Frazer + Biology
My IGCSE Biology related blog...
February 19, 2012
5.7 understand the role of bacteria (Lactobacillus) in the production of yoghurt
Cow milk is pasteurised to remove harmful bacteria.
The milk sugars are converted into lactic acid
Incubated at 45-46°C
Add lactobacillus (enzyme)
The acid creates acidic condition
Milk proteins solidify to yoghurt
Sunday, February 19, 2012
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