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Bleaching process of oil-tea camellia seed oil used for cosmetic base oil
  
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KeyWord:oil-tea camellia seed oil  cosmetic base oil  composite bleaching agents  micronutrient
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GUO Shaohai，LUO Fan，WANG Yaping，etc  
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Abstract:
      The bleaching effect of different bleaching agents on oil-tea camellia seed oil for cosmetic base oil was studied, and the optimal ratio of composite bleaching agents was determined as 7.5% bentonite-25% attapulgite-0.5% activated carbon. The bleaching temperature, bleaching time and amount of composite bleaching agents were studied by single factor experiment and verification experiment. The results showed that the optimal bleaching conditions of oil-tea camellia seed oil for cosmetic base oil were obtained as follows: amount of composite agents 7%- 8%, bleaching time 30-40 min, bleaching temperature 100-110?℃. Under these conditions, the color of bleached oil was less than R01/Y2.5, the contents of micronutrient polyphenols, VE, squalene and sitosterol were 27, 263, 64, 276 mg/kg respectively, the yield was about 92.5%, and the changes of acid value, peroxide value and phosphorus content were small.
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