An interesting fact about organic grapes is that they are likely to have a higher antioxidant content than conventionally produced wines. As they are grown without fungicides, pesticides and herbicides or anything that protects the grape from bacteria and disease, so they fight for survival by producing more antioxidants. Resveratrol in the case of red grapes and Tyrosol and Hydroxytryrosol in white wines. These are the antioxidants touted to help protect the cardiovascular system and reduce the posssibility of heart attacks.