Abstract
WE have recently announced1 the isolation of oleuropein from Olea europæa which proved to be a double ester of glucose with protocatechuic acid and a second, as yet undescribed, non-aromatic acid. We have now succeeded in elucidating the structure of this compound—oleuropeic acid. It could be isolated by alkaline hydrolysis of oleuropein with subsequent fractionation of the hydrolysate from different solvents.
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References
Baruch Shasha and Jeshaia Leibowitz, Bull. Res. Conn. Israel, 8, A (1959).
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SHASHA, B., LEIBOWITZ, J. Oleuropeic Acid: a New Compound from Olea europæa . Nature 184, 2019–2020 (1959). https://doi.org/10.1038/1842019b0
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DOI: https://doi.org/10.1038/1842019b0
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