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. 1998;5(1):4-6.
doi: 10.1007/BF02986366.

Photoprotective substance occurs primarily in outer layers of fish skin

D L Fabacher  1 , E E Little
Affiliations

Photoprotective substance occurs primarily in outer layers of fish skin

D L Fabacher et al. Environ Sci Pollut Res Int. 1998.

Abstract

Methanol extracts of dorsal skin layers, eyes, gills, and livers from ultraviolet-B (UVB) radiation-sensitive and UVB-tolerant species of freshwater fish were examined for a substance that appears to be photoprotective. Significantly larger amounts of this substance were found in extracts of outer dorsal skin layers from both UVB-sensitive and UVB-tolerant fish when compared with extracts of inner dorsal skin layers. This substance occurred in minor amounts or was not detected in eye, gill, and liver extracts. The apparent primary function of this substance in fish is to protect the cells in outer dorsal skin layers from harmful levels of UVB radiation.

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References

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