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.
Mexican crema is not really sour cream. Creme Fraiche can be used, and is often recommended, as a substitute for crema. If you read the labels of all the varieties of crema available in Mexican markets in CA you will discover that most of them are actually sour cream of some variant. The Crema Casera from El Mexicano is not sour cream.