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Título

Determination of major bioactive compounds from olive leaf

AutorGuinda Garín, Mª Ángeles ; Castellano, José María ; Sántos-Lozano, José Manuel; Delgado, Teresa; Gutiérrez-Adánez, Pilar; Rada, Mirella
Fecha de publicación2015
EditorAcademic Press
CitaciónLWT - Food Science and Tecnology 64: 431- 438 (2015)
ResumenOlive leaves are an agricultural residue resulting from the pruning of olive trees that may be considered an available industrial byproduct. The olive tree is biochemically characterized for the presence of secoiridoids, carbohydrates, sugar alcohols, and terpenoids. Oleuropein, especially abundant in the olive leaves (up to 14% DW), have the greatest biological interest. The polyalcohol mannitol, which represents approx. a 3% of the leaf dry weight, has been used by the food and pharmaceutical industries as excipient, due to its high sweetness and poor caloric power. Likewise, oleanolic acid is present in the olive leaf in significant concentrations (z3% DW) and has been endorsed with very important pharmacological properties. In this work we describe a novel procedure for the determination of the major bioactive compounds from the olive leaf by SPE and HPLC. These bioactive compounds were determined in the four most significant Spanish Olea europaea cultivars. Olive leaf contains important amounts of oleanolic acid, oleuropein and mannitol, whose recovery could be interesting for the pharmaceutical, cosmetics and food industries. The analytical methodology presented in this work would serve as a very suitable tool for the control of any industrial process designed to obtain these high added-value compounds.
URIhttp://hdl.handle.net/10261/124173
DOI10.1016/j.lwt.2015.05.001
Identificadoresdoi: http://dx.doi.org/10.1016/j.lwt.2015.05.001
issn: 0023-6438
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