Results 91 to 100 of about 2,705 (213)
旨在为棉籽油硬脂的开发利用提供理论依据,以甲醇钠为催化剂,采用化学酯交换法对棉籽油硬脂进行改性,采用单因素实验考察了反应温度、催化剂添加量、反应时间对酯交换产物滑动熔点(SMP)和20 ℃时的固体脂肪含量(20 ℃-SFC)的影响,对酯交换产物相关指标进行了分析,并研究了脱臭对酯交换产物中环丙烯脂肪酸(CPFA)含量的影响。结果表明:棉籽油硬脂酯交换反应最佳工艺条件为反应温度80 ℃、催化剂添加量0.1%、反应时间30 min,在此工艺条件下酯交换产物的SMP和20 ℃-SFC分别为40.1 ℃和20 ...
侯鹏飞,李利君,杨国龙,杨瑞楠,刘伟HOU Pengfei, LI Lijun, YANG Guolong, YANG Ruinan, LIU Wei
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Structured lipids are modified triacylglycerols to alter the fatty acid composition and/or their distribution into the glycerol molecules, by using enzymatic or chemical methods.
Denise D’Agostini +3 more
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Lipase Production from Bacillus subtilis using various Agricultural waste [PDF]
Lipases was produced by Bacillus subtilis PCSIR NL-38 strain and rape seed oil cake as substrate. Surface fermentation of minimal media in 250ml conical flask under static conditions gave 12.81 U/ml of lipases at 40°C for 48 hours.
Abbas, N. (Naaz) +4 more
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Interesterification is an industrial transformation process aiming to change the physico-chemical properties of vegetable oils by redistributing fatty acid position within the original constituent of the triglycerides.
Valentina Santoro +8 more
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Oleic acid enhancement of Moringa oleifera seed oil by enzymatic transesterification and fractionation [PDF]
Solvent-extracted Moringa oleifera seed oil was transesterified using immobilized lipase (Lipozyme IM 60) (Novozymes Bagsvaerd Denmark) at 1% (w/w) concentration, shaken at 60oC and 200 rpm for up to 24h.
Lai, Oi Ming +4 more
core
Enzymatic synthesis of structured lipids from liquid and fully hydrogenated high oleic sunflower oil
Structured lipids (SL) were synthesized via enzymatic (EI) and chemical interesterification of high oleic sunflower oil (SO) and fully hydrogenated high oleic SO with Lipozyme TL IM (Thermomyces lanuginose) for 3 h at 70°C, 300 rpm.
Marilene D. M. Morselli Ribeiro +5 more
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Rheological, chemical and DSC thermal characteristics of different types of palm oil/palm stearin-based shortenings [PDF]
This study was carried out to evaluate the physical and chemical properties of different types of shortenings, formulated by mixing refined, bleached, and deodorized palm oil and palm stearin (PO:PS) in the following ratios: 100:0, 80:20, 60:40, 50 ...
Ariffin, Abdul Azis +5 more
core
Interpretation of triacylglycerol profiles of palm oil, palm kernel oil and their binary blends [PDF]
The effects of lipase-catalyzed interesterification (IE) on changes in the chemical composition of palm oil (PO), palm kernel oil (PKO) and their binary blends at 3:1, 1:1 and 1:3 (w/w) ratios, using both 1,3 specific Rhizomucor miehei, (Lipozyme™) and ...
Chen, Chit Way +3 more
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The effect of ultrasound pretreatment on some selected physicochemical properties of black cumin (Nigella Sativa) [PDF]
Background In the present study, the effects of ultrasound pretreatment parameters including irradiation time and power on the quantity of the extracted phenolic compounds quantity as well as on some selected physicochemical properties ...
A Jiménez +42 more
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(1S,4R)-4-Hydroxycyclopent-2-enyl-acetate (1), an attractive starting material for the synthesis of prostaglandins, was readily prepared by an enzyme-catalyzed interesterification procedure using acetic anhydride as acylation agent.
Alexander Knoll +5 more
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