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Title

Virgin olive phenolic profile as a result of the anabolic and catabolic enzymes status in the olive fruit

AuthorsRomero-Segura, Carmen ; García-Rodríguez, Carmen ; Sanz, Carlos ; Pérez Rubio, Ana Gracia
KeywordsOlea europaea
Virgin olive oil
Phenolics
β-glucosidase
Peroxidase
Polyphenol oxidase
Issue Date31-Dec-2011
PublisherInternational Society for Horticultural Science
CitationActa Horticulturae 924: 379-384 (2011)
AbstractThe demand for high quality virgin olive oil (VOO) may be attributed to its potential health benefits related to protection against cancer and cardiovascular diseases and also to its extraordinary organoleptic properties. It is well established that phenolic compounds have a direct influence on both factors, as antioxidants they provide important nutritional benefits, and additionally, some of them are associated with the bitter and pungent sensory notes of the oil. VOO phenolic profile may be affected by multiple preharvest and postharvest factors. In this sense, though processing technology may severely affect VOO quality, it is clear that most quality attributes of the oil are determined by the chemical composition and biochemical status of the olive fruit. Thus, the content of the main hydrophilic phenols found in VOO is closely related to the activity of enzymes hydrolyzing the main phenolic glycosides initially present in the olive tissue and the pool of enzymes, associated to the oxidative catabolism, acting both on those glycosides and on the derived hydrophilic phenols. Management of VOO phenolic profile requires a deeper knowledge on the anabolic and catabolic enzymes features in the olive fruit and the activity pattern of these enzymes during the industrial process to obtain this product.
DescriptionXXVIII International Horticultural Congress on Science and Horticulture for People (IHC2010): Olive Trends Symposium - From the Olive Tree to Olive Oil: New Trends and Future Challenges
URIhttp://hdl.handle.net/10261/53947
Identifiersissn: 0567-7572
isbn: 978-90-66055-94-0
Appears in Collections:(IG) Artículos
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