水解度

研究了HPAM的分子量、水解度、浓度对所形成冻胶与地层岩石的粘附状态的影响。

The paper studies the effects of molecular weight , degree of hydrolysis and concentration of HPAM on adhesion of jelly and formation rock .

方法采用5因素4水平L16（45）正交试验法，以水解度为考察指标，对影响水解的因素进行研究。

METHOD The technology was studied by orthogonal experimental design with 5 factors and 4 levels ( L16 ( 45 )) with the degree of hydrolysis as the detective marker .

超临界CO2萃取对玉米醇溶蛋白提取率及水解度影响的研究

Study on Affect of Supercritical CO_2 Extracting on Extraction Rate and Hydrolytic Degree of Zein

血管紧张素转化酶抑制活性随着水解度的增加而增加（p0.05）。

The ACE inhibitory activity of PPH increased ( p0.05 ) with the DH .

净电荷数在pH、温度和蛋白质浓度一定的条件下，随水解度的增加成正比例关系增大。

The net charge of EMP with certain PH , temperature and protein concentration is proportional to the DH .

当PH为6.0时，水解度为13.79%，此时出油率最高，为84.3%。

The degree of oil production also reached the peak of 84.3 % when pH was 6.0 , at which the degree of hydrolysis was 13.79 % .

当水解度相同时，Fenton反应生成的Fe（Ⅲ）比一般铁盐具有更强的水解趋势。

Fe (ⅲ) generated from Fenton reaction had a stronger hydrolysis tendency and hydrolyzed more rapidly than that of ferric sulfate .

研究由高分子量、低水解度聚丙烯酰胺为主剂和RF树脂为交联剂的聚合物微凝胶调剖剂溶液的交联反应速度、热稳定性能、流变学特性及其在岩心中的渗流特征。

The paper studies crosslinking reaction rate , thermal stability and rheology property of polymer microgel profile control agent and its percolation feature in core .

首次研究了酶解大豆乳液在石油醚萃取时油脂分配系数的影响因素，实验表明乳液中的固形物浓度，蛋白的水解度，pH值及萃取温度对分配系数有明显影响。

The results showed that the concentration of solid substance in milk , hydrolysis degree of protein , p1-1 value and temperature of enzymatic hydrolyzed soybean milk influenced the distribution coefficient obviously .

因此选用低水解度的HPAM可以提高HPAM溶液的长期热稳定性，把高温水解这一不利因素转化为有利因素。

The long-term thermal stability of HPAM solution would be improved by selecting the low hydrolysis degree HPAM .

在此条件下玉米蛋白的水解度和降解率分别达到19.85%和36.7%，水解8小时，水解产物的平均分子量达到1918，水解24h，水解产物的平均分子量达到1479。

Under these conditions the degradation percentage of the corn gluten meal can reach 36.7 % , while the hydrolysis degree can reach 19.85 % .

随水解度提高，HPAM红外光谱图中羧酸根基团特征吸收峰强度增大。

With the increase of hydrolysis degree , the characteristic absorption peak intensity of carboxylic functional group was also enhanced in HPAM IR spectra .

二价金属离子促进弱凝胶老化，使HPAM的水解度增大，与高价金属离子生成沉淀。

Ageing of WGs promoted by bivalent ions and resulted in enhanced hydrolysis of HPAM which leads to precipitation at the presence of multivalent metal ions .

对于高NH值共聚物，升温使低水解度样品比高水解度样品产生更大的黏度损失。

For the high N__H value copolymers , the viscosity loss of the low hydrolytic degree copolymer is larger than that of high hydrolytic degree copolymer with rise of temperature .

结果表明：当玉米蛋白粉发酵72h时，水解度为16.68%，玉米肽的抗氧化能力最强。

The results indicate that the hydrolysis is 16.68 % when the zein was fermented at 72h and the antioxidant activity of corn peptide is best .

改性后7S球蛋白持水性有明显改善，在水解度为18.43%效果最好。

The capacity of holding water of modified 7S globulin had been greatly improved and come to a head while DH was 18.43 % .

在进行水解度控制实验时取样，分析水解液中氨基氮的含量，计算平均肽链长度，并用高效液相色谱分析水解液中Gln的得率。

The amino nitrogen content and the average amino acid numbers of peptides in hydrolysates were analysed , and the yield of Gln was determined by HPLC .

以水解度（DH）为响应值，设计了四因素（温度、pH值、底物浓度和加酶量）三水平的中心组合响应面试验。

Conditions of enzymatic reaction were determined and optimized . The four factors ( temperature , pH , substrate concentration and rate of enzyme to substrate ) and three levels response surface methods ( RSM ) test were designed .

水解度15.96%时所得水解物对ACE抑制作用最强，IC50为0.125mg/mL。

The hydrolysate with hydrolysis degree of 15.96 % showed the highest inhibitory activity to ACE , and its inhibitory value of IC50 was 0.125mg/mL .

探讨了酶用量、底物浓度、温度、pH值及作用时间对水解度及水解产物对血管紧张素I转换酶（ACE）抑制率的影响，确定了水解珠蛋白的最适工艺条件。

The factors including the ratio of enzyme to substrate , substrate concentration , temperature , pH value and time of reaction affecting the degree of hydrolysis of globin by pepsin and the inhibiting rate on angiotensin-I-converting enzyme ( ACE ) were studied .

研究了不同热处理温度、时间对大豆蛋白酶解液水解度的影响，实验结果表明，大豆分离蛋白经90℃、15min热处理，其水解度可达到20%以上。

The results show that the hydrolysis degree of soybean protein isolate can reach 20 % after it is heated at 90 ℃ for 15 min.

结果表明，随着溶解PAM所用的NaOH浓度增大，PAM的水解度增大，生成的分子内氢键使PAM的特性粘度先增大后减小。

The results indicate that the hydrolysis degree of PAM dissolved in NaOH solution increases with the increase of NaOH concentration and the intrinsic viscosity increases at first and then decreases due to the formation of intramolecular hydrogen bonds .

采用二次和线性模型方程分析水解度和DPPH自由基清除率，结果表明：温度和pH值对水解度和DPPH自由基清除率具有显著影响，pH值的影响尤为显著。

Quadratic and linear model equations were proposed for DH and DPPH radical scavenging activity respectively , and indicated that T and pH had significant effects on both DH and DPPH scavenging activity , and that the pH was the most important variable .

木瓜蛋白酶酶解的最佳酶解条件为：加酶量为3.0%，温度为65℃，pH为7.0，时间为4h，蛋白质水解度为85.3%。

The optimal enzymatic hydrolyzing conditions for papain were E / S 3.0 % , temperature 65 ℃, pH value 7.0 , and 4 hours . The highest degree of protein hydrolysis was 91.3 % and 85.3 % for neutral protease and papain , respectively .

结果表明，酶解的最适条件为：温度45℃，pH70，时间7h，加酶量22%，在该条件下蚌肉蛋白的水解度可达4356%。

The results showed that the optimum conditions were : temperature 45 ℃, pH7.0 , time 7h , and the amout of enzyme 2.6 % . The degree of hydrolysis was 43.56 % .

验证试验表明：该条件下超声波酶解DH为18.39%，比水浴酶解DH的15.29%提高了20.27%，说明超声波能显著提高蛋白酶水解度及水解效率。

It is proven that under this condition , the ultrasonic enzyme DH is 18.39 % , which enhances 20.27 % compared with water bath enzymolysis DH of 15.29 % . It shows that ultrasound can significantly improve the proteinase degree of hydrolysis and hydrolisis efficiency .

综合评价工艺条件以及功能实验结果得出，采用537酸性蛋白酶可以简化工艺，对于水解度为16%的酸性蛋白酶酶解产物，蛋白浓度为1mg/mL时，对ACE的抑制率为71.71%；

The application of 537 acidic protease could simplify the process for the production of bioactive peptides from oyster . For the hydrolysate with a DH of 16 % prepared with 537 acidic protease , the inhibiting rate on ACE was 71.71 % at a protein concentration of 1mg / mL.

确定了抑砂剂中HPAM相对分子质量为（5-8）×106，水解度为5%-15%，HPAM用量为0.4%-1.0%，氟硼酸用量为0.2%-0.4%。

In the agent , molecular weight of HPAM was ( 5-8 )× 106 , hydrolysis degree of HPAM was 5 % - 15 % , amount of HPAM and fluoboric acid was 0.4 % - 1.0 % and 0.2 % - 0.4 % respectively .

实验表明，最佳糖化条件为糖化温度55℃，加糖化酶量3‰，料水比1：4.5，糖化时间180min，可使水解度（DE值）和糖化液中还原糖含量分别达到50.60%和17.40%。

The result showed that : the DE value and the content of dextrose reached 50.60 % and 17.40 % under the optimum conditions of saccharification temperature 55 ℃, the dose of saccharifying enzyme 3 ‰, the ratio of raw materials and water 1 : 4.5 and saccharification time 180 min.

在此最佳条件下，蛋白质的水解度可达31.1%。

Under these conditions the hydrolysis degree could reach 31.1 % .