One look at the ingredients of the sour cream I bought, it contains Skim Milk, Whey, Modified Corn Starch, Cultured Dextrose, Gelatin, Sodium Phosphate, Guar Gum, Carrageenan, Sodium Citrate, Calcium Sulfate and Locust Bean Gum. The synergistic effect like carrageenan and sophora bean gum, xanthan g...