贵州刺梨种子油提取工艺研究及理化性质分析
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摘要
以贵州刺梨种子为原料,出油率为评价指标,对刺梨种子油进行超声提取工艺研究。选择料液比、超声功率、提取时间、提取温度为考察因素,采用正交试验确定最佳提取工艺,并研究了刺梨种子油的理化性质。结果表明,选择石油醚为提取溶剂,刺梨种子油最优提取工艺条件确定为超声功率100 W,料液比1∶12(g:mL),提取时间80 min,提取温度50℃。在此提取条件下,刺梨种子出油率为8.27%。刺梨种子油的理化性质检测结果为酸值1.25 mg KOH/g,过氧化值3.24 mmol/kg,碘值161.2 g/100 g,皂化值177.20 mg KOH/g,相对密度0.924 3,折光系数1.469 7,各项指标均符合NY/T 751—2017《绿色食品食用植物油》中的规定。
With seeds of Guizhou Rosa roxburghii as raw material, oil yield as the evaluation index, extraction technology of R. roxburghii seed oil was researched by ultrasonic extraction. Solid-liquid ratio, ultrasonic power, extraction time and temperature were selected as the investigation factors. The optimum extraction technology was determined by orthogonal experiments. The results showed that taking petroleum ether as solvent,the optimal extraction conditions of R. roxburghii seed oil were as obtained follows: ultrasonic power 100 W, solid-liquid ratio 1:12(ml:g), extraction time 80 min and temperature 50 ℃. Under the extraction conditions, R. roxburghii seed oil yield was 8.27%. The physicochemical properties of R. roxburghii seed oil were tested as follows: acid value 1.25 mg KOH/g, peroxide value 3.24 mmol/kg, iodine value 161.2 g/100 g, saponification value 177.20 mg KOH/g and relative density 0.924 3, refraction coefficient 1.469 7, all indicators met the requirements of NY/T 751-2017 'green food,edible vegetable oil'.
With seeds of Guizhou Rosa roxburghii as raw material, oil yield as the evaluation index, extraction technology of R. roxburghii seed oil was researched by ultrasonic extraction. Solid-liquid ratio, ultrasonic power, extraction time and temperature were selected as the investigation factors. The optimum extraction technology was determined by orthogonal experiments. The results showed that taking petroleum ether as solvent,the optimal extraction conditions of R. roxburghii seed oil were as obtained follows: ultrasonic power 100 W, solid-liquid ratio 1:12(ml:g), extraction time 80 min and temperature 50 ℃. Under the extraction conditions, R. roxburghii seed oil yield was 8.27%. The physicochemical properties of R. roxburghii seed oil were tested as follows: acid value 1.25 mg KOH/g, peroxide value 3.24 mmol/kg, iodine value 161.2 g/100 g, saponification value 177.20 mg KOH/g and relative density 0.924 3, refraction coefficient 1.469 7, all indicators met the requirements of NY/T 751-2017 'green food,edible vegetable oil'.
引文
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[14]范三红,原超,刘艳荣,等.超声波辅助提取南瓜籽油及其脂肪酸组成研究[J].食品科学,2010,31(24):107-110.
[15]苑佳佳,茅林春,任兴晨,等.白苏籽油的超声辅助提取工艺优化及脂肪酸成分分析[J].食品工业科技,2016,37(19):227-231.
[2]孟满,张瑜,林梓,等.不同物理方法处理刺梨果渣理化性质分析[J].食品科学,2017,38(15):171-177.
[3]康志娇,张明,陈华国,等.刺梨渣制备刺梨果醋的工艺优化[J].贵州农业科学,2013,41(8):170-172.
[4]李东,谭书明,刘凯,等.刺梨种子中水解氨基酸的测定分析[J].食品与发酵科技,2015,51(1):70-73.
[5]陈青,陈琳,罗江鸿,等.刺梨籽油脂肪酸的提取及其成分测定[J].甘肃农大学报,2014(2):147-149.
[6]张峻松,张文叶,姚二民,等.刺梨籽油中脂肪酸成分的GC-MS分析[J].中国粮油学报,2007,22(3):85-87.
[7]林非凡,谭竹钧.亚麻籽油中α-亚麻酸降血脂功能研究[J].中国油脂,2012,37(9):44-47.
[8]VALENZUELA R,BARRERA C,AYALA J M,et al.Vegetable oils richin alpha linolenic acid allow a higher accretion of n-3 LCPUFA inthe plasma,liver and adipose tissue of the rat[J].Grasas Y Aceites,2014,65(2):1-8.
[9]YIN Z J,LIU H L,DONG X,et al.Increasing alpha-linolenic acid content in rice bran by embryo-specific expression of omega 3/Delta 15-desaturase gene[J].Mol Breeding,2014,33(4):987-996.
[10]史亚男,王道平,马琳,等.刺梨籽油的脂肪酸组成和抗氧化活性研究[J].山地农业生物学报,2013,32(1):24-28.
[11]张明,陈华国,周欣,等.正己烷提取刺梨籽油中脂肪酸成分的GC-MS分析[J].贵州师范大学学报:自然科学版,2012,30(6):109-112.
[12]王小溪,陈贵林.超声波法提取南瓜籽油的工艺条件优化研究[J].食品科学,2009,30(8):60-63.
[13]刘雷,陈丽娜,陈星.超声波辅助提取油莎豆油脂工艺研究[J].粮油加工,2009(11):40-42.
[14]范三红,原超,刘艳荣,等.超声波辅助提取南瓜籽油及其脂肪酸组成研究[J].食品科学,2010,31(24):107-110.
[15]苑佳佳,茅林春,任兴晨,等.白苏籽油的超声辅助提取工艺优化及脂肪酸成分分析[J].食品工业科技,2016,37(19):227-231.