Quantitative detection of buffalo milk adulteration with cow milk using Fourier transform near infrared spectroscopy

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dc.contributor.authorLapcharoensuk, Ravipat
dc.contributor.authorChaiyanate, Jirapad
dc.contributor.authorWinichai, Supakit
dc.contributor.authorPhetnak, Achiraya
dc.date.accessioned2026-08-06T10:22:54Z
dc.date.available2026-08-06T10:22:54Z
dc.date.issued2019-01-01
dc.description.abstractA near infrared (NIR) spectroscopy model was used to quantitatively detect buffalo milk adulteration with cow milk. Pasteurized buffalo milk samples were purchased from a dairy farm and from a local supermarket. Adulterated milk samples were prepared with ratio of cow milk to buffalo milk at 9 levels of 10:90, 20:80, 30:70, 40:60, 50:50, 60:40, 70:30, 80:20 and 90:10 wt%. Spectra of pure buffalo milk, pure cow milk and adulterated milk samples were recorded by a Fourier transform NIR spectrometer in the wavenumber range of 12500-4000 cm<sup>-1</sup> with resolution of 8 cm<sup>-1</sup>. A NIR spectroscopy quantitative model was developed with partial least square (PLS) regression. The NIR spectroscopy model showed ability to detect adulterated milk as follows: R<inf>val</inf><sup>2</sup> = 0.998, RMSEP = 2.121 wt%, Bias =-0.396 wt% and RPD = 18.1. NIR spectroscopy coupled with PLS algorithm was shown to be an alternative technique to detect buffalo milk adulteration with cow milk in the global dairy industry.
dc.identifier.citationProceedings of SPIE the International Society for Optical Engineering, 11205, 2019
dc.identifier.doi10.1117/12.2541840
dc.identifier.issn0277786X
dc.identifier.other2-s2.0-85077276657
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/9406
dc.sourceProceedings of SPIE the International Society for Optical Engineering
dc.subjectAdulteration
dc.subjectBuffalo milk
dc.subjectCow milk
dc.subjectNear infrared spectroscopy
dc.subjectPartial least square regression
dc.titleQuantitative detection of buffalo milk adulteration with cow milk using Fourier transform near infrared spectroscopy
dc.typeConference Paper

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