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izvor podataka: crosbi

Chemical and sensorial changes of Croatian monovarietal olive oils during ripening (CROSBI ID 185445)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Brkić Bubola, Karolina ; Koprivnjak, Olivera ; Sladonja, Barbara ; Škevin, Dubravka ; Belobrajić, Ivana Chemical and sensorial changes of Croatian monovarietal olive oils during ripening // European journal of lipid science and technology, 114 (2012), 12; 1400-1408. doi: 10.1002/ejlt.201200121

Podaci o odgovornosti

Brkić Bubola, Karolina ; Koprivnjak, Olivera ; Sladonja, Barbara ; Škevin, Dubravka ; Belobrajić, Ivana

engleski

Chemical and sensorial changes of Croatian monovarietal olive oils during ripening

The aim of this investigation was to determine the impact of fruit ripening on chemical and sensorial changes in monovarietal olive oils obtained from two important olive cultivars grown in Croatia, Buža and Črna. In Buža oils peroxide value, K232 and K270 increased during ripening, while no differences among three ripening stages in Črna oils were observed. Oils of both cultivars at the later ripening stages had higher free acidity level and lower sensory score followed by mild loss in almost all positive sensory characteristics. Total phenols and antioxidant capacity decreased in Buža oils during fruit ripening, while in Črna oils reached maximum level in purple stage and then progressively decreased in the black ripening stage. Oleic acid level slightly increased during ripening in both cultivar oils. Linoleic acid decreased in Buža oils obtained from black fruits while palmitic acid decreased in Črna oils during ripening. In both monovarietal oils chlorophyll and carotenoids concentrations decreased during ripening. The two cultivars had different course of total aldehydes, total esters and total ketones during ripening, while total alcohols were the highest in oils from purple ripening stage and then decreased as ripening progress.

olive oil; volatiles; fatty acids; sensorial characteristics

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Podaci o izdanju

114 (12)

2012.

1400-1408

objavljeno

1438-7697

10.1002/ejlt.201200121

Povezanost rada

Poljoprivreda (agronomija), Prehrambena tehnologija

Poveznice
Indeksiranost