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Rapid Detection of Adulterated Palm Oil in Camellia Seed Oil by Electronic Tongue

ZHANG Hang,ZHAO Song-lin,CHEN Wei-jun,LI Rui,GUAN Wei   

  1. 1. College of Food Science and Technology, Hainan University, Haikou 570228, China;
    2. Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China;
    3. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710068, China
  • Online:2013-07-25 Published:2013-08-02

Abstract:

In order to distinguish the adulteration of camellia seed oil, traditional chemical methods were used to detect
physical and chemical indicators of camellia seed oil adulterated with 0%, 5%, 10%, 15%, 20% and 100% palm oil. An
electronic tongue system was applied to determine the adulteration of camellia seed oil through principal component
analysis, discriminant factor analysis and similarity analysis. The identification index of principal component analysis map
from ZZ and GA sensors was 87, which could clearly distinguish different adulteration rates of palm oil in camellia seed oil.
The results showed that electronic tongue could be a good and quick method to detect the adulteration of camellia seed oil.
Key words:electronic tongue;camellia seed oil;adulteration;principal component analysis;rapid detection

Key words: electronic tongue, camellia seed oil, adulteration, principal component analysis, rapid detection