Statins: These are produced by the yeast Monascus purpureus. Statins have been commercialized as blood-cholesterol lowering agents. It acts competitively inhibiting the enzyme responsible for synthesis cholesterol. Statins, also known as HMG-CoA reductase inhibitors, are a class of lipid-lowering medications that are thought to reduce illness and mortality in those who are at high risk of cardiovascular disease.