Estimation of B-carotene content in flour using color analysis of reflected light

Leonid E. Dolotov; Yury P. Sinichkin; Svyatoslav V. Tuchin

doi:10.1117/12.753470

20 June 2007 Estimation of &pbeta;-carotene content in flour using color analysis of reflected light

Leonid E. Dolotov, Yury P. Sinichkin, Svyatoslav V. Tuchin

Proceedings Volume 6536, Saratov Fall Meeting 2006: Coherent Optics of Ordered and Random Media VII; 65360X (2007) https://doi.org/10.1117/12.753470
Event: Saratov Fall Meeting 2006, 2006, Saratov, Russian Federation

Abstract

In this study, we present two methods for estimation of &pbeta;-carotene content in flour with use of color analysis of the flour samples. One method is based on the fact that the color parameter "chroma" (the color saturation) in the CIE1976 (L*a*b*) - system can be used as the "yellowness index" of the flour that is proportional to &pbeta;-carotene content in the flour. Another method is based on comparison of the flour diffuse reflection coefficients at 460 nm (absorption band of &pbeta;-carotene) and 650 nm. The value of contrast of absorption band manifestation can be also used as the "yellowness index" of the flour.

Citation Download Citation

Leonid E. Dolotov, Yury P. Sinichkin, and Svyatoslav V. Tuchin "Estimation of &pbeta;-carotene content in flour using color analysis of reflected light", Proc. SPIE 6536, Saratov Fall Meeting 2006: Coherent Optics of Ordered and Random Media VII, 65360X (20 June 2007); https://doi.org/10.1117/12.753470

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KEYWORDS

Absorption

Diffuse reflectance spectroscopy

Chromophores

Statistical analysis

Reflectance spectroscopy

Biological research

Absorbance

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