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Establishment of oil-tea camellia seed oil adulteration model based on characteristic fatty acids and different equivalent carbon of triglycerides
  
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KeyWord:oil-tea camellia seed oil  principal component analysis  fatty acid  triglycerides  adulteration identification model
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ZHOU Bo, FENG Na, LIAO Zepeng，etc  
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Abstract:
      Based on characteristic fatty acid， equivalent carbon number of triglycerides (ECN) and ratios of palmitic acid to stearic acid, oleic acid to stearic acid and linoleic acid to oleic acid, the model of oil-tea camellia seed oil adulterated with palm oil, sunflower seed oil, rice bran oil, soybean oil, peanut oil and cottonseed oil was established by principal component analysis (PCA) and Fisher distinguish analysis method, respectively. The results showed that more than 20% of adulteration amount and kind of adulteration oil could be distinguished accurately, and the accuracy was 96.22%. The research indicated that it was feasible for the adulteration identification model of oil-tea camellia seed oil established by PCA method according to the characteristic fatty acid and different ECN.
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