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izvor podataka: crosbi

Carotenoid content and antioxidant activity of hexane extracts from selected Croatian corn hybrids (CROSBI ID 208049)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Kljak, Kristina ; Grbeša, Darko Carotenoid content and antioxidant activity of hexane extracts from selected Croatian corn hybrids // Food chemistry, 167 (2015), 402-408. doi: 10.1016/j.foodchem.2014.07.002

Podaci o odgovornosti

Kljak, Kristina ; Grbeša, Darko

engleski

Carotenoid content and antioxidant activity of hexane extracts from selected Croatian corn hybrids

Carotenoids, which occur naturally in corn grains, have been associated with reduced risk of degenerative diseases. The aim of this research was to measure the carotenoid content of hexane extracts of six commercial high-yield corn hybrids and determine the relationship between carotenoid content and antioxidant activity. Levels of lutein, zeaxanthin, β-cryptoxanthin and β-carotene in hexane extracts were determined using HPLC, and antioxidant activity was assayed using the TEAC system based on the 2, 2’-azinobis(3- ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS•+), and the TBARS system based on a linoleic acid emulsion. Corn hybrids varied in carotenoid content and antioxidant activity in both assays. Lutein and zeaxanthin were the predominant carotenoids ; their levels were 15- fold higher than those of β-cryptoxanthin and β- carotene. Antioxidant activity in both assays increased linearly with total carotenoid content. Lutein and β-carotene were the primary contributors to TEAC activity, while lutein, β- cryptoxanthin and β-carotene were primary contributors to TBARS activity.

carotenoids; corn grain; antioxidant activity; corn hybrids

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Podaci o izdanju

167

2015.

402-408

objavljeno

0308-8146

10.1016/j.foodchem.2014.07.002

Povezanost rada

Poljoprivreda (agronomija)

Poveznice
Indeksiranost