期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 58, 期 1, 页码 28-34出版社
ELSEVIER
DOI: 10.1016/j.lwt.2014.03.014
关键词
Olive leaves; Phenolic compounds; HPLC-DAD-TOF-MS; 'Sikitita' cultivar
资金
- Spanish Ministry of Education and Science [AGL2011-29857-C03-02]
- Andalusian Regional Government Council of Innovation and Science [P09-CTS-4564, P10-FQM-6563, P11-CTS-7625]
- International Olive Oil Council (IOC) scholarship [T1 6-Doct 1/12]
'Sikitita' is a new olive cultivar developed in Spain by crossing the cultivars 'Picual' and 'Arbequina'. The phenolic fraction of olive leaves (Olea europaea L), is purported to have good anti-oxidative properties which help to prevent several health problems. To our knowledge, no studies are available on the phenolic fraction of 'Sikitita' olive leaves or any other new cultivar developed from breeding. Thus, the identification and quantification of the phenolic fraction of 'Sikitita' olive leaves by HPLC-DAD-MS were studied and compared with those of its parent cultivars. The three cultivars were grown under the same agronomic and environmental conditions in the same orchard. The quantification was performed using HPLC-DAD, whereas qualitative data were acquired using HPLC-MS. It was thus possible to identify 30 different compounds, two of which have been tentatively characterized for the first time in olive leaves of Spanish cultivars. Significant differences between cultivars were observed for almost all the compounds. Results for 'Sikitita' olive leaves presented a higher degree of similarity with respect to `Picual' than to 'Arbequina'. Further work will monitor the time course of phenolic compounds over the growth period. (c) 2014 Elsevier Ltd. All rights reserved.
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