Fig. 3From: Determining the changes in metabolites of Dendrobium officinale juice fermented with starter cultures containing Saccharomycopsis fibuligera FBKL2.8DCJS1 and Lactobacillus paracasei FBKL1.3028 through untargeted metabolomicsPCA score plots for QC samples in the positive ion mode (a) and negative ion mode (b)Back to article page