Assessment of laser induced breakdown spectroscopy as a tool for analysis of butter adulteration

Journal of Food Composition and Analysis(2018)

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摘要
•Butter adulteration with margarine was successfully determined by using laser induced breakdown spectroscopy (LIBS).•Principal component analysis and partial least squares methods were used for analysis of the collected LIBS data.•Flame atomic absorption spectroscopy and inductively coupled plasma mass spectrometry were used as reference methods of elemental analysis.
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关键词
Food analysis,Food composition,Butter,Margarine,Adulteration,Laser induced breakdown spectroscopy,Chemometrics,Partial least square regression
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