Where To Stream Food Unwrapped Season 14 Episode 4

Jimmy Doherty wants to know why jelly won't set if you add chopped papaya to it. In South Africa, Jimmy discovers that the exotic fruit contains enzymes that can also help tenderise meat. But could they also help the human gut? Jimmy quizzes Holland and Barrett, who sell papaya extract as an after-meal supplement. In Hawaii, Kate Quilton visits America's only tuna auction to find out why some fish have dangerous levels of mercury, while others don't. She also visits a ground-breaking tech...