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Journal of Dairy Science Vol. 47 No. 5 548-549
© 1964 by American Dairy Science Association ®
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Light-Induced Degradation of Cystine1

W. J. Harper and D. H. Brown

Department of Dairy Technology, The Ohio Agricultural Experiment Station, Columbus

ABSTRACT

Experiments conducted with S35-labeled cystine in model or milk systems revealed that cystine is readily degraded into a variety of sulfur products upon exposure to either artificial fluorescent or natural light. Sulfur products formed included H2S, and various unidentified forms of RSH, R-S-R, R-S-S-R, and carbonyl compounds. Cystine S35 degradation products were similar when exposed to fluorescent or natural light and in a cystine or natural milk system.

FOOTNOTES

1 Article — -63. Department of Dairy Technology, The Ohio Agricultural Experiment Station. Journal Article —. The Ohio Agricultural Experiment Station. Supported by Hatch Funds.






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Copyright © 1964 by the American Dairy Science Association ®.