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http://hdl.handle.net/10261/17899
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Llorach, Rafael | - |
dc.contributor.author | Tomás Barberán, Francisco | - |
dc.contributor.author | Ferreres, Federico | - |
dc.date.accessioned | 2009-10-21T12:33:48Z | - |
dc.date.available | 2009-10-21T12:33:48Z | - |
dc.date.issued | 2004-11-16 | - |
dc.identifier.citation | European Food Research and Technology 220(1): 31-36 (2005) | en_US |
dc.identifier.issn | 1438-2377 | - |
dc.identifier.uri | http://hdl.handle.net/10261/17899 | - |
dc.description | 6 pages, 2 tables.-- Printed version published 2005. | en_US |
dc.description.abstract | Ready-to-eat foods such as soups are in great demand by consumers, owing to the changes in lifestyle over the last half-century. In this context, the addition of new health-promoting active ingredients such as polyphenols could represent an important way to increase the intake of these compounds. Three different by-products from artichoke, lettuce and cauliflower handling and commercialisation have been use to obtain enriched polyphenol extract using a water extraction protocol. The artichoke by-products extract was composed of caffeic acid derivatives while the lettuce and the cauliflower by-products extract were composed of both caffeic acid derivatives and flavonols. The amounts of these compounds were evaluated with HPLC-DAD; it transpired that the artichoke by-products extract had the highest levels of polyphenols (100 mg of polyphenols/g of dry extract), followed by lettuce by-products extract (46 mg of polyphenols/g of dry extract) and cauliflower by-products extract (34 mg of polyphenols/g of dry extract). A sensory panel with four trained judges evaluated the addition of different amounts of extracts. Both artichoke and lettuce by-products extract could be added to the soup to a maximum amount of 10 mg of extract/mL of soup and cauliflower with 5 mg of extract/mL of soup, while still improving the grade of acceptability of the soup with respect to the original soup. In addition, antioxidant capacity was evaluated as free radical scavenging activity (ABTS·+ assay) and the ability to reduce the 2,4,6-tripyridyl-s-triazine (TPTZ)-Fe(III) complex to TPTZ-Fe(II) (FRAP assay). The antioxidative capacity increased with addition of the extracts between 3.5 times and 13 times (ABTS·+ assay) as well as between 23 times and 85 times (FRAP assay). The results obtained indicate that these by-products could provide the extracts with antioxidant phenolics that could be used to functionalise foods. Obviously, before incorporating these by-product extracts as dietary complements, it is necessary to carry out further studies about their toxicity (i.e. possible residual presence of pesticides), in vivo activity, and bioavailability. | en_US |
dc.format.extent | 259768 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Springer Nature | en_US |
dc.rights | closedAccess | en_US |
dc.subject | Chicken soup | en_US |
dc.subject | Polyphenol extract | en_US |
dc.subject | Functionalisation | en_US |
dc.subject | Sensor assessment | en_US |
dc.subject | High-performance liquid chromatography–diode-array detection | en_US |
dc.title | Functionalisation of commercial chicken soup with enriched polyphenol extract from vegetable by-products | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1007/s00217-004-1054-7 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1007/s00217-004-1054-7 | en_US |
dc.identifier.e-issn | 1438-2385 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | none | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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