carotenoids antioxidants 13 Research & information: general 12 bioactive compounds 12 antioxidant 11 flavonoids 11 antioxidant activity 10 polyphenols 10 Biology, life sciences 9 phenolic compounds 8 Technology: general issues 7 microalgae 7 minerals 7 HPLC 6 antioxidant capacity 6 inflammation 6 oxidative stress 6 photosynthesis 6 amino acids 5 ascorbic acid 5 chlorophyll 5 cytotoxicity 5 extraction 5 fatty acids 5 food 5 fucoxanthin 5 growth 5 lutein 5 nutrition 5 phenolic acids 5