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Title:Strawberries from integrated and organic production : mineral contents and antioxidant activity
Authors:ID Kristl, Janja (Author)
ID Urbanek Krajnc, Andreja (Author)
ID Kramberger, Branko (Author)
ID Grobelnik Mlakar, Silva (Author)
Files:.pdf Acta_Chimica_Slovenica_2013_Kristl_et_al._Strawberries_from_integrated_and_organic_production_mineral_contents_and_antioxidant_activity.pdf (117,29 KB)
MD5: B1F3A476195CD2241E294976495B08AD
URL http://acta-arhiv.chem-soc.si/60/60-1-19.pdf
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:As the nutritional quality of food is becoming increasingly more important forconsumers, significant attention needs to be devoted to agricultural practices and their influences on the nutrient contents in food. The presentedinvestigation studied the mineral contents and antioxidant activitiesin the fruits of four organically-grown strawberry cultivars 'St. Pierre', 'Elsanta', 'Sugar Lia' and 'Thuchampion' when compared to those of integrated-grown plants. The strawberries were digested and analyzed for K, Mg, Fe, Zn, Cu, and Mn using an atomic absorption spectrometer, whilst P was analyzed using a vanadate-molybdate method. In addition, antioxidant activity was estimated by using the ABTS assay. The results showed that the mineral contents and antioxidant activities in strawberries depends on the cultivar, and its production system. Organically-grown fruits showed higher antioxidant activities and Cu content than the integrated fruits, whilst the integrated fruits were superior in their contents of P, K, Mg, Fe and Mn. All the cultivars showed similar Zn content, probably reflecting the fact that the Zn content in strawberries does not depend on the cultivar.
Keywords:strawberries, minerals, antioxidant activity, production system
Publication status:Published
Publication version:Version of Record
Year of publishing:2013
Number of pages:str. 19-25
Numbering:Letn. 60, št. 1
PID:20.500.12556/DKUM-56830 New window
ISSN on article:1318-0207
COBISS.SI-ID:3490604 New window
Publication date in DKUM:30.12.2015
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Record is a part of a journal

Title:Acta Chimica Slovenica
Shortened title:Acta Chim. Slov.
Publisher:Slovensko kemijsko društvo
COBISS.SI-ID:14086149 New window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:30.12.2015

Secondary language

Abstract:Hranilna vrednost živil postaja za potrošnike vedno bolj pomembna, zato je potrebno nameniti pozornost načinom pridelave in njihovim vplivom na vsebnost različnih hranil v živilih. Raziskovali smo vsebnost mineralov in antioksidativni potencial štirih ekološko pridelanih kultivarjev jagod »St. Pierre«, »Elsanta«, »Sugar Lia« in primerjali vrednosti z jagodami iz integrirane pridelave. Naredili smo kislinski razklop jagod in v raztopinah določili vsebnost K, Mg, Fe, Zn, Cu in Mn z atomsko absorpcijsko spektrometrijo. Vsebnost P smo določali po vanadat-molibdat metodi. Antioksidativni potencial ekstraktov jagod smo ocenili z ABTS metodo. Rezultati so pokazali, da je na vsebnost mineralov in na antioksidativni potencial vplival kultivar in način pridelave. Ekološko pridelane jagode so imele višji antioksidativni potencial in višjo vsebnost Cu, medtem ko so jagode iz integrirane pridelave vsebovale več P, K, Mg, Fe in Mn. Vsi kultivarji so imeli podobno vsebnost Zn, kar nakazuje, da njegova vsebnost v jagodah verjetno ni odvisna od kultivarja.
Keywords:jagode, ekološka proizvodnja, integrirana proizvodnja, antioksidanti, analizna kemija


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