Fig. 4From: Saturation effect and transmembrane conversion of Monascus pigment in nonionic surfactant aqueous solutionIntracellular pigment powder dissolved in different concentrations of nonionic surfactant. a 40 g/L Triton X-100 with different weights of pigment powder. b 0.1 g pigment powder in different concentrations of Triton X-100Back to article page