Fig. 1

Pigments for three Monascus species for PD agar and PDL cultures. a Monascus species are cultured in PD agar and PDL medium at 30 °C. b 2D clustering of pigment quantities among the three species. c Venn diagram of the pigments observed in PDL culture. Two-letter abbreviations use used for the Venn diagrams: Pi, M. pilosus NBRC 4520; Ru, M. ruber NBRC 4483; Pu, M. purpureus NBRC 4478