Summary
The leaf of the bitter oliveOlea europaea (Oleaceae) is heavily coated by almost pure oleanolic acid, which forms part of a ‘multichemical’ defense against fungal attack.
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References
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Kubo, I., Matsumoto, A., and Takase, I., J. chem. Ecol. (1984) in press.
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We thank Mr K. A. Hoelmer for taking the electron micrographs and also Professor T. Kamikawa for NMR measurements.
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Kubo, I., Matsumoto, A. Secreted oleanolic acid on the cuticleOlea europaea (Oleaceae); a chemical barrier to fungal attack. Experientia 40, 937–938 (1984). https://doi.org/10.1007/BF01946446
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DOI: https://doi.org/10.1007/BF01946446