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The application of wavelength variable selection before partial least squares (PLS) regression to rapidly discriminate the adulteration of apple juice by Fourier transform near-infrared (FT-NIR) was investigated in this study. Successive projections algorithm (SPA) combined with four swarm intelligence optimization algorithms, including genetic algorithm (GA), particle swarm optimization (PSO), group search optimizer (GSO), and firefly algorithm (FA), was applied to extract effective wavelength variables. The results demonstrated that the variable number of SPA-PSO-PLS models was validly improved with a wavelength variable of four. The accuracy of model was satisfactory with the coefficients of determination of prediction (R-p(2) = 0.9986) and good root mean square errors of prediction (RMSEP = 0.0628). The results suggested that SPA combined with swarm intelligence optimization algorithms for wavelength variable selection could rapidly and efficiently discriminate the adulteration of apple juice.
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FOOD ANALYTICAL METHODS
ISSN: 1936-9751
Year: 2017
Issue: 6
Volume: 10
Page: 1965-1971
2 . 2 4 5
JCR@2017
2 . 6 0 0
JCR@2023
ESI Discipline: AGRICULTURAL SCIENCES;
ESI HC Threshold:157
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 23
SCOPUS Cited Count: 28
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3