Occurrence of Conjugase in Egg Yolks.

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Abstract
Evidence was presented to show that chicken and turkey egg yolk contained a conjugase which liberated pteroylglutamic acid (PGA) from these materials. A synergistic action of egg yolk conjugase and chick pancreas was required in order to obtain the total PGA in egg yolk of chickens and turkeys. The liberation of microbiologically available PGA from egg yolk by the combined action of egg yolk conjugase and chicken pancreas conjugase gave a total PGA value which approached the value obtained by the chick assay for this vitamin. An inhibitory effect of autoclaved chick pancreas on the conjugase of chicken egg yolk was indicated by the results.
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