A form of chlorophyll that occurs only in algae, specifically the diatoms, dinoflagellates and brown algae. Its role is to pass on the light excitation to chlorophyll a. Its molecular formula is C35H28O5N4Mg.
There are different forms of chlorophylls existing in nature. Some of them are:
They all reflect the green light but the slight differences in their structure cause them to appear in different shades of green.