Ernst Friedrich Jahns
Ernst Friedrich Jahns (born February 27, 1844 in Hanover , † April 17, 1897 in Göttingen ) was a German chemist and pharmacist.
Jahns apprenticed as a pharmacist in Hanover, then worked as a pharmacist's assistant in Verden and studied pharmacy, chemistry and botany in Bern and Göttingen from 1865, with the state pharmaceutical examination in 1869. After that he was in a pharmacy in Clausthal and from 1871 in the Göttingen university pharmacy , which he took over in 1874 (he made the smallest offer, but had the best exam).
He dealt with essential oils and alkaloids . He found, among other things, arecoline , arecaine , arecaidine , guvacine and choline in the areca nut , trigonelline in fenugreek seeds (and proved that it was a methyl betaine of nicotinic acid ), examined strychnine , the yellow pigment of the galanga root (and isolated galangine and alpinine from it ) , Thuja oil and eucalyptus oil . He succeeded in synthesizing agaric acid and introduced potassium iodobismutate for the preparation of organic bases.
literature
- Entry in Winfried Pötsch, Annelore Fischer, Wolfgang Müller: Lexicon of important chemists, Harri Deutsch 1989, ISBN 978-3817110551
Individual evidence
- ^ Wilhelm Ebel Memorabilia Gottingensia , Vandenhoeck and Ruprecht 1969
| personal data | |
|---|---|
| SURNAME | Jahns, Ernst Friedrich |
| BRIEF DESCRIPTION | German chemist and pharmacist |
| DATE OF BIRTH | February 27, 1844 |
| PLACE OF BIRTH | Hanover |
| DATE OF DEATH | April 17, 1897 |
| Place of death | Goettingen |