1. Pomological traits, phenol and flavonoid content and antioxidant activity introduced the pomegranate (Punica granatum L.) cultivars grown in the Mediterranean part of Croatia
- Author
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Mira Radunić, Jelena Gadže, Katarina Lozo, Ela Šimera, Maja Jukić Špika, Mira Radunić, Jelena Gadže, Katarina Lozo, Ela Šimera, and Maja Jukić Špika
- Abstract
Fruit samples of ‘Granada’, ‘Wonderful’ and ‘Hicaznar’ cultivars were collected in productive pomegranate orchard in Neretva valley, Metković (Croatia) and their pomological and chemical properties were compared. Significant differences among cultivars were noted between the studied traits. Fruit weight ranged from 429.37 g to 359.43 g and the lowest was recorded in cv. ‘Hicaznar’. Color of peel, aril and juice of all investigated cultivars was intensively red and dark red, respectively. ‘Granada’ and ‘Wonderful’ stood out with high juice yield compared with ‘Hicaznar’. Total soluble solid (TSS) of ‘Hicaznar’ (18.61%) was higher than that of ‘Wonderful’ (16.64%). Total acidity (TA) significantly differed among cultivars and ranged from 1.6% to 2.1%. According to the TSS/TA ratio investigated cultivars belong to the group of sour-sweet cultivars. Dissimilarity between cultivars was found in the phenolics content (TPC). It ranged from 679.6 to 906.6 mg/100 g D.W. where ‘Hicaznar’ stood out as a cultivar with highest TPC and also highest flavonoid and non-flavonoid content (521.1 mg/100 g D.W. and 385.5 mg/100 g D.W., respectively). In ‘Granada’ antioxidant activity measured by 1,1-diphenyl-2-picrylhydrazyl was recorded for 64.1%, in ‘Wonderful’ 70.2% and the highest in ‘Hicaznar’ (74.5%). Results of this assessment are the basis for practical determination of the pomegranate use., Uzorci plodova sorata ‘Granada’, ‘Wonderful’ i ‘Hicaznar’ prikupljeni su u proizvodnom nasadu šipka u dolini rijeke Neretve, Metković (Hrvatska) te su uspoređene njihove pomološke i kemijske karakteristike. Između istraživanih sorata utvrđene su značajne razlike. Masa ploda varirala je od 429,37 g do 359,43 g, a najmanja masa ploda utvrđena je kod sorte ‘Hicaznar’. Boja kore i arilusa (zrna) te soka svih istraživanih sorata je crvena odnosno tamno crvena. Plodovi sorte 'Granada' i 'Wonderful' istaknuli su se višim randmanom soka u usporedbi sa sortom 'Hicaznar'. Sadržaj topljive suhe tvari (TSS) sorte ‘Hicaznar’ (18,61%) je veći u odnosu na TSS sorte ‘Wonderful’ (16,64%). Ukupna kiselost (TA) se značajno razlikovala između sorata i varirala je od 1,6% do 2,1%. Temeljem TSS/TA odnosa istraživane sorte pripadaju skupini kiselo-slatkih sorata. Različitost između sorata utvrđena je u sadržaju fenolnih spojeva (TPC) koji su bili u rasponu od 679,6 do 906,6 mg/100 g s.tv. Sorta ‘Hicaznar’ se istakla najvećim sadržajem ukupnih fenola, kao i sadržajem flavonoida i ne-flavonoida (521,1 mg/100 g s.tv. i 385,5 mg/100 g s.tv.). Antioksidacijska aktivnost mjerena sa 1,1-diphenyl-2-picrylhydrazyl sorte ‘Granada’ iznosila je 64,1%, ‘Wonderful’ 70,2%, a najveća je bila kod sorte ‘Hicaznar’ (74.5%). Rezultati ovog istraživanja osnova su za definiranje mogućnosti uporabe šipka.
- Published
- 2017