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.
Low-Fat Sour Cream. Low-fat sour cream can be used instead of mascarpone cheese, particularly in casserole and sauce recipes. In sweet recipes, low-fat sour cream should be mixed with mascarpone instead of replacing it completely to ensure that the sweetness of the dish is not compromised.