Whey minangka inti alam, bagean cair saka susu seger kang ngiwa liwat saka panggawéan keju.
Butterfat punika triglyceride (lemak) asalé saka asam lemak kayata myristic, palmitic, lan asam oleic. asam kebak lemak: asam Palmitic: 31% asam Myristic: 12% asam stearic: 11%