Study: Refrigeration effective in preventing E. coli on lettuce, not kale and collards

A study conducted by researchers at the University of Illinois at Urbana-Champaign reveals that while refrigeration helps prevent E. coli contamination in lettuce, it is not effective for kale and collards, commonly known as saag. The study compared the effects of refrigeration on various leafy greens and found that temperature and leaf surface properties play crucial roles in susceptibility to bacterial contamination.

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