2h4h1 30052019 2-hour / 4-hour rule 헷갈리지만 꼭 알아두어야 할 RULE 2-hour / 4-hour rule If you’re a food business, using the 2-hour / 4-hour rule is a good way to keep food that’s taken out of the fridge safe. Why use it? The 2-hour/4-hour rule is a good way to make sure potentially hazardous food is safe even if it’s been out of refrigeration. The rule has been scientifically checked and is based on how quickly microorganisms grow in food at temperatures b.. 2021. 6. 19. 이전 1 다음