Pigment composition of Ochromonas itoi and Ochromonas smithii before high light (HL) and after 6-h HL incubation.

Chl.a, chlorophyll a; Chl.c, chlorophyll c; Fx, fucoxanthin; Ddx, diadinoxanthin; Dtx, diatoxanthin; Vx, violaxanthin; Ax, antheraxanthin; Zx, zeaxanthin; α-Car, α-carotene; β-Car, β-carotene. Values are means of three independent measurements, and s.d. are standard deviation.*1 Chl.c, Chl.c1+c2*2 α-Car and β-Car were not absolutely separated using this study's HPLC method. α-Car was only detected in O. itoi.