a red-pigment-producing Monascus kaoliang
KB9 strain and its three color mutants of red, yellow and white)
on various agar media revealed different
colony and pigment characteristics. Three agar media: MYS, GYP and PDA gave clear cultural
characteristics. Upon varying medium formulas, the wild type and the red mutant showed red
pigmentation, while the yellow and white mutants showed deep orange and white pigmentation,
respectively.