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Food Chemistry: The amino acid L-citrulline found in the fruit could help athletes avoid muscle soreness after a hard workoutBefore taking a long bike ride on a hot summer day, have some watermelon: The juicy fruit may ward off muscle pains. Researchers report that people who drank watermelon juice before exercising felt less sore the next day than those who drank a pink placebo beverage (J. Agric. Food Chem. 2013, DOI: 10.1021/jf400964r). They also found that cells absorb the presumed active ingredient, L-citrulline, more readily from unpasteurized watermelon juice than from plain water spiked with the compound, suggesting the natural...

Watermelon May Have Viagra-effectDr. Bhimu Patil, director of Texas A&M's Fruit and Vegetable Improvement Center, says watermelon may have Viagra-like effects. (Credit: Image courtesy of Texas A&M University ScienceDaily (July 1, 2008) — A cold slice of watermelon has long been a Fourth of July holiday staple. But according to recent studies, the juicy fruit may be better suited for Valentine’s Day. That’s because scientists say watermelon has ingredients that deliver Viagra-like effects to the body’s blood vessels and may even increase libido. “The more we study watermelons, the more we realize just how amazing a fruit it is in...