What is
Butterfat is a triglyceride (a fat) derived from fatty acids such as myristic, palmitic, and oleic acids. Saturated fatty acids: Palmitic acid: 31% Myristic acid: 12% Stearic acid: 11%
  
Soured milk is a food product, distinguished from spoiled milk, and is a general term for milk that has acquired a tart taste, either through the addition of an acid, such as lemon juice or vinegar, or through bacterial fermentation.