Question #46970

1 Answer
Nov 2, 2016

Carotenoids (including xanthophylls) and phycobilins (in rare species) are the pigments other than chlorophyll in chloroplasts.


There are a variety of pigments found in chloroplasts, the primary ones in plants being chlorophyll a and chlorophyll b - the green pigments that absorb light for photosynthesis.

Carotenoids , comprising carotene and xanthophyll , are the orange and yellow pigments that function as accessories to the primary pigments; they absorb light energy at wavelengths insufficiently absorbed by chlorophyll.

Phycobilins are a group of water-soluble pigments (the bluish phycocyanin and the reddish phycoerythrin) found only in the chloroplasts of Cyanobacteria and Rhodophyta.