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Aldose reductase inhibitors from natural sources.

This review covers aldose reductase inhibitors (ARIs) isolated from natural sources. Compounds in the review are grouped according to the source from which they have been isolated: terrestrial, marine, or microorganism and the in vitro inhibitory activity of the compounds is also showed. The literature, both journals and patents, up to June 2002 is reviewed and 86 references are cited.