Paper spray mass spectrometry and PLS-DA improved by variable selection for the forensic discrimination of beers

• Published in: Analytica chimica acta Vol. 940; pp. 104 - 112
• Main Authors: Pereira, Hebert Vinicius, Amador, Victória Silva, Sena, Marcelo Martins, Augusti, Rodinei, Piccin, Evandro
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 12.10.2016
• Subjects: Ambient ionization; Beer; Beer - analysis; Food and beverage analysis; Forensic analysis; Mass spectrometry; Mass Spectrometry - methods; Paper spray; Partial least squares discriminant analysis; United States; Forensic analysis; Paper spray; Partial least squares discriminant analysis; Food and beverage analysis; Ambient ionization; Mass spectrometry; Beer

Paper spray mass spectrometry (PS-MS) combined with partial least squares discriminant analysis (PLS-DA) was applied for the first time in a forensic context to a fast and effective differentiation of beers. Eight different brands of American standard lager beers produced by four different breweries...