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Removal of hydroperoxide from soybean oil for injection by silica gel
  
DOI：10.12166/j.zgyz.1003-7969/2020.01.002
KeyWord:soybean oil for injection  silica gel  adsorption  hydroperoxide
FundProject:“十三五”国家重点研发计划（2016YFD040140）；江苏省重点研发计划（BE2018376）
Author NameAffiliation
SHEN Xiaohua FENG Yu SONG Zhihua WANG Xingguo JIN Qingzhe HUANG Jianhua LIU Ruijie WANG Xiaosan CHANG Ming 1.School of Food Science and Technology，Jiangnan University，Wuxi 214122，Jiangsu， China； 2.Grace Davison Discovery Sciences，Shanghai 200031，China 
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Abstract:
      Silica gel was used as adsorbent to remove hydroperoxide from soybean oil for injection. The peroxide value was used as an evaluation index to select the silica gel type and optimize the adsorption process parameters. At the same time, other quality indicators of soybean oil for injection after adsorption by silica gel were evaluated. The optimal adsorption parameters were obtained as follows: using imported silica gel with particle size of 70-200 μm as adsorbent, silica gel dosage 11%, reaction temperature 60 ℃ and reaction time 1.0 h. Under the optimal conditions, the peroxide value, acid value, saponification value, alkaline impurities and unsaponifiable matter of soybean oil for injection after adsorption could meet the national standard of soybean oil for injection.
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