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Extraction of polyphenols and valorization of fibers from Istrian-grown pomegranate (Punica granatum L.)
ID
Skrt, Mihaela
(
Avtor
),
ID
Albreht, Alen
(
Avtor
),
ID
Vovk, Irena
(
Avtor
),
ID
Constantin, Oana Emilia
(
Avtor
),
ID
Râpeanu, Gabriela
(
Avtor
),
ID
Sežun, Mija
(
Avtor
),
ID
Osojnik Črnivec, Ilja Gasan
(
Avtor
),
ID
Zalar, Uroš
(
Avtor
),
ID
Poklar Ulrih, Nataša
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(794,28 KB)
MD5: 375B8216F38FD1713C8EDA80075B6E03
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2304-8158/11/18/2740
Galerija slik
Izvleček
Pomegranate fruit is an ancient fruit that is used not only because of its deep-red color and tasty arils but also due to the health benefits of its extracts. Pomegranate is a valuable source of bioactive compounds, including colorful anthocyanins and other polyphenols. The main objective of the present study was to gain comprehensive knowledge of the phenolic composition and antioxidative activity of a new pomegranate cultivar, grown in Northwest Istria, a part of the North Adriatic coastal area. Various parts of the pomegranate fruit parts were extracted in 70% ethanol or water. Total phenolic content and antioxidative capacity were respectively determined with Folin–Ciocalteu reagent and ABTS radical. Phenolics were examined and analyzed with TLC, LC-MS, and HPLC. Pomegranate juice was prepared from red arils and after thermal treatment, the stability of anthocyanins was monitored for several months to understand the effect of storage. The highest total phenolics were determined in ethanol pomegranate peel extracts (30.5 ± 0.6 mg GAE/g DM), and water peel extracts exhibited the highest antioxidative activity (128 ± 2 µg TE/g DM). After five months of storage of thermally treated pomegranate juice, 50–60 percentage points increase in anthocyanin degradation was observed. Pomegranate peel was further tested as a sustainable inedible food source for papermaking. Due to the low content of cellulose and the high percentage of extractives, as well as a distinguished texture and appearance, the paper made from pomegranate peel is best suited for the production of specialty papers, making it particularly interesting for bioactives recovery, followed by material restructuring.
Jezik:
Angleški jezik
Ključne besede:
pomegranate
,
pomegranate fruit
,
pomegranate juice
,
processing residues
,
bioactive compounds
,
antioxidants
,
phenolics
,
flavonoids
,
anthocyanins
,
fibrous compounds
,
lignocellulose
,
papermaking
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2022
Št. strani:
19 str.
Številčenje:
Vol. 11, iss. 18, art. 2740
PID:
20.500.12556/RUL-142722
UDK:
634.64:547.56:676
ISSN pri članku:
2304-8158
DOI:
10.3390/foods11182740
COBISS.SI-ID:
123836931
Datum objave v RUL:
22.11.2022
Število ogledov:
637
Število prenosov:
97
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Foods
Skrajšan naslov:
Foods
Založnik:
MDPI
ISSN:
2304-8158
COBISS.SI-ID:
512252472
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
granatno jabolko
,
bioaktivne spojine
,
antioksidanti
,
fenolne spojine
,
proizvodnja papirja
Projekti
Financer:
EC - European Commission
Program financ.:
European Regional Development Fund
Številka projekta:
SI-HR-3-2-001
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Slovenia, Government Office for Development and European Cohesion Policy
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0121
Naslov:
Biokemijska in biofizikalno-kemijska karakterizacija naravnih snovi
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P1-0005
Naslov:
Funkcionalna živila in prehranska dopolnila
Financer:
EC - European Commission
Program financ.:
H2020
Številka projekta:
871083
Naslov:
METROFOOD-RI Preparatory Phase Project
Akronim:
METROFOOD-PP
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