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Published on: January 26, 2014
Characterization of milk properties with a radiative transfer model
Czarena L Crofcheck1, Fred A Payne, M Pinar Mengüç
1University of Kentucky, Lexington 40546-0276, USA. ccrofche@bae.uky.edu
Applied Optics
|April 9, 2002
Summary
This study used a radiative transfer model to analyze light scattering in milk. The model accurately characterized milk properties, showing high sensitivity to fat globule size and distribution.
Area of Science:
- Dairy Science
- Optical Physics
- Food Science
Background:
- Milk composition analysis is crucial for quality control.
- Light-scattering techniques offer non-invasive methods for characterizing milk.
Purpose of the Study:
- To develop and validate a semianalytical radiative transfer model for milk characterization.
- To simulate light backscatter in homogenized milk with varying fat content.
Main Methods:
- Utilized a semianalytical radiative transfer model.
- Simulated light backscatter in milk (0.05-3.2 wt.% fat).
- Input parameters included wavelength, refractive index, and particle density.
Main Results:
- Achieved reasonable model-data fit for lower fat milks by varying wavelength.
- Model sensitivity was highest for particle diameter and size distribution.
- Model showed lower sensitivity to particle number and refractive index.
Conclusions:
- The radiative transfer model effectively characterizes milk optical properties.
- Particle size and distribution are key determinants of light scattering in milk.
- This approach aids in understanding milk composition through optical measurements.
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