| Source | Example of species | Astaxanthin concentration (mg kg-1) | Primary optical isomer | Reference |
| Microorganism | | | | | Phytoplankton | Haematococcus pluvialis NIES-144 | 98,000 d.w. | 3S,3S | [48] | Haemotococcus lacustris | 43,100 d.w. | 3S,3S | [49] | Haematococcus pluvialis CCAP-34/7 | 22,700 d.w. | 3S,3S | [50] | Neochloris wimmeri CCAP-213/4 | 19,200 d.w. | — | [50] | Protosiphon botryoides SAG-731/1a | 14,300 d.w. | — | [50] | Scotiellopsis oocystiformis SAG-277/1 | 10,900 d.w. | — | [50] | Chlorella zofingiensis SAG-211/14 | 6800 d.w. | — | [50] | Scenedesmus vacuolatus SAG-211/15 | 2700 d.w. | — | [50] | Chlorococcum sp. | 4230 d.w. | — | [51] | Chromochloris zofingiensis | 13,100 d.w. | — | [52] | Euglena sanguinea | — | 3S,3S | [53] |
| Zooplankton | Calanus helgolandicus | 50–220 d.w. | — | [54] | Acartia bifilosa | 477.4 d.w. | — | [55] | Calanus finmarchicus | 100–500 d.w. | 3S,3S | [56, 57] | Calanus glacialis | 100–500 d.w. | — | [56] | Calanus hyperboreus | 100–500 d.w. | — | [56] | Calanus pacificus | — | — | [58] | Diaptomus nevadensis | — | — | [58] | Neocalanus tonsus | — | — | [58] | Amphiascoides atopus | 619 d.w. | — | [59] | Acartia bifilosa | 293–487 d.w. | — | [60] | Pseudocalanus acuspes | 239–305 d.w. | — | [60] | Idotea metallica | — | — | [61] |
| Bacteria | Agrobacterium aurantiacum | 140 d.w. | 3S,3S | [62] | Brevundimonas sp. strain N-5 | 837 d.w. | 3S,3S | [63] | Sphingomicrobium astaxanthinifaciens | 40 d.w. | — | [64] | Paracoccus bogoriensis | 400 w.w. | — | [65] | Brevundimonas spp. | 27.6–365 d.w. | 3S,3S | [66] | Brevundimonas sp. M7 | 1300 d.w. | 3S,3S | [66] | Sphingomonas astaxanthinifaciens | 690 d.w. | — | [66] | Altererythrobacter ishigakiensis | — | — | [67] | Paracoccus haeundaensis | — | — | [68] | Paracoccus carotinifaciens | — | 3S,3S | [69] |
| Yeast | Phaffia rhodozyma PR 190 | 970 d.w. | 3R,3R | [70] | Phaffia rhodozyma UCD 67-210 | 387 d.w. | 3R,3R | [71] | Candida utilis | 400 d.w. | — | [72] |
| Archaea | Halobacterium salinarium NRC-1 | 265 d.w. | — | [73] | Haloarcula hispanica ATCC 33960 | 17 d.w. | — | [73] | Chromista | Thraustochytrium sp. CHN-3 | 2800 d.w. | — | [74] |
| Crustaceans | | | | | Shrimp | Marsupenaeus japonicus | 418 d.w. | — | [75] | Litopenaeus setiferus | 48.3 w.w. | — | [76] | Penaeus sp. | 0.96 w.w. (only head) | — | [77] | Litopenaeus vannamei | 11.3–31.8 w.w. | 3R,3S | [57, 78] | Penaeus monodon | 24.9–67.5 d.w. | 3R,3S | [57, 79] | Pandalus borealis | 30.9–147.7 w.w. | 3R,3S | [57, 80, 81] |
| Crawfish | Procambarus clarkii | 78.5–197.9 d.w. (only shell) | — | [82] | Crabs | Pleuroncodes planipes | — | — | [83] | Eriocheir sinensis | 3.5–4.7 d.w. (only carapace) | — | [84] | Chionoecetes opilio | 119.6 d.w. | — | [81] |
| Lobster | Jasus lalandii | 13 w.w. | — | [85] | Antarctic krill | Euphausia superba | — | 3R,3R | [80] |
| Fishes | | | | | Salmonids | Atlantic salmon (Salmo salar) | 6–8 w.w. | 3S,3S | [3] | Sockeye salmon (Oncorhynchus nerka) | 26–38 w.w. | 3S,3S | [86] | Chinook salmon (Oncorhynchus tshawytscha) | 5.4 w.w. | 3S,3S | [86] | Chum salmon (Oncorhynchus keta) | 3–5 w.w. | 3S,3S | [86] | Coho salmon (Oncorhynchus kisutch) | 10–21 w.w. | 3S,3S | [86] | Masu salmon (Oncorhynchus masou) | 4.6 w.w. | 3S,3S | [86] | Pink salmon (Oncorhynchus gorbuscha) | 4–7 w.w. | 3S,3S | [86] | Rainbow trout (Oncorhynchus mykiss) | 24 w.w. | 3S,3S | [86] | Arctic char (Salvelinus alpinus) | 8.6 w.w. | — | [86] |
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