In the developed nations, there are rare cases of deficiency of vitamin B2 since most of the food products with refined carbohydrates contain a good amount of riboflavin. Also, eggs and meat which are also commonly consumed are a good source of vitamin B2.
Blood plasma and serum â Blood plasma, or plasma, is prepared by obtaining a sample of blood and removing the blood cells. The red blood cells and white blood cells are removed by spinning with a centrifuge.
Plasmapheresis is a procedure in which blood. is separated into cells and plasma (liquid). The plasma is removed and replaced with fresh. frozen plasma, a blood product called albumin. and/or a plasma substitute. The procedure. is often referred to as plasma exchange. Plasmapheresis.