A liquid chromatography-tandem mass spectrometry method was established for the determination of ingredients of chicken,duck,pork,beef and mutton.A total of 19 characteristic peptides were screened out from 5 kinds of...A liquid chromatography-tandem mass spectrometry method was established for the determination of ingredients of chicken,duck,pork,beef and mutton.A total of 19 characteristic peptides were screened out from 5 kinds of meat,and a liquid chromatography-tandem mass spectrometry method was established for the determination of characteristic peptides.The accuracy of the method was tested by adding duck,pork and chicken with the mass fractions of 0.5%,1%and 5%to mutton,pork and chicken with the mass fractions of 0.5%,1%and 5%to beef,and duck with the mass fractions of 1%,2%and 10%to beef.The results show that the method has high accuracy and stability,and could be used to determine the content of 3 kinds of adulterated meat components in mutton and beef samples.展开更多
基金This work was supported by National Key Research and Development Program of China(2019YFC1606400)Hebei Province High-level Talent Funding Program(A201901008)Research Project of Hebei Administration for Market Regulation(2020ZD12).
文摘A liquid chromatography-tandem mass spectrometry method was established for the determination of ingredients of chicken,duck,pork,beef and mutton.A total of 19 characteristic peptides were screened out from 5 kinds of meat,and a liquid chromatography-tandem mass spectrometry method was established for the determination of characteristic peptides.The accuracy of the method was tested by adding duck,pork and chicken with the mass fractions of 0.5%,1%and 5%to mutton,pork and chicken with the mass fractions of 0.5%,1%and 5%to beef,and duck with the mass fractions of 1%,2%and 10%to beef.The results show that the method has high accuracy and stability,and could be used to determine the content of 3 kinds of adulterated meat components in mutton and beef samples.
