Relative to epinephrine, which is produced and stored primarily in the adrenal glands, norepinephrine is stored in small amounts in adrenal tissue. Its major site of storage and release are the neurons of the sympathetic nervous system (a branch of the autonomic nervous system).
Fruits with high levels of polyphenols include black chokeberries, black elderberries, strawberries, red raspberries, blueberries, plums, and black currants. Cocoa powder, dark chocolate, coffee, tea, and flaxseed meal are also high in polyphenols.
Polyphenols are a large family that includes over 4,000 diverse bioactive compounds widely distributed in plants and their fruits. Polyphenols Benefits. The science of polyphenols foods and their health benefits is at an earlier stage than foods with fiber or omega 3 fats, but what we know is very exciting. Among the many polyphenols benefits, perhaps most important is the strong evidence for their ability to control gene expression, specifically the genes that control inflammation. Polyphenols have been shown to act positively on a number of inflammatory diseases: