花生酸化油的理化性质测定及脂肪酸组成分析
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摘要
采用气相色谱-质谱联用(GC-MS)的方法分析了花生酸化油的脂肪酸组成,并对其理化性质进行了研究,实验结果显示,花生酸化油的酸值(KOH)为83.45mg·g~(-1),碘值(I2)为97g·(100g)~(-1),皂化值为185.53mg·g~(-1),水分及挥发物含量为1.59%;主要脂肪酸为棕榈酸(14.65%)、硬脂酸(4.45%)、油酸(32.18%)和亚油酸(43.85%),其中不饱和脂肪酸的含量高达79.11%,具有较高的工业应用价值。
Physicochemical properties ofpeanut acidified oil were as follow:Acid value(KOH)83.45 mg·g~(-1),iodine value(I2)97 g·(100 g)~(-1),saponification value(KOH)185.53 mg·g~(-1),content of water and volatile matter 1.59%.Thefatty acid composition of peanut acidified oil was also analyzed by gas chromatography mass spectrometry(GC-MS).Among determined fatty acids,linoleic acid(43.85%)and oleic acid(32.18%)were the highest,followed by palmitic acid(14.65%)and stearic acid(4.45%).The content of unsaturated fatty acid is 79.11%,which has high industrial application value.
Physicochemical properties ofpeanut acidified oil were as follow:Acid value(KOH)83.45 mg·g~(-1),iodine value(I2)97 g·(100 g)~(-1),saponification value(KOH)185.53 mg·g~(-1),content of water and volatile matter 1.59%.Thefatty acid composition of peanut acidified oil was also analyzed by gas chromatography mass spectrometry(GC-MS).Among determined fatty acids,linoleic acid(43.85%)and oleic acid(32.18%)were the highest,followed by palmitic acid(14.65%)and stearic acid(4.45%).The content of unsaturated fatty acid is 79.11%,which has high industrial application value.
引文
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[15]GHOSH S.Utilization of acid oils in making valuable fatty products by microbial lipase technology[J].Journal of the A-merican Oil Chemists Society,1995,72(12):1541-1544.
[2]陈权,唐书泽,汪勇.大豆酸化油常压水解制备混合脂肪酸的研究[J].中国油脂,2006,31(10):43-44.CHEN Quan,TANG Shuze,WANG Yong.Study on preparation of mixed fatty acids from soybean acidified oil by atmospheric hydrolysis[J].Chinese Fat,2006,31(10):43-44.
[3]李岩,姜绍通,张晓东,等.菜籽油皂角制备生物柴油工艺的研究[J].太阳能学报,2009,30(2):241-244.LI Yan,JANG Shaotong,ZHANG Xiaodong,et al.Study on preparation of biodiesel from rapeseed oil saponin[J].Journal of Solar Energy,2009,30(2):241-244.
[4]罗惠华,李成秀,汤家焰,等.几种植物油脂酸化油的组成及其浮选性能[J].武汉工程大学学报,2012,34(12):21-22.LUO Huihua,LI Chengxiu,TANG Jiayan,et al.Composition of several vegetable oils acidified oil and its flotation performance[J].Journal of Wuhan Engineering University,2012,34(12):21-22.
[5]TEIXEIRA DA,MOTTA C R D,RIBEIRO C M S,et al.Arapid enzyme-catalyzed pretreatment of the acidic oil of macauba(Acrocomia aculeata)for chemoenzymatic biodiesel production[J].Process Biochemistry,2017,53:188-193.
[6]HEB Q,SHA Y X,REN Y B,et al.Continuous biodiesel production from acidic oil using a combination ofcation-and anionexchange resins[J].Fuel Processing Technology,2015,130:1-6.
[7]温艳转.棉籽酸化油的理化性质及脂肪酸组成分析[J].化学工程与装备,2010(10):39-40.WEN Yanzhuan.Physicochemical properties and fatty acid composition analysis of cottonseed acidified oil[J].Chemical Engineering and Equipment,2010(10):39-40.
[8]黄峥,盛灵慧,马康,等.5种脂肪酸甲酯化方法的酯化效率研究[J].中国油脂,2013,9(38):86-88.HUANG Zheng,SHENG Linghui,MA Kang,et al.Study on esterification efficiency of five fatty acid methyl esterification methods[J].Chinese Fat,2013,9(38):86-88.
[9]王晓飞.大豆酸化油制备生物柴油及其工艺过程模拟[D].西安:西安科技大学,2010.WANG Xiaofei.Preparation of Biodiesel from Soybean Acidified Oil and Its Process Simulation[D].Xi′an:Xi′an University of Science and Technology,2010.
[10]黄大洋,梅亚辉,吴斌.一种利用油脚和/或皂脚生产酸化油的方法:CN,200810093561.5[P].2008-04-24.HUANG Dayang,MEI Yahui,WU Bin.Method for producing acidified oil by using oil foot and/or soap foot:CN,200810093561.5[P].2008-04-24.
[11]林频.我国脂肪酸的生产及主要产品用途[J].福建化工,2005(5):48-49.LIN Pin.Production and main product use of fatty acids in China[J].Fujian Chemical Industry,2005(5):48-49.
[12]林杰.不饱和脂肪酸的生理功能及其应用进展[J].广东化工,2013,40(6):92-93.LIN Jie.Physiological function and application progress of unsaturated fatty acids[J].Guangdong Chemical Industry,2013,40(6):92-93.
[13]DEIVAJOTHI P,MANIENIYAN V,SIVAPRAKASAMS.An impact of ethyl esters of groundnut acid oil(vegetable oil refinery waste)used as emerging fuelin DI diesel engine[J].Alexandria Engineering Journal,2017:1-9.
[14]HU X L,WEI T Y,LIAO A P,et al.Use of acid cation-exchange resin for catalytic conversion of soybean acid oil to biodiesel[J].Journal of Material Cycles and Waste Management,2016,18(1):123-131.
[15]GHOSH S.Utilization of acid oils in making valuable fatty products by microbial lipase technology[J].Journal of the A-merican Oil Chemists Society,1995,72(12):1541-1544.