Fig. 4
tyd4 displayed elevated lutein content and zeaxanthin content. A Relative lutein content; B Relative zeaxanthin content; C Relative β-carotene content; D Relative α-carotene content; E Relative CAT activity under normal light and high light. WT, Dunaliella sp. ZP-1. L, 25 μmol photons/m2/s under cool-white fluorescent lamps. HL, 300 μmol photons/m2/s under cool-white fluorescent lamps. The same letter in the top of the bar indicated no significant difference, while different letters indicated significant difference at the level of 0.05, based on Duncan’s multiple range test. The asterisk indicated the significant difference between two means at the level of 0.05.