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.
Upon completion of your donation, you will be compensated for your time with a reloadable prepaid debit card. We collect your plasma using a process called plasmapheresis.. Plasmapheresis is a special process that separates the plasma from the blood and collects it in a bottle. The uncollected parts of the blood, including red blood cells and white blood cells, are returned to the donor. The return of these cells allows donors to donate plasma up to two times a week.