PURPOSE: A composition containing purple corn extract for suppressing diabetic renal fibrosis is provided to reduce type IV collagen generation and to relieve renal fibrosis. CONSTITUTION: A composition for suppressing diabetic renal fibrosis contains purple corn extract. The purple corn extract is prepared by mixing 100% of purple corn powder with ethanol in a weight ratio of 1:7-10, performing sonication for 20-40 minutes, centrifuging at 2500-3000rpm for 10-20 minutes, collecting supernatant, and concentrating. The composition is manufactured in the form of beverage, powder, concentrate, capsule, and medicine.
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