carotenoid antioxidant 6 bioactive compounds 6 antioxidants 4 astaxanthin 4 carotenoids 4 inflammation 4 oxidative stress 4 Biology, life sciences 3 Research & information: general 3 anti-inflammatory 3 antifungal 3 antimicrobial 3 apoptosis 3 intestinal absorption 3 lutein 3 nutraceuticals 3 secondary metabolites 3 ?-carotene 2 Antarctica 2 FTIR spectroscopy 2 Medicine 2 Nrf2 2 Phaeodactylum tricornutum 2 aging 2 analysis 2 anti-obesity 2 antibacterial activity 2 antibiotics 2 anticancer 2