Red rice starter dyeing method for mulberry silk fabric

The invention discloses a red rice starter dyeing method for a mulberry silk fabric. Specifically, the dyeing method comprises the following steps: adding red rice starter and a mordant to water, and adjusting the pH value to 4-5, to obtain a dyeing solution; adding the mulberry silk fabric to the dyeing liquid, dyeing, washing with water, drying, and finally obtaining the dyed fabric, wherein the mordant is a mixed rare earth, comprises 20-30 wt% of lanthanum trioxide and 45-55 wt% of cerium oxide, and has the concentration of 0.2-1.2 g/L. The dyeing method adopts low temperature dyeing, and is conducive to sustainable use of the red rice starter and can reduce energy consumption and water consumption. At the same time, the dyeing method provided by the invention directly adopts the red rice starter for dyeing, overcomes the problems of a culture solution requires to be used in the monascus purpureus dyeing process, simplifies the production process, and improves the process controllability. 本发明公开了种蚕丝织物的红曲红染