VITAMIN B2

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VITAMIN B2 OR RIBOFLAVIN

Vitamin B2

Vitamin B2, water soluble vitamin, FMN, FAD, Homocysteinemia prevention, metabolism and ATP production

Description :   Riboflavin is a water soluble vitamin belongs to B complex family. It is also known as Vitamin B2.

Article Details    :

Riboflavin is a water soluble vitamin belongs to B complex family. It is also known as Vitamin B2. It plays vital role in performing various important functions of body. It especially helps in cellular respiration (ATP production) by participating in numerous oxidation reduction reactions of body through its coenzyme forms. It also serves various other biochemical functions as well and promotes optimum growth.

Chemistry

  • It contains 6,7-dimethyl isoalloxazine (heterocyclic ring structure) mainly attached to D-ribitol with the help of  nitrogen atom
  • This ribitol is actually an open chain form of ribose sugar with an aldehyde group (CHO) that is reduced to alcohol (CH2OH)
  • It is stable to health, whereas it can be easily destroyed by light. It has seen that exposure of riboflavin to sun light is responsible for converting it into lumiflavin that exerts a yellow fluorescence 
  • Several biochemical substances are identical to riboflavin like lactoflavin (obtained from milk), ovoflavin (found in egg) and hepatoflavin (from liver) but they are structurally different

Coenzymes of riboflavin

  • Flavin mononucleotide or FMN and flavin adenine dinucleotide or FAD are the main two coenzymes of riboflavin
  • FAD is generally formed from FMN by transferring an AMP molecule from ATP

Sources

Riboflavin is naturally present in several foods. Below list will give an overview of food stuffs containing significant amount of riboflavin –

  • Beef
  • Pork
  • Almonds
  • Spinach
  • Eggs
  • Avocado
  • Poultry
  • Tofu (especially fortified tofu)
  • Salmon
  • Whole milk
  • Low fat milk
  • Fermented and non-fermented dairy product
  • Artichokes
  • Asparagus
  • Cayenne
  • Fortified cereals
  • Currants
  • Mushroom
  • Kelp
  • Peas
  • Beans (especially navy beans, lima beans)
  • Pumpkin
  • Parsley
  • Sweet potatoes
  • Cruciferous vegetables
  • Yeast extract
  • Molasses
  • Wheat bran
  • Sage
  • Rosehips

Vitamin B2

Health benefits

Anti-carcinogenic activity

  • It helps to protect the DNA from damages and also helps to stabilize the structure of DNA, which is closely related with reducing the prevalence of cancer
  • It helps to stimulate apoptosis thus helps in suppressing the growth of cancerous cells and tumor cells within body
  • It is very effective for reducing the susceptibility of esophageal cancer and cervical cancer

Role on eye health

  • It plays significant role in promoting eye health and vision
  • Riboflavin consumption is very useful for reducing the risk of developing cataract
  • It helps to stabilize lens of the eye
  • It also helps to prevent keratoconus (a disease of cornea)

Role on maternal health

  • It helps in promoting maternal health and also supports positive pregnancy outcome
  • It is very effective for reducing the prevalence of preeclampsia
  • Consumption of Vitamin B2 along with folic acid and iron help to improve the iron level in pregnant women and also helps to enhance maternal blood volume
  • Mother and babies both require riboflavin as it helps in the development of new blood cells, lining of gastrointestinal tract and skin

Role on preventing homocysteinemia

  • Homocysteine is an amino acid, which acts as building block of protein hence it is required by the body but if the concentration of homocysteine become increased in blood then it causes severe health complications. This condition is known as homocysteinemia (higher level of homocysteine in blood)
  • Homocysteinemia is responsible for increasing the risk of developing coronary artery disease, strokes, heart attacks, Alzheimer’s disease, Parkinson’s disease, dementia, vascular dementia and epilepsy
  • It has seen that consumption of riboflavin significantly reduces the level of homocysteine in blood hence helps to prevent the harmful consequences of homocysteinemia (above mentioned)

Role on preventing migraine

  • It has been extensively used as an effective preventive measure for migraine
  • The causative factor of migraine is considered as imbalances in brain chemicals. Riboflavin plays significant role in overcoming these imbalances as it helps to increase energy production and respiration within the mitochondria of brain cell

Vitamin B2

Role on metabolism

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