Serum Vitamin A Level Measurement in Slaughtered and Live Cattle Using Multispectral Imaging

Noriko TAKAHASHI; Naoshi KONDO; Nguyen Quoc TUAN; Shoichi MANO; Tomoo SHIIGI; Hiroshi SHIMIZU; Moriyuki FUKUSHIMA; Fumiyuki IWAKI; Osamu WATANABE; Kazuyuki FUKUZONO; Mamoru NAKANO

doi:10.11165/eaef.3.42

Research Paper

Serum Vitamin A Level Measurement in Slaughtered and Live Cattle Using Multispectral Imaging

Noriko TAKAHASHI, Naoshi KONDO, Nguyen Quoc TUAN, Shoichi MANO, Tomoo SHIIGI, Hiroshi SHIMIZU, Moriyuki FUKUSHIMA, Fumiyuki IWAKI, Osamu WATANABE, Kazuyuki FUKUZONO, Mamoru NAKANO

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Keywords: beef quality, multispectrum camera, non-invasive, serum vitamin A

JOURNAL FREE ACCESS

2010 Volume 3 Issue 2 Pages 42-46

DOI https://doi.org/10.11165/eaef.3.42

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Abstract

The optimum wavelength for measuring pupil reflection in order to estimate serum vitamin A level in slaughtered and live cattle was investigated. A multispectrum camera was used to obtain the eye images. The highest coefficient of determination 0.76 between pupil reflection and serum vitamin A level was obtained at 500 nm. Since the photosensitive pigment rhodopsin has a maximum absorption of about 500 nm, the results suggest that 500 nm could be the optimum wavelength for measuring pupil reflection.

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