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Optimization of wet extraction of high quality oil-tea camellia seed oil
  
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KeyWord:oil-tea camellia seed  oil-tea camellia seed oil  wet extraction  bioactive component
FundProject:郑州市第三批“智汇郑州*1125聚才计划”创新领军人才项目（郑政2018-45号）;湖南省长株潭标志性工程计划重大创新工程项目（2019XK2002）；长沙理工大学2020年度“双一流”建设项目（CX2020SS82）
Author NameAffiliation
WU Suxi College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha 410114, China 
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Abstract:
      In order to obtain high quality oil-tea camellia seed oil rich in bioactive components, wet extraction method was used to extract oil from oil-tea camellia seed kernel, and the extraction conditions were optimized by response surface methodology. The results showed that the optimal extraction conditions were obtained as follows: water dosage 12%, dosage of oil extraction assistant 1%, extraction temperature 55 ℃ and extraction time 50 min. Under the optimal conditions, the oil extraction efficiency of oil-tea camellia seed kernel was above 86%, and the oil basically contained no solid impurities, and the contents of vitamin E, squalene and sitosterol were as high as 189.0, 221.9, 385.2 mg/kg, respectively, which were higher than the corresponding index values of standard Extra oil-tea camellia seed oil (T/LYCY 001-2020). It provides a new idea for the development of high quality oil-tea camellia seed oil products.
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