94. Resveratrol gets all the attention but it is far from the only healthy thing in wine (in fact it is a relatively minor component.) Another class of compounds call oligomeric proanthocyanidins (let’s just call them OPC’s) have a unique mechanism for lowering blood pressure. Researchers at the University of Buenos Aires found that they inhibit an enzyme called Angiotensin Converting Enzyme which contributes to hypertension in many people. Prescription ACE inhibitors are available as well, but who wouldn’t rather drink a glass of red wine? It does have to be red, and it does have to be wine, because OPC’s come almost exclusively from the seeds and alcoholic fermentation is required for extraction.