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Nutritional composition and antioxidant activity of four tomato (Lycopersicon esculentum L.) farmer' varieties in Northeastern Portugal homegardens.

2012Journal article Open access
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dc.contributor.authorPinela, José
dc.contributor.authorBarros, Lillian
dc.contributor.authorCarvalho, Ana Maria
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2012-08-14T11:14:27Z
dc.date.available2012-08-14T11:14:27Z
dc.date.issued2012
dc.description.abstractThe nutritional and antioxidant composition of four tomato Portuguese farmer’ varieties widely cultivated in homegardens was determined. The analysed components included macronutrients, individual profiles of sugars and fatty acids by chromatographic techniques, hydrophilic antioxidants such as vitamin C, phenolics, flavonols and anthocyanins, and lipophilic antioxidants such as tocopherols, β-carotene and lycopene. Furthermore, the antioxidant activity was evaluated through DPPH scavenging activity, reducing power, beta-carotene bleaching inhibition and TBARS formation inhibition. One of the four varieties, which is locally known as round tomato or potato tomato, proved to be the most powerful in antioxidant activity (EC50 values ≤ 1.63 mg/ml), phenolic compounds (phenolics 31.23 mg ClAE/g extract, flavonols 6.36 mg QE/g extract and anthocyanins 3.45 mg ME/g extract) and carotenoids (β-carotene 0.51 mg/100 g and lycopene 9.49 mg/100 g), while the so-called yellow tomato variety revealed interesting nutritional composition, including higher fructose (3.42 g/100 g), glucose (3.18 g/100 g), alpha-linolenic acid (15.53%) and total tocopherols (1.44 mg/100 g) levels. Overall, these farmer’ varieties of garden tomato cultivated in the northeastern Portuguese region could contribute as sources of important antioxidants related to the prevention of chronic diseases associated to oxidative stress, such as cancer and coronary artery disease.por
dc.identifier.citationPinela, José; Barros, Lillian; Carvalho, Ana Maria; Ferreira, Isabel C.F.R. (2012). Nutritional composition and antioxidant activity of four tomato (Lycopersicon esculentum L.) farmer' varieties in Northeastern Portugal homegardens. Food and Chemical Toxicology. ISSN 0278-6915. 50:3-4, p. 829-834por
dc.identifier.doi10.1016/j.fct.2011.11.045
dc.identifier.issn0278-6915
dc.identifier.urihttp://hdl.handle.net/10198/7343
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relationEMBEDDED SYSTEMS FOR ELLIPTIC CURVE
dc.subjectTomatopor
dc.subjectLycopersicon esculentumpor
dc.subjectFarmers varietiespor
dc.subjectNutrientspor
dc.subjectAntioxidantspor
dc.subjectAntioxidant activitypor
dc.titleNutritional composition and antioxidant activity of four tomato (Lycopersicon esculentum L.) farmer' varieties in Northeastern Portugal homegardens.por
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEMBEDDED SYSTEMS FOR ELLIPTIC CURVE
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PIDDAC/SFRH%2FBD%2F44609%2F2008/PT
oaire.citation.endPage834por
oaire.citation.startPage829por
oaire.citation.titleFood and Chemical Toxicologypor
oaire.citation.volume50por
oaire.fundingStreamPIDDAC
person.familyNamePinela
person.familyNameBarros
person.familyNameCarvalho
person.familyNameFerreira
person.givenNameJosé
person.givenNameLillian
person.givenNameAna Maria
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifierID G-7399-2011
person.identifier144781
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person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0001-7523-1637
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-5508-5935
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridB-4466-2014
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id54392272800
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id20336503900
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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