Chemical found in apples, onions and green tea can help beat blood clots

Chemical found in apples, onions and green tea can help beat blood clots | UPDATED: 06:48 GMT, 9 May 2012 Green tea, being picked here in Shizuoka province, Japan, contains rutin that could help treat several ailments Chemicals found in apples, oranges and onions could prevent blood clots, claim scientists.