MW: 50-1,000 kDa. Purity ≥95%. Background: Chylomicrons are the large triglyceride-rich lipoproteins of enteric origin that carry exogenous triglycerides into the plasma. Circulation of chylomicrons distributes dietary triglyceride to adipose tissue and to muscle. Found in post prandial plasma, chylomicrons generally clear the blood stream in a few hours.