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Beta-carotene, an antioxidant, is provitamin A because it is easily converted to vitamin A in the liver. Vitamin A is essential for eye health, skin and mucous membrane health, reproduction and fertility, growth, and immune system function.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoIn human nutrition, carotenoids, as antioxidants, serve to protect cells from the danger of free radicals that may be produced by the body during metabolism or by cigarette smoke, sunlight, radiation, pollutants, or even stress.
Wiki User
∙ 13y agoBeta carotene is important for proper eye nutrition.
Wiki User
∙ 11y ago..,m.,m
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Why are carotenoids orange?
They reflect orange light.
Why are carotenoids coloured?
Carotenoids have conjugated bonds. Wavelengths of visible light are absorbed when electrons are excited to higher energy levels. The complementary colour is to that absorbed is observed.
What are yellow-orange pigments in a chloroplast?
These pigments are called carotenoids.
What is the chemical called when the leaves are yellow?
These substances are called carotenoids.
Do carotenoids cause plants to positively respond to sunlight?
Yes
What is the molecular formula for carotenoids?
C40H56
Absorbs wavelengths of light different from those absorbed by chlorophyll?
carotenoids :]
What are xanthophyll?
These are carotenoids
Do carotenoids contain starch?
According to scientists, carotenoids contain only carbon and hydrocarbon atoms and are usually found in carrots and apricots. Also, carotenoids is an excellent source of vitamin A.
What has the author John Thomas Landrum written?
John Thomas Landrum has written: 'Carotenoids' -- subject(s): Carotenoids
Which of the following has not been linked to causing cancer carotenoids high fat diet UV radiation viral infection?
carotenoids
What job do carotenoids have in plants?
oxgern
What has the author T W Goodwin written?
T. W. Goodwin has written: 'British Biochemistry (Biochemical Society Symposia)' 'Chemistry and biochemistry of plant pigments' -- subject(s): Botanical chemistry, Plant pigments 'History of the Biochemical Society 1911' 'The biochemistry of the carotenoids' -- subject(s): Carotenoids 'Carotenoids' -- subject(s): Carotenoids 'The comparative biochemistry of the carotenoids' 'The biosynthesis of vitamins and related compounds' -- subject(s): Biosynthesis, Synthesis, Vitamins
Does animals obtain carotenoids in their diets?
yes
What are carotenoids and phycocyanins called?
accessory pigments
Why are carotenoids orange?
They reflect orange light.
Why are carotenoids coloured?
Carotenoids have conjugated bonds. Wavelengths of visible light are absorbed when electrons are excited to higher energy levels. The complementary colour is to that absorbed is observed.
