Vitamins Of Group „B“ Ivana Vojtěchová Daniela Zátopková

Thiamin – B 1 Discovered as the first in group B. Very ill or alcohol dependent people may be given B1. By injection for maximum absorption Present in: meats grains leafy green vegetables legumes

Riboflavin – B 2 Signs of deficiency dry skin, cracked lips, red and flaky skin especially round nose and eyes, sore mouth and tongue, eye irritation daily dosage:1,7 mg Vitamin B2 is found in beer. It is necessary for the maintenance of good vision, skin, nails and hair. Promotes general health.

Niacin B 3 Niacin is not a true vitamin in the strictest definition since it can be derived from the amino acid tryptophan. Improves circulation and reduces the cholesterol level in the blood Sings of deficiency: - irritability - fatigue - poor memory - poor appetite - emotional instability, - mental changes.

Pantothenic Acid B 5 The precursor to coenzyme A, which is an enzyme critical to the oxidation and synthesis of carbohydrates and fatty acids. Also synthesized by intestina bacteria. Present in: - peanuts - liver - kidney - avocado - mushrooms - cereals and bread - bananas.

Pyridoxine B 6 Not to be taken by children under 12. High doses of B6 (100mg and above) can cause side effects including numbness and tingling in the fingers and toes. Sings of deficiency is Sings of deficiency is epileptic fit

Folic acid B 9 Necessary for DNA & RNA synthesis, which is essential for the growth and reproduction of all body cells; essential to the formation of red blood cells by its action on the bone marrow - large intake (400µg a day over many months) can mask symptoms of a vitamin B12 deficiency and anaemia. - the best taken - daily with food, together with a B12 or B- complex supplement and with iron.

Vocabulary Cracked-popraskaný Flaky-loupavý Maintenance - údržba Promotes – podporovat Legumes –luštěnina Essential – nezbytný Formation – utváření Bone marrow – kostní dřeň Mask – zakrývat Intake – příjem Improves – zlepšovat Level- hladina Fatigue – únava Sole – výhradně Source – zdroj Obtained – původně získáno Ingestion – příjem Numbness – znecitlivění Tingling – pálení, štípání

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References tmlhttp://web.indstate.edu/thcme/mwking/vitamins.h tml mins.htmlhttp:// mins.html /misc_topics/vitamins.htmlhttp://arbl.cvmbs.colostate.edu/hbooks/pathphys /misc_topics/vitamins.html