Concentration of Phenolic Compounds Change in Storage Brines of Ripe Olives
- 1 March 1993
- journal article
- Published by Wiley in Journal of Food Science
- Vol. 58 (2) , 347-350
- https://doi.org/10.1111/j.1365-2621.1993.tb04272.x
Abstract
The effects of cultivar, salt concentration and temperature on changes in phenolic compounds during storage of ripe olives were studied, using a 23 factorial design. The effect of salt was negligible. Higher temperature increased phenols diffusion rate into brines for two cultivars assayed. The cultivars, Hojiblanca and Cacereña varied in poly‐phenol content. Throughout storage there was hydrolysis of glucosides intially in flesh (oleuropein, verbascoside and luteolin 7‐glucoside due to the acidic conditions. This effect caused the content of oleuropein in brines to always be lower than 1.5 mM and resulted in a continous increase in level of hydroxytyrosolKeywords
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