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Abstract
Anaphylactogenic properties of three products obtained in the fractionation and purification of the principal allergenic component of cottonseed-embryo were investigated. Fractions designated CS-1, CS-5 (a picrate), and CS-13 (proteic component of CS-5 free from picric acid) were shown to cross react with each other and with unfractionated aqueous extract of cottonseed.
Footnotes
1 Part of a thesis presented by E. J. Coulson to the Graduate School of Georgetown University in partial fulfillment of the requirements for the degree of Doctor of Philosophy, June 1940.
2 Contribution from Allergen Investigations, Bureau of Agricultural Chemistry and Engineering, U. S. Department of Agriculture.
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