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.
A Dr. David Perlmutter, MD, Neurology, answered. Polyphenols are good for health because they are potent antioxidants that quench free radicals; they are found in wine, coffee, tea, and chocolate. Watch neurologist David Perlmutter, MD, discuss why you should include polyphenols in your diet.olyphenols are a group of antioxidant compounds derived from plants -- notably found in coffee -- that can protect our cells and reduce inflammation in the body.