Digestion and Absorption of Protein (continued) Free amino acids absorbed by cotransport with Na + . Dipeptides and tripeptides transported by secondary active transport using a H + gradient to transport them into the cytoplasm. Hydrolyzed into free amino acids and then secreted into the blood. Insert fig.
Substitute an equal amount of sour cream for milk in a recipe. Examine the texture of the sour cream. Adjust the level of shortening or butter in the recipe. Reduce the shortening by 1/2 cup for thick or heavy sour cream or 1/3 cup for thin or light sour cream.
If you're out of cream and using milk as a substitute, you can make up the difference with unsalted butter. Use 2 parts milk to 1 part melted butter, stirred together and added with the remaining wet ingredients.This only works as a baking ingredient, unfortunately.reative Substitutions. If you're substituting milk for cream as a way to bring down the calorie count in your baking, using butter as your substitute isn't the best option. Instead, use an unsaturated oil in place of the melted butter.