在反复批式反应中,固定化脂肪酶连续使用五次,活性仅略微下降。
In the batch reaction, the immobilized lipase can be repeatedly used 5 times, and only a slight decrease in the conversion is found.
综述了在聚合物膜上固定化脂肪酶的方法及脂肪酶膜反应器的应用。
The immobilization of lipases onto polymer membranes and the applications of lipase-membrane bioreactors were reviewed.
研究了地沟油和甲醇在三段式反应器中固定化脂肪酶上合成生物柴油。
The transesterification of waste oils and methanol to biodiesel catalyzed by immobilized Candida lipase in three stages fixed bed reactors was studied.
探讨了有机相中固定化脂肪酶催化肌醇和烟酸合成肌醇烟酸酯的可能性;
The possibility of the inositol nicotinate formation from inositol and nicotinic acid catalyzed by immobilized lipase in organic solvent was explored in this paper.
同时介绍了固定化青霉素酰化酶和固定化脂肪酶在工业催化领域的应用。
The main applications of immobilized penicillin G acylase and lipase in industrial catalysis were introduced as well.
并测定了固定化脂肪酶的催化性能,确定了该固定化酶催化橄榄油水解的最适条件。
The catalytic activity of the entrapped lipase in hydrolysis process of olive oil was investigated and optimal, hydrolysis conditions were determined.
与游离脂肪酶相比较,固定化脂肪酶热稳定性提高了30%,而选择性没有显著变化。
Compared with free lipase, the thermostability(thermal stability) of immobilized lipase was improved(increased) by 30%; however, no significant changes in selectivity was observed.
在乳化反应体系中,对固定化脂肪酶催化菜籽油与甲醇的酯交换反应条件进行了优化。
Optimized the immobilized lipase catalyze transesterification reaction of rapeseed oil with methanol which was in emulsified reaction system.
本文即从这方面着手,开展了固定化脂肪酶催化15—羟基十五烷酸甲酯合成环十五内酯的研究。
So in this research, synthesis of cyclopentadecanolide with Methyl 15-Hydroxy-pentadecanate by immobilized lipase had been studied.
研究了棉纤维膜上高碘酸钠法固定化脂肪酶的工艺条件,并考察了固定化脂肪酶的温度、酸度以及间歇操作稳定性。
The conditions of the lipase immobilized onto cellulose using sodium periodate and the stability of the immobilized lipase was studied.
主要以乌桕脂与硬脂酸甲酯在固定化脂肪酶催化下的酯交换反应作为模型体系研究了无溶剂体系酶催化酯交换反应。
This paper mainly studied the lipase-catalyzed interesterification of Chinese vegetable tallow and methyl stearate to produce cocoa butter equivalent in solvent-free system.
研究结果表明:以碳纤维作为载体固定化脂肪酶或果胶酶时吸附法为最佳固定化方法,所得到的固定化酶活性最高。
The results showed that adsorption method is the best way to immobilize the lipase and pectase on the carbon fibers and obtain the highest activity of immobilized enzyme.
探讨脂肪酶在固定化过程中,几种糖类物质对酶活的保护作用。
To investigate the effects of several saccharides on the stability of immobilized lipase.
用吸附法固定脂肪酶时,膜材料的亲疏水性对固定化酶的量、比活力和活力稳定性等有很大影响。
The difference of hydrophobic and hydrophilic performance of membrane has great effect on the loading, the activity and the stability of lipase immobilized with adsorption.
开发了固定化假丝酵母脂肪酶99 12 5合成棕榈酸异辛酯的工艺。
The synthesis of 2-ethylhexyl palmitate by immobilized lipase candida sp. 99-125 was investigated.
本发明还公开了一种上述固定化猪胰脂肪酶载体的制备方法和应用。
The invention also discloses a preparation method and application of the immobilized porcine pancreatic lipase carrier.
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.
T300级碳纤维为载体的载酶量与固定化酶活力的相关研究,说明以T300级碳纤维作为载体能提高脂肪酶的利用率。
The investigations of the enzyme content and immobilized enzyme activities of T300 carbon fiber carrier indicated that the T300 carbon fiber carrier can enhance the utilization of the lipase.
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.
固定化假丝酵母(Candidasp .) -9脂肪酶催化脂肪酸和不同聚合度的乙二醇形成酯。
Immobilized lipase from Candida sp. 9 on trueran was used to catalyze fatty acids and polyethylene glycols (PEGs) to form the corresponding esters.
固定化假丝酵母(Candidasp .) -9脂肪酶催化脂肪酸和不同聚合度的乙二醇形成酯。
Immobilized lipase from Candida sp. 9 on trueran was used to catalyze fatty acids and polyethylene glycols (PEGs) to form the corresponding esters.
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