Buttinger G, Wenzl T. Validation by collaborative trial of a method for the determination by GC-MS and LC-MS/MS of boar taint marker compounds in pork tissue.
Food Chem X 2020;
6:100083. [PMID:
32211608 PMCID:
PMC7082526 DOI:
10.1016/j.fochx.2020.100083]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/12/2019] [Accepted: 03/01/2020] [Indexed: 11/17/2022]
Abstract
Simultaneous determination of indole, skatole, and androstenone in pork tissue.
Sensorial thresholds are within working ranges of the method.
Choice of sample measurement by GC–MS or LC–MSMS.
Method validation by collaborative trial with participants from 10 countries.
Method performance parameters are compliant with EU legislation on food contaminants.
Meat from male pigs may develop an off-flavour, commonly known as boar taint. Castration of male piglets prevents the potential formation of off-flavour.
In the suggested method, three marker compounds for boar taint (skatole, androstenone and indole) are quantified in pork fat by isotope dilution gas chromatography mass spectrometry (GC–MS) or by isotope dilution liquid chromatography tandem mass spectrometry (LC–MS/MS).
This method was validated by collaborative trial according to ISO 5725-2:1994. The studied concentration ranges included sensorial thresholds. The repeatability relative standard deviation (RSDr) ranges from 3% to 10% and the reproducibility relative standard deviation (RSDR) from 10% to about 30%.
The method has proven to be robust and free from matrix interferences.
The method performance characteristics are compliant with requirements for official control methods in the area of food contaminants; therefore, the method is regarded as fit for its intended purpose.
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