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1. PLANT PIGMENT
Course Name : Plant Physiology & Ecology Lab
Course Code : AGR354
Presented by,
ID no : 20151220024
Nayan Howlader
Level-3 Semester-2
Department of Agriculture
Level-3 Semester-2
Bangabandhu Sheikh Mujibur Rahman Science &Technology University

2. What is plant pigment…….?
Pigment are “molecules” that absorb specific
wavelength of light and reflect all others. Pigment
are colored. The color we see is the net effect of all
the light reflecting back to us. They are substance
produced by living organisms that have color
resulting from selective color absorption. A
"pigment" is simply a molecule that absorbs and
reflects light.
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3. Kinds of Plant Pigment
There have different pigments of plant. The principal pigments in plants are-
 Chlorophyll
 Carotenoids
 Xanthophyll
 Anthocyanins
 Betalins
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4. The principal pigments
responsible are:
 CHLOROPHYLL
Chlorophyll -is green, and is responsible for the green
color of foliage and leaves. More importantly, by
enabling plants to produce oxygen during
photosynthesis, it is critical to sustaining our life on
earth.
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5.  CAROTENE
Carotene is a pigment that absorbs blue and
indigo light, and that provides rich yellows and
oranges. The distinctive colors of mango, carrots,
fall leaves, and yams are due to various forms of
carotene, as is the yellow of butter and other
animal fats.
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6.  FLAVONOID
Flavonoids are the yellow
plant pigments seen most
notably in lemons, oranges,
and grapefruit. The name
stems from the Latin word
"flavus," which means yellow.
Flavonoids in flowers and fruit
provide visual cues for animal
pollinators and seed
dispersers to locate their
targets.
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7.  BETALAIN
Like carotenoids and flavonoids, betalains
also seem to play an important role in
attracting animals to flowers and fruit, and
produce a similar range of colors. The
betalains consist of two sub-groups, red-
violet (betacyanin) and yellow to orange
(betaxanthin) pigments. They only occur in a
few plant families, and always independently
of anthocyanins.
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8. A few categories of pigments are listed below along with their
characteristic range of colors:
Pigment Type Colors
Anthocyanins (subclass of flavonoids) blue/purple/red
Anthoxanthins (subclass of flavonoids) yellow - ivory
yellow - ivory yellow - red/purple
Carotenoids yellow - red
Chlorophylls greens
Xanthophylls (a subclass of carotenoids) ivory - yellow
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9. Some plant pigments you may be familiar with that are of current interest in
nutritional and pharmaceutical research are listed below, though there are many
more:
Pigment Color Found in
anthocyanins blue/purple/red berries, grapes, red peppers,
beets, eggplant, plums
beta-carotene orange/yellow carrots, pumpkin, sweet
potatoes, citrus, papaya,
melon, squash
curcumin yellow turmeric
lutein yellow/orange berries, grapes, red peppers,
beets, eggplant, plums
lycopene red carrots, pumpkin, sweet
potatoes, citrus, papaya,
melon, squash
zeaxanthin yellow turmeric
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10. Conclusion
Life would be nothing without plant. Plants would be nothing without
colors. Green plants having chlorophyll have a vital role in photo
synthesis, a process necessary for life on earth. Red and yellow plants
and flowers having carotenoids or betalins provide fresh fruits and help
in pollination. Blue plants and flowers having anthocyanins are strong
anti-oxidant.
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11. Have any Question..??
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12. Thank You……!!!
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