The results showed that Candida sp.lipase was the best lipase,the mixture of tert -butanol and DMSO (2∶3,vol) was the most suitable media for the reaction,and the appropriate reaction temperature was 30℃.

的催化活性最好国产A片地址一；叔丁醇和DMSO組成的混合溶劑(體積比為2∶3)為最合適的反應(yīng)介質(zhì)久久99国产免费观看99一区；30℃為適宜的反應(yīng)溫度免费一级毛片视频,。

Due to adsorption on kieselguhr, lipase became harder to combine with R-2,4-DP and the reaction rate of hydrolysis decreased. On the other hand, it was easier for S-2,4-DP to get close to the active sites of lipase, so the rate increased.

吸附在硅藻土上的脂肪酶免费AAAA欧美在线观看，與R-2，4-DP結(jié)合更為困難三级中文字幕无码视频，反應(yīng)速率下降黄色视频免费看在线的；而S-2欧美一级精品日韩，4-DP接近酶反應(yīng)中心更加容易级特大黄片视频影院春色，反應(yīng)速率上升97cao在线播放。

Objective To determine the possible role of hepatic lipase and lipoprotein lipase in the pathogenesis of fatty liver.

目的 探討肝脂酶和脂蛋白脂肪酶在脂肪肝發(fā)病中的作用。

Objective: To separate natural bacteria producing high activities lipase from environment, and clone its lipase gene.

目的：從環(huán)境中分離高產(chǎn)脂肪酶的細(xì)菌鸥美性爱操逼视频，并克隆其脂肪酶基因人人干人人爱人人插。

Owing to the abroad application of Candida rugosa lipase in the resolution of racemic aminoacides, the prepared lipase was used in the resolution of phenylglycine and tert-leucine. Through the optimization of the reaction conditions, such as reaction substrate, pH, temperature, ion strength and additives, enantiomeric excesses for phenylglycine and tert-leucine reached 96% and 90.1%, respectively, enantiomeric ratio came up to 28. 9 and 15. 4, respectively.

鑒于該酶廣泛應(yīng)用于手性化合物的拆分研究，本論文中選用了兩種手性氨基酸作為拆分對(duì)象毛片一区二区三区四区播放，通過對(duì)反應(yīng)體系中一系列條件的優(yōu)化国产精品热门Jizz最近更新，包括底物、pH日韩天堂免费视频在线、溫度人人摸'人人操人人、離子強(qiáng)度以及添加物的使用，苯甘氨酸和叔亮氨酸的對(duì)映體過量值分別達(dá)到96%和90.1%中国区第一黄色网，對(duì)映催選擇率分別達(dá)到28.9和15.4久久精品国产字幕AV。

Enzymatic interesterification of palm stearin and soybean oil was carried out by immobilized lipase Lipozyme TL IM. The reaction curve of batch operation was studied. Results showed that the reaction reached blance in 3 h with 5% lipase at 70℃, temperature of 70~90℃ did no remarkable influence on the reaction rate.

進(jìn)行了固定化脂肪酶Lipozyme TL IM催化棕櫚油硬脂和大豆油酶法酯交換的研究，考察了酶法酯交換分批操作的反應(yīng)動(dòng)力學(xué)曲線美国黄色视频黄色视频聊天，發(fā)現(xiàn)5%的加酶量6080新觉伦午夜理论无码、70℃下反應(yīng)，反應(yīng)3 h內(nèi)達(dá)到平衡超碰91成人人做人人爱，反應(yīng)溫度在70~90℃對(duì)反應(yīng)速度無明顯影響最新国产三級片。

The last part of this article emphasis on the mechanism of cichory extract N2. Hepatic lipase, NO and xanthine oxidase are observed in this aspect, and gene expression of hepatic lipase is also detected.

本部分研究觀察了菊苣提取物 N2 對(duì)影響脂質(zhì)代謝的肝脂酶、尿酸代謝的關(guān)鍵酶黃嘌呤氧化酶亚洲爆乳少妇无码激情、一氧化氮的活性和含量无遮无挡爽爽免费视频毛片，還從分子生物學(xué)角度觀察了肝脂酶的基因表達(dá)。

Through screening lipases, lipase Novozym 435 and lipase Alcaligenes sp were found to show higher activity and better enantioselectivity for the resolution of 2-(2-chloro- 1-hydroxyethyl)thiophene. The optimal reaction conditions were finally achieved by further investigating the effects of solvents, temperature, rotation speed and enzyme concentrations.

通過對(duì)不同來源酶的篩選亚洲天堂免费看，找到了Novozym 435和Alcaligenes sp兩種選擇性較好的酶午夜视频www，它們均對(duì)該反應(yīng)具有較高的選擇性和較快的反應(yīng)速度，在此基礎(chǔ)上進(jìn)一步通過對(duì)溶劑jizzjizzxxxx、溫度日韩免费在线综合、搖床轉(zhuǎn)速以及酶用量的篩選，確定了能夠有效拆分2-氯-1-(2-噻吩)-乙醇的較佳反應(yīng)條件91网在线。

Lipase mediates esterification between caproic acid (0.6mol/L) and ethanol (0.6mol/L) in n-heptane at 40℃. The decrease in caproic acid is measured by titration and 1 unit of lipase synthetic activity is defined as 1 μmol caproic acid consumed per min.

在40℃下有色又黄有高潮的免费视频，脂肪酶催化己酸(0.6mol/L)與乙醇(0.6mol/L)在正庚烷中進(jìn)行酯合成反應(yīng)，通過滴定法測(cè)定剩余的己酸欧美福利精品，1個(gè)脂肪酶有機(jī)相合成酶活單位定義為：在測(cè)定條件下每分鐘消耗1μmol己酸的酶量成年人黄色网站AA。

It was increased ethyl hexanoate synthesis substrate concentration mediated by Rhizopus chinensis 2113 whole-cell lipase after improved synthetic activity and optimized reaction condition. The reaction condition were: caproic acid concentration 2.4mol/L, substrate molar concentration ratio 1:1.1, initial water content ≤0.2%, lipase water activity 0.3~0.66, enzyme amount 16%, reaction temperature 30℃, agitation speed 150 r/min.

通過合成酶活的提高及反應(yīng)條件的優(yōu)化，提高了華根霉2113全細(xì)胞脂肪酶催化己酸乙酯合成的反應(yīng)底物濃度日本人男女乱伦发生性关系视频。，其反應(yīng)條件為：己酸濃度為2.4mol/Ljizzjizzjizz亚洲日本；酸醇摩爾濃度比1：1.191国在线精品国内播放；反應(yīng)體系含水量≤0.2%；脂肪酶水活度0.3～0.66www.色棋棋.com；加酶量16%天天看毛片免费TA天天看一区二区三区；反應(yīng)溫度30℃；150r/min振蕩反應(yīng)国产大片精品黄页免费看。