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Cake day: February 29th, 2024

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  • Pasteurization is only about 75°C for about half a minute. This kills any living bacteria in food. That’s why milk packing has warning on how to store it and how to use it. But if the pack is labeled UHT you have more leeway. UHT is high pressure and temp to get up to 130 to 150°C but for only about 3 to 5 seconds. This kills bacteria spores which can survive boiling at 100°C. Yes really. Like the above bacteria mentioned, only UHT can kill the spores. It evolved so that once the temp and moisture is right the spores breakout like Alien from the egg and start multiplying bacteria immediately, within hours.

    Note that heat cannot deactive the bacteria shit aka toxins. So even though the bacteria colony can be dead when u recook spoilt food, the toxins will still kill you.