Some antioxidant compounds produced by microalgae under oxidative stress [13, 20, 23]

Microalgae speciesAntioxidant productionStress factor
Arthrospira platensis (Cyan)Ascorbic acid (AA)pH alteration and nutrient limitation
Mycosporine-like amino acids (MAAs)
Polyphenols
Chlamydomonas acidophila (C)CarotenoidsLight intensity
Chlorella sorokiniana (C)Ascorbate peroxidase (APX)Metal exposure
Superoxide dismutase (SOD)
Ascorbate (AsA)
Proline
Tocopherols
MAAsUltraviolet-A (UV-A) and UV-B radiation and metal exposure
Chlorella vulgaris (C)SODUV-B radiation and metal exposure
AAUV-B radiation and nutrient limitation
CarotenoidsTemperature, UV-A and UV-B radiation
ProlineMetal exposure
TocopherolsNutrient limitation
Chlorococcum infusionum (as Chlorococcum humicola; C)Peroxidase (POD)Metal exposure
Coelastrella vacuolata (as Scenedesmus vacuolatus; C)Catalase (CAT)Metal exposure
AAUV-A and UV-B radiation
MAAspH alteration and nutrient limitation
Diacronema viridis (as Pavlova viridis; Hap)CATMetal exposure
Glutathione POD (GPX)
Glutathione (GSH)
Dunaliella salina (C)SODUV-B radiation and metal exposure
MAAs
AAUV-B radiation and nutrient limitation
Phaeodactylum tricornutum (Bac)AAUV-B radiation and nutrient limitation
TocopherolsNutrient limitation
Tetraselmis suecica (C)AAUV-B radiation and nutrient limitation
TocopherolsNutrient limitation
Tetradesmus dimorphus (as Acutodesmus dimorphus; C)CATpH alteration and nutrient limitation
SOD
ProlineNutrient limitation and salinity
Tetradesmus lagerheimii (as Scenedesmus acuminatus; C)APXMetal exposure
GPX
POD
Proline
MAAsUV-A and UV-B radiation and metal exposure
Polyphenols

Bac: Bacillariophyceae; C: Chlorophyta; Cyan: Cyanophyceae; Hap: Haptophyta