to brew / to make (wine, vinegar, soybean paste etc) by fermentation
红曲
hóng qū
red yeast (so called, although it's actually a mold, not a yeast), a fermentation product created by culturing rice with the mold Monascus purpureus, producing red pigments and bioactive compounds, used in food for its color, as a flavor enhancer, and for its health benefits