Conclusions
the incubation of powdered liver with injectable liver extract caused an activation, or perhaps formation, of a cholinesterase which had some of the properties of a specific cholinesterase. This was, in general, of the type found in red blood cells and in the central nervous system.
The incubation of powdered liver with pteroylglutamic acid activated, or created, mainly an activity which resembled the of a non-specific cholinesterase of the general type that is found in blood serum.
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Research paper no. 914, journal series, University of Arkansas. Laboratories.
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Davis, J.E. Anti-anemic agents and cholinesterase activity. Amer. Jour. Dig. Dis. 17, 339–340 (1950). https://doi.org/10.1007/BF03002585
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DOI: https://doi.org/10.1007/BF03002585