The effect of pH, light &heat on properties of water soluble monascus pigment was studied.The experiment result provided scientific basis for the development and use of water soluble monascus pigment.

• 本文研究了酸碱度、光和热对水溶性红曲色素性质的影响，其实验结果为水溶性组曲色素的开发和应用提供了科学的依据。