶量的30%，反应时间为11h，超临界CO2压力为12 5MPa时，脂肪酶LipozymeRMIM的催化效果最好，辛酸结合率在反应产物甘三酯中达最大值。

Acyl-CoA:cholesterol acyltransferase is the only enzyme of cholesteryl ester synthesis in cells,and plays an important role in balance between cells and organisms cholesterol metabolism.

酰基辅酶A：胆固醇酰基转移酶是细胞内惟一合成胆固醇酯的酶，在细胞和生物体胆固醇代谢平衡中起着重要作用。

The activity of Na-K-ATPase, Ca-ATPase and Ca-Mg-ATPase in susceptible and lambda-cyhalothrin resistant strains of beet armyworm, Spodoptera exigua, were determined.

分别测定了甜菜夜蛾Spodoptera exigua敏感和抗高效氯氟氰菊酯品系神经系统Na-K-ATP酶、Ca-ATP酶和Ca-Mg-ATP酶的活力。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。