Plasma is a colorless liquid. It does not contain hemoglobin. It contains protein, sugar, glycerol, amino acid, glucose, organic acid, ester, sterol, triglyceride, urea, uric acid, nitrogen, sodium, calcium, magnesium, potassium, phosphate, hemoxanthin, trihalose, diglyceride, tyrosine, trihalase etc. Dr. Siddiq Publications