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Wednesday, 29 August 2012

7 wonders of the microbe world - food preservation (3/7)

in summary .....

microbes are responsible for producing cheese, bread, yoghurt, beer

other microbes can do us a lot of harm - by contaminating food

so how to preserve food?

- salting, drying, icing, pickling,smoking, fermentation

- or often use extremes of temperature

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