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THE KINETICS OF STARVATION
1Department of Pediatrics, Western Reserve University Medical School, and Lakeside Hospital, Cleveland.
Pigeon weight loss during starvation follows a modified autocatalysis law, modeled by equations considering body reserves and protoplasm. This research offers insights into inanition processes and their relation to disease onset.
Area of Science:
- Physiology
- Biochemistry
- Mathematical Biology
Background:
- Autocatalysis laws describe chemical reactions with products acting as catalysts.
- Understanding animal physiology during starvation is crucial for metabolic research.
Purpose of the Study:
- To model pigeon weight loss during starvation using a modified autocatalysis law.
- To derive an equation representing animal weight over time during inanition.
Main Methods:
- Applied a modified law of autocatalysis to model relative weight loss.
- Developed an equation based on simultaneous velocity relations of two systems: reserves and protoplasm.
- Analyzed the 53-day experimental period of pigeon starvation.
Main Results:
- Relative weight loss in pigeons can be modeled by a modified autocatalysis law.
- An equation M(T) = (A(0) --> 0) + (B(0) --> B(C)) was derived to predict weight.
- Starvation course depends on protein destruction rate, modified by reserve materials.
- Tissue breakdown processes are analogous to synthesis.
Conclusions:
- The derived equations accurately predict pigeon weight loss during starvation.
- The hypothesis of simultaneous velocity relations for reserves and protoplasm is supported.
- Beriberi onset in pigeons coincides with the starvation half-period.
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