Some plant oil had been researched on yellow pigments and citrinin production by Monascus anka mutant MYM2. The results showed that there had obvious effects for olive oil to improve monascus yellow pigments production,when the concentration of olive oil was 0.5g/L,the yellow pigments yield was increased 92.40%. As far as citrinin was concerned,beside of sesame oil,there had obvious elimination effects on citrinin production by Monascus anka mutant MYM2 for ca...