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.
I found out that what makes these plants so gorgeous and healthy are phytochemicals. Plants contain thousands of phytochemicals like lycopene, flavonoids, and others. Studies have found that these compounds may boost the immune system and potentially destroy cancer-forming cells. Read more about polyphenols and heart health . Sources of Phytochemicals