Red Rice Yeast Extract CAS No: 75330-75-5 Active Ingredients: Lovastatin Mauve powder. Red yeast rice has been used in ... medicinal substance. Practitioners of Traditional Chinese Medicine use red yeast rice to treat abdominal pain due to stagnant blood ... starch, protein, fiber, sterols, and fatty acids, red yeast rice contains numerous active constituents, including monacolin K, dihydromonacolin, ...