Muscadine grape compounds inhibit key SARS-CoV-2 enzyme (IMAGE) North Carolina State University Caption Chemical compounds in muscadine grapes effectively inhibit an important SARS-CoV-2 protease. Credit De-Yu Xie, NC State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.