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Title: | Pentacyclic Triterpenoids from Olive Fruit and Leaf |
Authors: | Guinda Garín, M. Ángeles CSIC; Rada, Mirella CSIC ORCID; Delgado Hervás, Teresa CSIC; Gutiérrez-Adánez, Pilar; Castellano, José María CSIC ORCID | Keywords: | Olive (Olea europaea L.) leaf and fruit Pentacyclic triterpenoids Oleanolic acid Maslinic acid Erythrodiol Uvaol Ursolic acid |
Issue Date: | 8-Sep-2010 | Publisher: | American Chemical Society | Citation: | Journal of Agricultural and Food Chemistry 58(17): 9685-9691 (2010) | Abstract: | This work establishes a new procedure for the extraction and analysis of pentacyclic triterpenes, with which fruits and leaves from three Spanish olive cultivars (“Picual”, “Hojiblanca”, and “Arbequina”) has been studied. The leaf contains important amounts of oleanolic acid (3.0−3.5% DW), followed by significant concentrations of maslinic acid and minor levels of ursolic acid, erythrodiol, and uvaol. The abundance and profile of triterpenoids change during the leaf ontogeny. In the fruit, triterpenes are exclusively located in the epicarp at concentrations 30-fold lower than that in the leaf. Maslinic acid is the main triterpenoid, only accompanied of oleanolic acid. Along the ripening the levels of these triterpenes decreased. All the analyzed leaves and fruits come from the same agricultural estate, with identical climate and culturing conditions. For this reason, the found differences could majorly be attributable to the genetic factors of the olive cultivars. | Publisher version (URL): | http://dx.doi.org/10.1021/jf102039t | URI: | http://hdl.handle.net/10261/54641 | DOI: | 10.1021/jf102039t | ISSN: | 0021-8561 | E-ISSN: | 1520-5118 |
Appears in Collections: | (IG) Artículos (IPLA) Artículos |
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