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.
Strawberries are a rich source of polyphenols. Polyphenols are chemicals found in plants that are believed to have important health benefits, according to the American Cancer Society. Some evidence exists that polyphenols help prevent health dangers such as cancer, high blood pressure, heart disease and diabetes.oods high in beneficial polyphenols include red cabbage, berries, red and purple grapes, broccoli, radishes, tea and apples. So far, there is no conclusive research about the benefits of polyphenols. Experts advise consuming a balanced diet rich in fruits, beans and vegetables.