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.
The first thing I think of when I find soured milk is making cheese. After all, the main ingredient in cheese is milk that's gone bad. You can make cottage cheese by cooking sour milk in a double boiler over simmering water until it begins to whey (when the watery part of milk separates from the curd, or cheese).