Do not use yogurt machine to make yogurt
Raw materials: you can buy yogurt from the market when the starter, and then use pure milk (the best brand protection, no anti milk) or milk powder (according to a certain proportion of redeployment, the general milk powder: water, =1:8)
In addition you must have insulation equipment, constant temperature at 42 degrees Celsius, the pure milk or milk powder prepared after boiling (to sterilization) cooling to 42 degrees Celsius to 10% (pure yogurt yogurt, fruit flavored or not) for fermentation, fermentation 4-6 hours, according to your taste with sugar, not more than 8%. So sweet and sour yogurt can be made out.
Cool to 42 degrees Celsius, add 10% yogurt (pure yogurt, can not have fruit or seasoning) for fermentation, fermentation for 4-6 hours will be good, you can add sugar according to their own taste, not more than 8%. So sweet and sour yogurt can be made out.
