Figure 2. Analyses of (A) carotenoid standard mixture and (B) carotenoids extracted from D. tertiolecta by ultra-performance liquid chromatography (UPLC) equipped with a photodiode array (PDA) in positive-ion mode.

NEO, neoxanthin; VIO, violaxanthin; ANT, anthraxanthin; ZEA, zeaxanthin; LUT, lutein; βCRYP, β-cryptoxanthin; LYC, lycopene; NEU, neurosporene; γCAR, γ-carotene; αCAR, α-carotene; βCAR, β-carotene; IS*, internal standard (β-apo-8′-carotenal). mAU, mili-absorbance unit.