Enzyme |
Identified Species |
Optimum pH |
Reference |
Pepsin |
Smooth hound |
2.0 |
Bougatef et al. [50] |
Pepsin I |
Arctic capelin |
3.7 |
Gildberg and Raa [48] |
Pepsin II |
Arctic capelin |
2.5 |
Gildberg and Raa [48] |
Pepsin I |
European eel |
3.5 |
Wu et al. [52] |
Pepsin II |
European eel |
2.5 |
Wu et al. [52] |
Pepsin III |
European eel |
2.5 |
Wu et al. [52] |
Pepsin |
Greenland cod |
3.5 |
Squires et al. [61] |
Pepsin |
Atlantic cod |
3.5 |
Haard [62] |
Pepsin |
Arctic cod |
3.0 |
Haardet al. [72] |
Pepsin I |
Atlantic cod |
3.5 |
Gildberg [58] |
Pepsin II |
Atlantic cod |
3.0 |
Gildberg [58] |
Pepsin |
palometa |
3.0–3.5 |
Pavliskoet al. [73] |
Pepsin I |
Sea bream |
3.0 |
Zhou et al. [51] |
Pepsin II |
Sea bream |
3.5 |
Zhou et al. [51] |
Pepsin III |
Sea bream |
3.5 |
Zhou et al. [51] |
Pepsin IV |
Sea bream |
3.5 |
Zhou et al. [51] |
Pepsin |
Albacore tuna |
2.0 |
Nalinanon et al. [65] |
Pepsin I |
Mandarin fish |
3.5 |
Zhou et al. [60] |
Pepsin II |
Mandarin fish |
3.5 |
Zhou et al. [60] |
Pepsin III |
Mandarin fish |
3.5 |
Zhou et al. [60] |
Pepsin IV |
Mandarin fish |
3.5 |
Zhou et al. [60] |
Pepsin I |
African coelacanth |
2.0 |
Tanji et al. [49] |
Pepsin II |
African coelacanth |
2.0 |
Tanji et al. [49] |
Pepsin III |
African coelacanth |
2.5 |
Tanji et al. [49] |
|