Chapman is a food safety specialist who studied at the University of Guelph and now is an associate professor at North Carolina State University at Raleigh and he doesn’t wash them.
“I’m following recommendations from a bunch of my who reviewed the literature on cut, bagged, washed, ready-to-eat leafy greens from a few years ago,” Chapman writes on the Barfblog website.
In the abstract, they write:
Chapman said leafy green food safety risks need to be addressed before they get to me; all I can do by washing it again is increase the chance I cross-contaminate the salad precursor in my home.
“My purchasing choice is based in trust that what they are doing, and do it. “But at best, they can only remove 90-99 per cent of what is there with a wash.
“And I can’t do any better,” he wrote.