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.
Especially abundant in plant foods, polyphenols and flavonoids may help combat diseases associated with free radicals in the body. Because research into these antioxidants is relatively new, however, their properties and their ability to be absorbed in the body are not yet fully understood. Polyphenols are a class of phytochemicals found in foods like fruits, juices, tea, coffee, red wine, vegetables, cereals, chocolate and dry legumes.