Can you still eat it?

Down to Earth - - LIFESTYLE -

THE FIVE sec­ond rule—a pop­u­lar no­tion that food dropped on a sur­face is safe to eat if picked up within five sec­onds—has been de­bunked. A study shows that cross­con­tam­i­na­tion can be­gin in less than a sec­ond. Bac­te­rial trans­fer was af­fected the most by longer con­tact time and high mois­ture in food. The type of sur­face is also a fac­tor. Car­pet, for in­stance, showed very low trans­fer rates as com­pared to stain­less steel and ce­ramic tile. The wet­ter the food, the higher the risk of trans­fer, the study re­ported. Ap­plied and En­vi­ron­men­tal Mi­cro­bi­ol­ogy, Septem­ber 2

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