article 4 controlled study 4 Acids 2 Antrodia malicola 2 Basidiomycete 2 Collision-induced dissociation 2 Coriolellus malicola 2 Electrospray ionization mass spectrometry 2 Fungal metabolites 2 Fungi 2 Lactobacillus acidophilus 2 Mass spectrometry 2 Molecular Structure 2 Phosphatidyldiacylglycerols 2 Polyporaceae 2 Quadrupole ion trap mass spectrometry 2 Sn-1 and sn-2 acyl substitution 2 Spectrometry, Mass, Electrospray Ionization 2 Triterpene acids 2 Triterpenes 2 chemical analysis 2 diacylglycerol derivative 2 dissociation 2 drug structure 2 electrospray mass spectrometry 2 extraction 2 fast atom bombardment mass spectrometry 2 fungus culture 2 high performance liquid chromatography 2 ion trap mass spectrometry 2