Preparación para hacer yogurt

EXPERIMENT NO. 8 YOGHURT FERMENTATION WITH LACTOBACILLUS CULTURES [1]

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• 2 liters of fresh cow milk
• 1 pot of Yoghurt from WIDAR (full)

2 BATCHES

• 1 without pasteurization > stand 24h
• 2 with pasteurization > stand 3-6h

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  preparing tools and ingredients
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  cow raw milk, yoghurt
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  au bain marie ]]

BATCH 1

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  cook milk 42 degrees
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  add yoghurt starter
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  add cooled milk and stir

BATCH 2

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  cook milk 82 degrees
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  cool down milk 42 degrees
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  add yoghurt starter
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  add cooled milk and stir

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  put on a warm place, batch 1 for 24h, batch 2 for 6h
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  keep the heat