菠萝蛋白酶

Using 3-APTS-attapulgite as matrix, based on single factor test, the optimum technology conditions for immobilizing bromelin were studied.

方法］以3-APTS-凹凸棒土为基质，在单因素试验的基础上，研究用固定菠萝蛋白酶的最佳工艺条件。

The research aimed to optimize the optimum technology conditions of immobilizing bromelin with attapulgite modified by 3-aminopropyliriethoxysilane.

［目的］确定利用3-氨基丙基三乙氧基硅烷改性凹凸棒土（3-APTS-凹凸棒土）固定菠萝蛋白酶的最佳工艺条件。

Result The immobilization conditions of bromelin were confirmed as follows: crosslinking with 0.4% glutaraldehyde at 38-44℃, pH 6.4, immobilization time of 4.5 h.

结果］确定菠萝蛋白酶固定化的条件为：0.4%戊二醛交联，温度38~44℃，pH值6.4，固定化时间4.5 h，最终产品的酶活为3900U/g，酶活回收率达80%。

The results show that the optimal hydrolysis conditions of these three enzymes were:50℃,pH 8.5, substrate concentration 1:3,enzyme dosage 1200U/g,time 4h for Alcalase; 45℃,pH 8.1, substrate concentration 1:3, enzyme dosage 1200U/g, time 4h for Trypsin;50℃, pH5.5, substrate concentration 1:3, enzyme dosage 1400U/g, time 6h for Bromelin, respectively. The compound enzymes hydrolysis was investigated on the basis of the single enzyme hydrolysis.

利用单因素试验和正交试验分别对这三种酶单独水解牡蛎的条件进行了研究，得出三种酶水解牡蛎的最佳条件分别为Alcalase：温度50℃，pH8.5，料水比1：3，加酶量1200U/g，时间4h；胰蛋白酶：温度45℃，pH8.1，料水比1：3，加酶量1200U/g，时间4h；菠萝蛋白酶：温度50℃，pH5.5，料水比1：3，加酶量1400U/g，时间6h；为牡蛎生物活性肽的开发提供了基础参考数据。

Bromelain could hydrolyze the protein and health products, food, cosmetics, forage, leather industry and so on.

活动规格菠萝蛋白酶能水解蛋白质、保健品、食品、化妆品、饲料、皮革业等。

Are specializing in the production of papaya powder, papain and bromelain of the production enterprises.

美仑生物制品有限公司是专业生产木瓜粉、木瓜蛋白酶和菠萝蛋白酶的生产企业。

Through the experiment, the phase diagrams of SDS and CTAB aqueous mixtures were discussed. The influence of temperature and added salt sodium bromide on the aqueous two-phase regions have been observed.

在选定的实验条件下，SDS/CTAB/H 20双水相体系对菠萝蛋白酶有很好的萃取作用，在成相的两个区间，酶活性回收率均可以达到80%以上。

Analysis of physiochemical properties of denaturalized hydrolyzed gelatin ——emulsify ability and water-solubility properties

398中性蛋白酶和菠萝蛋白酶法制备水解明胶，初步探讨了用酶的组合技术制备小分子量及窄分布水解明胶的可能性。

Bromelain is an enzyme extracted from the stem of the pineapple plant.

菠萝蛋白酶是一种酶提取干的菠萝工厂。

Pineapples are a store house of enzymes and contain bromelain, an enzymes that reduces protein.

菠萝家店是一个含有酵素及菠萝蛋白酶，酶蛋白减少。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。