Buttermilk.
A great substitute is soy yogurt.
Use the same instructions for making yogurt from milk except substitute buttermilk for the milk.
Yes, we can substitute buttermilk for milk in recipe.
Cultered buttermilk can be substituted by kefir.
what are the physical changes occur in yogurt making
Yes, it depends on what you're making, however because buttermilk is acidic it is generally used in recipes to control the leavening/rising process. A straight substitute of milk is less acidic and will result in overly fluffy pancakes, etc... You can sour regular milk by adding 1 T lemon juice to 1 c milk and let stand for about 5 minutes. You can also substitute plain yogurt. It depends on what you're making but, for baking, buttermilk can generally be subsituted for whole milk.
No, you can substitute buttermilk for milk but not for baking powder.
There are a few things that can be substituted for baby sheep's milk. Powdered buttermilk, powdered calf-milk, canned milk, whipping cream, and full fat Greek yogurt can all be used as a substitute for a baby sheep.
lactate
I have used kefir as a straight substitute for commercial buttermilk in making cakes and biscuits - without any problems. I do not know the chemical differences/siimilarities, though.
Yes, it depends on what you're making, however because buttermilk is acidic it is generally used in recipes to control the leavening/rising process. A straight substitute of milk is less acidic and will result in overly fluffy pancakes, etc... You can sour regular milk by adding 1 T lemon juice to 1 c milk and let stand for about 5 minutes. You can also substitute plain yogurt. It depends on what you're making but, for baking, buttermilk can generally be subsituted for whole milk.