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.
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: