Beta-carotene
by Růžena Vystavělová & Hana Vojkovská
Structure
• Molecule is formed of two β-ionon circles
• It undergoes cis- and trans-isomerisation easy
Contain in food
• in vegetable and fruits
• in some animal products (milk, eggs, beef
liver,…)
liver = játra
Contain in food
• carrot 2000–9600
mg/100g
• parsley (curly) 3200–
26000 mg/100g
• tomatoes 300–3500
mg/100g
• spinach 5000–48 200
mg/100g
• morelloes 30–550
µg/100g
• apricots 1670–10 000
µg/100g
• butter 700–746 µg/100g
• eggs 220 µg/100g
• cheese 30–1420 µg/100g
• beef liver 30 000 µg/100g
parsley=petržel, morello = višeň
Adviced reception
• 2-4 mg a day
• The heat processes help to use
carotenoids better
Main effects
• Strong antioxidant
• Protection of cells
before UV, support of
sun-tan
• Keep healthy skin
Main effects
• Support of sight and prevention against
night blindness
• Operation against infection illnesses and
tumours
• Stimulation of immune system
• Acceleration of wounds cure
• Prevention of rise cardiac illnesses
Support = podpora, night blindness = šeroslepost, wound = rána, cure =
hojení
Manifestation of surplus
• 20 – 50mg daily can raise the hazard of
cardiac illnesses and cancer by smokers
• Discomfort, diarrhoea
• Yellow or orange skin
Discomfort = nevolnost, diarrhoea = průjem, surplus = nadbytek
Manifestation of absence
• The most of the
people don´t have
any absence of
vitamin A
• It is good to raise
receipt of betacarotane by chronic
illnesses
Thank you for your attention