Answers are grounded in this paper and cite their sources.
The photo-oxidative effect of sunlight on the tryptophan residues of proteins and on free tryptophan is described. Evidence is presented that the indole ring is split to yield N'-formylkynurenine. The possible relation of this photo-oxidative change to changes in the lens proteins of brown cataracts is discussed.
No takes yet. Share an insight, caveat, or question.
Antoinette Pirie (1971) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: