Pigments
The primary pigment is chlorophyll a in green plants and
bacteriochlorophyll in bacteria These absorb mostly red, blue, and
violet pigments
Absorption of Light by Chlorophyll a and Chlorophyll b
100---.------------,
Chlorophyll b
Chlorophyll a
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Wavelength (nm)
Types of Pigments (light absorbing compounds)
1.Chlorophyll a: Primary pigment responsible for photosynthesis.
Absorbs light in the ma, violet and blue regions of the visible spectrum
and reflects blueish-green light which is why plants look green.
2.Chorophyll b: Absorbs light in the .atd and blue regions of the visible
spectrum and reflects ., . -green light which is why plants lookgreen.
3.Carotenoids: (Carotene & Xanthophyll) Accessory pigments that
absorbs green and blue hues and reflects and orange.
4.Anthocyanins: Accessory pigments that absorbs green, � and
orange hues and reflects md., violet and blue.