期刊
MEASUREMENT SCIENCE AND TECHNOLOGY
卷 26, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-0233/26/12/125103
关键词
electronic nose; perfume; PCA; LDA; k-NN; sensory analysis
The paper presents the practical application of an electronic nose technique for fast and efficient discrimination between authentic and fake perfume samples. Two self-built electronic nose prototypes equipped with a set of semiconductor sensors were employed for that purpose. Additionally 10 volunteers took part in the sensory analysis. The following perfumes and their fake counterparts were analysed: Dior-Fahrenheit, Eisenberg-J'ose, YSL-La nuit de L'homme, 7 Loewe and Spice Bomb. The investigations were carried out using the headspace of the aqueous solutions. Data analysis utilized multidimensional techniques: principle component analysis (PCA), linear discrimination analysis (LDA), k-nearest neighbour (k-NN). The results obtained confirmed the legitimacy of the electronic nose technique as an alternative to the sensory analysis as far as the determination of authenticity of perfume is concerned.
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