Proteins, from which plasma fractions are derived, constitute 7 percent of the plasma (including albumins, which make up about 4 percent of the plasma; globulins, about 3 percent; and fibrinogen, less than 1 percent).
Tujuh persen volume plasma (termasuk albumin, sekitar 4 persen plasma; globulin, sekitar 3 persen, dan fibrinogen, kurang dari 1 persen) adalah protein, yang darinya fraksi plasma diambil.