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.
PRP is plasma with many more platelets than what is typically found in blood. The concentration of platelets â and, thereby, the concentration of growth factors â can be 5 to 10 times greater (or richer) than usual. To develop a PRP preparation, blood must first be drawn from a patient.