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KMID : 1024620110310020273
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Food Science of Animal Resources
2011 Volume.31 No. 2 p.273 ~ p.279
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Analysis of Various Honeys from Different Sources Using Electronic Nose
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Hong Eun-Jeung
Park Sue-Jee
Lee Hwa-Jung
Lee Kwang-Geun
Noh Bong-Soo
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Abstract
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Various honeys from different sources were analyzed using an electronic nose based on a mass spectrometer. Various honeys were separated with different mixing ratios. Wild honey and artificial honey were blended at ratios of 100:0, 95:5, 90:10, 85:15, 80:20, 75:25, and 70:30, respectively. Data obtained from the electronic nose were used for discriminant function analysis (DFA). The DFA plot indicated a significant separation of honey from different sources. As the concentration of artificial honey increased, the first discriminant function score (DF1) moved from positive to negative (DF1: r2=0.9962, F=490.6; DF2: r2=0.9128, F=19.44). Furthermore, when acacia honey was mixed with artificial honey and separated with the mixing ratios, the DF scores were: DF1: r2=0.9957, F=396.64; DF2: r2=0.9447, F=29.3. When artificial honey was added to wild honey, it was possible to predict the following equation; DF1= -0.106×(concentration of artificial honey)+0.426 (r2= 0.96). For acacia honey, the DF1= -0.112×(concentration of artificial honey)+0.434 (r2=0.968).
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KEYWORD
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electronic nose, mass spectrometer, artificial honey, wild honey, acacia honey
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