THE ISOLATION OF THE BLOOD GROUP SPECIFIC B SUBSTANCE.
1Laboratories of The Buffalo General Hospital, and the Department of Pathology and Bacteriology, University of Buffalo Medical School, Buffalo.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Researchers isolated a carbohydrate-like group B substance from human stomach juice. This substance shows potency comparable to group A carbohydrates derived from commercial sources.
Area of Science:
- Biochemistry
- Immunochemistry
Background:
- Human stomach juice contains various biologically active substances.
- Group-specific substances play roles in immunological and physiological processes.
Purpose of the Study:
- To describe the isolation of a group-specific B substance from human stomach juice.
- To characterize the nature and potency of the isolated substance.
Main Methods:
- Isolation of group-specific B substance from human stomach juice.
- Characterization of the substance's carbohydrate-like nature.
- Comparative potency assessment with known carbohydrate-like substances.
Main Results:
- Successful isolation of a group-specific B substance from human gastric secretions.
- The isolated substance exhibits carbohydrate-like properties.
- The potency of the isolated group B substance is equivalent to that of group A substance found in commercial pepsin and peptone.
Conclusions:
- Human stomach juice is a source of group-specific carbohydrate-like substances.
- The isolated group B substance is biologically active and comparable in potency to related substances from commercial origins.
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