Low fat milk is so near neutral, it hardly affects acid load. Anyway, 1% buttermilk is slightly alkalizing. See the Acid-Alkaline Low Fat Milk PRAL List now.
Acid-Alkaline Cottage/Ricotta Cheese PRAL List
Cottage cheese and ricotta are acidic protein foods. So focus on total alkalinity of cheesy meals. See the Acid-Alkaline Cottage/Ricotta Cheese PRAL List now.