Application of infrared reflectance spectroscopy to the analysis of milk and dairy products |
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| Authors: | John F Kennedy Charles A White Anthony J Browne |
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| Affiliation: | Research Laboratory for the Chemistry of Bioactive Carbohydrates and Proteins, Department of Chemistry, University of Birmingham, PO Box 363, Birmingham B15 2TT, Great Britain;Buck Scientific Ltd, Litchborough Rural Industrial Estate, Towcester, Northants NN12 8JB, Great Britain |
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| Abstract: | A method for the rapid, simultaneous determination of protein, fat, carbohydrate, non-protein nitrogen and total solids in milk and liquid dairy products by infrared reflectance spectroscopy is presented. The method is calibrated against known standards obtained by conventional, time-consuming wet chemical methods but, once calibrated, can be operated routinely by non-skilled personnel. The method is sensitive and accurate down to 0·5% w/v and can be applied to most liquid samples without any need for prior preparation. |
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