From J. S. Burdon Sanderson 25 April 1874
Summary
Purpose of experiments was to determine digestive activity of liquids containing pepsin. Gives required amounts of hydrochloric, propionic, butyric and valerianic acids. Describes experiment and gives results. Also experimented on digestive activity of butyric acid at greater temperatures than the termperature of the body.
| Author: | John Scott Burdon Sanderson, 1st baronet |
| Addressee: | Charles Robert Darwin |
| Date: | 25 Apr 1874 |
| Classmark: | DAR 58.2: 65–70 |
| Letter no: | DCP-LETT-9427F |
Matches: 1 hit
- … 04 of Propionic acid, 4 . 82 of Butyric acid, and 5 . 68 of Valerianic Acid. It was therefore judged expedient, in comparing the digestive powers of these acids with that of hydrochloric acid to use them in these proportions. 3. Five hundred cub. cent. of a liquid containing about 8 cub. cent. per Litre of a glycerin extract of the mucous membrane of the stomach of a dog killed during digestion, having been prepared, 10 …
Document type
| letter | (1) |
Author
Addressee
| Darwin, C. R. | (1) |
Correspondent
| Burdon Sanderson, J. S. | (1) |
| Darwin, C. R. | (1) |
Date
| 1874 | (1) |
