â¢ Lychee average yields range from 600 pounds per acre in an âoffâ year to 10,000 pounds per acre in a heavy-bearing year (economic average is 5,000 pounds per acre). With a pack-out of 70 percent and a price of $3 per pound, income from an acre of lychee averages approximately $10,000 (3).
Generally foods contain complex mixtures of polyphenols. According to a 2005 review on polyphenols: The most important food sources are commodities widely consumed in large quantities such as fruit and vegetables, green tea, black tea, red wine, coffee, chocolate, olives, and extra virgin olive oil.
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.