Food Chemistry 2000-02-01

Development of a quantitative method for the simultaneous analysis of the boar taint compounds androstenone, skatole and indole in porcine serum and plasma by means of ultra-high performance liquid chromatography coupled to high resolution mass spectrometry.

M Kobayashi, S Shimizu

Index: Food Chem. 187 , 120-9, (2015)

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Abstract

Boar taint is an off-odour occurring while heating meat or fat from boars. A method detecting the three compounds (androstenone, skatole and indole) simultaneously in blood would offer substantial advantages since it would allow monitoring the impact of rearing strategies. Therefore, a UHPLC-HR-Orbitrap-MS analysis method is optimized and validated for the quantification of these compounds in plasma or serum. Sample pre-treatment involved an extraction with diethylether followed by a centrifugal filtration (30 kDa). Limits of detection and quantification varied between 0.5 and 1 μg L(-1) and 2 and 3 μg L(-1) for the three compounds, respectively. Besides, an excellent repeatability (RSD < 7.6%), within-laboratory reproducibility (RSD<10.5%), recovery (87-97%) and linearity (R(2)>0.99) were recorded. Correlations between serum/plasma and fat levels of the boar taint compounds were positive for skatole (r(serum) = 0.39 and r(plasma) = 0.84) and androstenone (r(serum) = 0.73-0.78 and r(plasma) = 0.32-0.80).Copyright © 2015 Elsevier Ltd. All rights reserved.


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