ORGANIC ACIDS OF BRYOPHYLLUM CALYCINUM THE ISOLATION OF MONOPOTASSIUM ISOCITRIC LACTONE
- 1 July 1963
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Biochemistry and Physiology
- Vol. 41 (7), 1571-1580
- https://doi.org/10.1139/o63-179
Abstract
A method is described for the isolation from dried Bryophyllum calycinum leaf tissue of threo-Ds-isocitric acid as the monopotassium salt of the lactone. Overall yields of 49 to 62% of the isocitric acid in the organic acid extract were obtained. Some of the properties of this salt are described.The preparation of (−)-isocitric acid lactone, and of the monoammonium, monorubidium, and lithium salts of the lactone is also described.Keywords
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