Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Applied Spectroscopy
  • Vol. 66,
  • Issue 5,
  • pp. 538-544
  • (2012)

Direct Determination of Unsaturation Level of Milk Fat Using Raman Spectroscopy

Not Accessible

Your library or personal account may give you access

Abstract

We have demonstrated the potential of visible Raman spectroscopy in combination with chemometric analysis as a fast and simple tool for the determination of the unsaturation level of milk fat. The Raman measurements have been performed directly on liquid milk and on fat extracted from liquid milk. The Raman spectra taken from the extracted fat showed a higher resolution. The spectra directly obtained from the milk samples had some fluorescence background but nevertheless yielded the desired information. For calibration purposes, the iodine value (IV) was determined in all cases in order to evaluate the unsaturation level of the investigated samples. Two separate calibration models have been constructed; one for the milk samples and the second one for the extracted fat. The accuracy of these calibration models was estimated using the root mean square error of calibration and validation (RMSE) and the coefficient of determination (<i>R<sup>2</sup></i>) between actual and predicted values.

PDF Article
More Like This
Evaluation of the changes in human milk lipid composition and conformational state with Raman spectroscopy during a breastfeed

Johanna R. de Wolf, Anki Lenferink, Aufried Lenferink, Cees Otto, and Nienke Bosschaart
Biomed. Opt. Express 12(7) 3934-3947 (2021)

Raman spectroscopy combined with a support vector machine for differentiating between feeding male and female infants mother’s milk

Rahat Ullah, Saranjam Khan, Samina Javaid, Hina Ali, Muhammad Bilal, and Muhammad Saleem
Biomed. Opt. Express 9(2) 844-851 (2018)

Real-time assessment of liver fat content using a filter-based Raman system operating under ambient light through lock-in amplification

Hao Guo, Alexey B. Tikhomirov, Alexandria Mitchell, Ian Patrick Joseph Alwayn, Haishan Zeng, and Kevin C. Hewitt
Biomed. Opt. Express 13(10) 5231-5245 (2022)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved