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.
Key Points to Remember. 1  Platelet Rich Plasma (PRP) comes from a patient's own blood. 2  PRP is a concentrated source of growth factors and cellular signaling factors that play a significant role in the biology of healing.