Several partial least squares (PLS) calibration models were performed on spectra of standards of restored milk measured with two different types of near infrared spectrophotometers (800–1080 nm); the most reliable instrument was chosen using a self-made PLS program, ISCAP, the efficiency of which was evaluated with the Quant2 OPUS program. Then ISCAP was applied to develop and test a method of moisture prediction in milk powder based on diffuse reflection spectra received in a NIR spectrometer (1100–1700 nm) equipped with a remote fibre-optic probe The reference moisture was determined by thermo-gravimetric analysis.
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2.
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3.
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5.
WooY.TerazawaY.ChenJ.Y.IyoC.TeradaF. and KawanoS., “Development of a new measurement unit (MilkSpec-1) for rapid determination of fat, lactose, and protein in raw milk using near-infrared transmittance spectroscopy”, Appl. Spectrosc.56(5), 599–604 (2002). doi: 10.1366/0003702021955150
6.
SasicS. and OzakiY., “Band assignment of near-IR spectra of milk by use of PLS regression”, Appl. Spectrosc.54(9), 1327–1338 (2000). doi: 10.1366/0003702001951002
7.
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8.
BoldyrevN.Y.VinogradovE.A.KalininA.V.KrivtsunV.M. and SadovskyS.V., “Application of two-channel FTIR spectrometer ISD-206 to dairy produce quality control”, in Abstacts of 4-th Winter Simposium “Chemometrics”, 16–21 February, Chernogolovka, Russia, http://rcs.chph.ras.ru/WSC4/index.html, p. 11 (2005).
9.
KalininA.KrasheninnikovV.KrivtsunV. and SadovskyS., “Infrared spectrometers for dairy quality control”, CATALOG of Innovative Projects, N 29, in Proceedings of the 3rd International Conference MEDBIOTECH (Modern Issues of Innovation Activity in Biology and Medicine), Published by JSC “Aviaizdat”, Moscow, (2006).
