Results 101 to 110 of about 1,684 (196)
Zhongguo youzhi为高效制备甘油二酯（DAG）油，以山茶油为原料，采用酶法甘油解制备DAG油，探究添加硅胶对甘油进行吸附处理和脂肪酶种类对粗产物中DAG含量的影响，在此基础上通过单因素实验优化基于硅胶吸附甘油的酶法甘油解制备DAG油工艺条件，并采用分子蒸馏对产物进行纯化，测定纯化前后产物脂质组成。结果表明：甘油经硅胶吸附后，Lipozyme RM IM和Lipozyme TL IM在甘油解反应中的催化合成DAG性能显著提升，而Novozym 435的催化合成DAG性能降低，在硅胶吸附后的甘油解体系中，Lipozyme ...
刘帅1,2，刘知勉1，李佳恒1，顾嘉玲1，李厚悦1，王新磊1，苏宇杰1，王小三1LIU Shuai1,2, LIU Zhimian1, LI Jiaheng1, GU Jialing1, LI Houyue1, WANG Xinlei1, SU Yujie1，WANG Xiaosan1
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Química Nova, 2009 Monoacilglycerides and diacilglycerides are produced through lipase-catalyzed glycerolysis of soybean oil using Candida antarctica B in a solvent-free system.
Patricia Bogalhos Lucente Fregolente +4 more
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Glycerol carbonate synthesis via Zn(OBu)2/AlCl2(OBu) initiated-glycerolysis of urea
Chemistry of Inorganic MaterialsGlycerol carbonate (4-hydroxymethyl-1,3-dioxolane-2-one) was efficiently synthesized from glycerolysis of urea initiated by Zn(OBu)2/Al(OBu)Cl2. The zinc-aluminum complex mixture was prepared from zinc chloride (ZnCl2) and aluminum tri-sec-butylate (Al ...
Dita Dwi Andriyani +3 more
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Synthesis Of Triglyceride Based Urethane Macromers And Their Use In Copolymerization [PDF]
, 2015 Tez (Yüksek Lisans) -- İstanbul Teknik Üniversitesi, Fen Bilimleri Enstitüsü, 2006Thesis (M.Sc.) -- İstanbul Technical University, Institute of Science and Technology, 2006Günümüzde yüzey kaplama endüstrisi hızla gelişirken yenilenebilir doğal kaynak ...
Köprülülü, Alev
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Enzyme catalysis with small ionic liquid quantities [PDF]
, 2018 Enzyme catalysis with minimal ionic liquid quantities improves reaction rates, stereoselectivity and enables solvent-free processing. In particular the widely used lipases combine well with many ionic liquids.
Fischer, Fabian +2 more
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BIODIESEL PRODUCTION FROM WASTE ANIMAL FAT USING A NOVEL CATALYST HCA IMMOBILIZED AuNPS AMINE GRAFTED SBA-15 [PDF]
Journal of Engineering Science and Technology, 2018 The fleshings produced during the pre-tanning process in tanneries and animal wastes generated from slaughterhouse are causing serious environmental concern because of improper disposal techniques.
GOKUL RAGHAVENDRA SRINIVASAN +2 more
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Grain & Oil Science and TechnologyMonoglyceride (MAG) is a widely used nonionic surfactant. In this work, an economic and green solid superbase HND-63 was utilized to synthesize monoglyceride, and the independent variables were examined to achieve the highest MAG content.
Keying Jing +3 more
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Transesterification of Palm Olein by Immobilised Microbial Lipases [PDF]
, 1996 Enzymatic transesterification of palm olein in organic solvent was studied. The enzyme was first immobilised to celite, lyophilised for 4 h and then added to a reaction medium composed of water-saturated hexane containing of 10% (w/v) palm olein.
Sidek, Hamidah
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Zhongguo youzhi旨在为国产固定化脂肪酶替代进口脂肪酶酶法制备功能性脂质甘油二酯（DAG）提供参考，采用3种大孔吸附树脂（SA-1、NKA-9、XAD1180）分别对国产黑曲霉脂肪酶（ANL）进行固定化，通过对比不同树脂固定化ANL的效果筛选适宜的固定化载体，在此基础上制备固定化ANL，对其进行扫描电子显微镜（SEM）和傅里叶变换红外光谱（FTIR）表征，并将其用于催化稻米油甘油解反应制备DAG中。采用单因素实验探究底物质量比、反应温度、反应时间以及加酶量对甘油解反应的影响，通过高效液相色谱（HPLC ...
潘骊燕1,2，方慧2，邓媛元2，曾嘉锐2，赵志浩2，刘光2，周鹏飞2，张名位1,2 PAN Liyan1,2, FANG Hui2, DENG Yuanyuan2, ZENG Jiarui2, ZHAO Zhihao2, LIU Guang2, ZHOU Pengfei2, ZHANG Mingwei1,2
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Production of Bio-Based Polyol from Coconut Fatty Acid Distillate (CFAD) and Crude Glycerol for Rigid Polyurethane Foam Applications. [PDF]
Materials (Basel), 2023 Salcedo MLD +12 more
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