A comprehensive quality evaluation method by FT-NIR spectroscopy and chemometric: Fine classification and untargeted authentication against multiple frauds for Chinese Ganoderma lucidum

Screening and quantification of five exogenous adulterants in Ganoderma lucidum(GL) and fine classification of GL from different species and geographic origins by FT-NIR spectroscopy and chemometrics. The right plot indicates the numbers of correctly (diagonal) and wrongly (off-diagonal) predicted objects for each class.141