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.
â¢ Platelet-rich plasma therapy (PRP) involves drawing the patient's blood and spinning it in a. centrifuge to separate out the platelets. The layer of platelet-rich plasma is then injected into the. patient's pathological body part. The platelets release growth factors to promote healing. It is an.