Riboflavin and riboflavin adenine dinucleotide in ox ocular tissues

Abstract
Total riboflavin was estimated by the microbiological method (Lactobacillus hel-veticus) and riboflavin adenine dinucleotide by the d-amino oxidase test. The aqueous and Vitreous humours, the lens and the substantia propria of the cornea contained only traces of either flavin compound, the corneal epithelium, the ocular conjunctiva, the iris and the ciliary body contained about 2-[gamma]/g. wet wt., and the retina+ choroid 3-5 [gamma]/g. Riboflavin was present mostly as adenine dinucleotide in all parts of the eye. The lacrymal and meibomian glands contained 4-6 [gamma]/g. of both flavin compounds, and their secretions contained riboflavin.

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