FOOD SCIENCE ›› 2007, Vol. 28 ›› Issue (7): 356-359.

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Application of Fisher Discriminance to Discriminate Apple Qualities

 LU  Li-Qiang, JIN  Cheng-Guo, MA  Yu-Liang, SONG  Wen-Tong, WANG  Zhi-Hua   

  1. 1.Faculty of Material Science and Chemical Engineering, China University of Geosciences, Wuhan 430074, China ; 2.Faculty of Sciences, Wuhan University of Technology, Wuhan 430070, China
  • Online:2007-07-15 Published:2011-10-24

Abstract: The conductivity, pH and content of five mineral elements, namely K, Zn, Cu, Ca and Mn, were determined in apple samples, involving two kinds, homebred Fuji and imported Gala. The quality of these two kinds of apple was respectively compared. Two, three or five variables were chosen to make Fisher discriminance from the seven variables with the rate of correct discrimination as 87.5%, 100%, 100% in the 40 samples, respectively.

Key words: apple, Fisher discriminance, conductivity, pH, mineral element