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Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy
Moisture content in commercially available milk powder was investigated using near infrared (NIR) diffuse reflectance spectroscopy with an Indian low-cost dispersive NIR spectrophotometer. Different packets of milk powder of the same batch were procured from the market. Forty-five samples with moist...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
2006
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1903454/ https://www.ncbi.nlm.nih.gov/pubmed/17671620 http://dx.doi.org/10.1155/JAMMC/2006/51342 |
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author | Nagarajan, R. Singh, Parul Mehrotra, Ranjana |
author_facet | Nagarajan, R. Singh, Parul Mehrotra, Ranjana |
author_sort | Nagarajan, R. |
collection | PubMed |
description | Moisture content in commercially available milk powder was investigated using near infrared (NIR) diffuse reflectance spectroscopy with an Indian low-cost dispersive NIR spectrophotometer. Different packets of milk powder of the same batch were procured from the market. Forty-five samples with moisture range 4–10% were prepared in the laboratory. Spectra of the samples were collected in the wavelength region 800–2500 nm. Moisture values of all the samples were simultaneously determined by Karl Fischer (KF) titration. These KF values were used as reference for developing calibration model using partial least squares regression (PLSR) method. The calibration and validation statistics are [Formula: see text] , [Formula: see text] , and [Formula: see text] , [Formula: see text]. Five samples of unknown moisture contents were taken for NIR prediction using developed calibration model. The agreement between NIR predicted results and those of Karl Fischer values is appreciable. The result shows that the instrument can be successfully used for the determination of moisture content in milk powder. |
format | Text |
id | pubmed-1903454 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2006 |
record_format | MEDLINE/PubMed |
spelling | pubmed-19034542007-08-01 Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy Nagarajan, R. Singh, Parul Mehrotra, Ranjana J Autom Methods Manag Chem Research Article Moisture content in commercially available milk powder was investigated using near infrared (NIR) diffuse reflectance spectroscopy with an Indian low-cost dispersive NIR spectrophotometer. Different packets of milk powder of the same batch were procured from the market. Forty-five samples with moisture range 4–10% were prepared in the laboratory. Spectra of the samples were collected in the wavelength region 800–2500 nm. Moisture values of all the samples were simultaneously determined by Karl Fischer (KF) titration. These KF values were used as reference for developing calibration model using partial least squares regression (PLSR) method. The calibration and validation statistics are [Formula: see text] , [Formula: see text] , and [Formula: see text] , [Formula: see text]. Five samples of unknown moisture contents were taken for NIR prediction using developed calibration model. The agreement between NIR predicted results and those of Karl Fischer values is appreciable. The result shows that the instrument can be successfully used for the determination of moisture content in milk powder. 2006 /pmc/articles/PMC1903454/ /pubmed/17671620 http://dx.doi.org/10.1155/JAMMC/2006/51342 Text en Copyright © 2006 R. Nagarajan et al. http://creativecommons.org/licenses/by/2.0 This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Nagarajan, R. Singh, Parul Mehrotra, Ranjana Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title | Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title_full | Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title_fullStr | Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title_full_unstemmed | Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title_short | Direct Determination of Moisture in Powder Milk Using Near Infrared Spectroscopy |
title_sort | direct determination of moisture in powder milk using near infrared spectroscopy |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1903454/ https://www.ncbi.nlm.nih.gov/pubmed/17671620 http://dx.doi.org/10.1155/JAMMC/2006/51342 |
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