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Modified atmospheric CO$_2$ levels for maintenance of fruit weight and nutritional quality upon long-term storage in blueberry (Vaccinium corymbosum L.) 'Liberty'
ID
Smrke, Tina
(
Avtor
),
ID
Cvelbar Weber, Nika
(
Avtor
),
ID
Veberič, Robert
(
Avtor
),
ID
Hudina, Metka
(
Avtor
),
ID
Jakopič, Jerneja
(
Avtor
)
PDF - Predstavitvena datoteka,
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MD5: 85E99AFDF49833D02E7DC997101DA026
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2311-7524/7/11/478
Galerija slik
Izvleček
Blueberry fruits have gained consumer attention in recent years due to their good taste and high nutritional value. However, the short shelf-life of the fruit is one of the main downsides in intensive blueberry production. Therefore, optimized storage technology with a modified atmosphere is necessary to prolong blueberry fruit quality on the market. The aim of this study was to investigate long-term storage of fruit of the highbush blueberry (Vaccinium corymbosum L.) ‘Liberty’ under the air control (0.5% CO$_2$, 19.5% O$_2$, 80% N$_2$) and controlled atmosphere conditions of: 5% CO$_2$, 5% O$_2$, 90% N$_2$; 15% CO$_2$, 5% O$_2$, 80% N$_2$; and 25% CO$_2$, 5% O$_2$, 70% N$_2$. Fruit sampling was performed four times during storage (17, 30, 44, 62 days). Evaluation was carried out for fruit weight, total and individual sugar and organic acid contents, sugar-to-organic acid ratio, and individual phenolics contents. After 44 days of storage, weight loss was highest with 15% CO$_2$ and lowest with 5% CO$_2$, with minor variations. The greatest breakdown of total sugars was seen for the air control, and the least for 25% CO$_2$. Organic acids were significantly reduced under all of these storage conditions. Consequently, a high sugar-to-organic acid ratio was maintained in fruit stored with 25% CO$_2$. The contents of all of the identified phenolics significantly decreased with 15% and 25% CO$_2$. After 62 days of storage with 5% CO$_2$, there were small decreases in flavan-3-ols and hydroxycinnamic acids, while flavonoid and anthocyanin contents were unchanged, or for some individual phenolics, content increased. These data show that 15% CO$_2$ or higher accelerates degradation of the phenolics. We can conclude that for maintenance of weight and nutritional quality of the blueberry fruit ‘Liberty’, the optimal controlled atmosphere under long-term storage is 5% CO$_2$, 5% O$_2$, and 90% N$_2$.
Jezik:
Angleški jezik
Ključne besede:
highbush blueberry
,
Vaccinium corymbosum
,
controlled atmosphere
,
storage
,
phenolics
,
weight loss
,
sugar-to-organic acid ratio
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2021
Št. strani:
14 str.
Številčenje:
Vol. 7, iss. 11, art. 478
PID:
20.500.12556/RUL-133117
UDK:
543
ISSN pri članku:
2311-7524
DOI:
10.3390/horticulturae7110478
COBISS.SI-ID:
84572163
Datum objave v RUL:
11.11.2021
Število ogledov:
1015
Število prenosov:
175
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Horticulturae
Skrajšan naslov:
Horticulturae
Založnik:
MDPI
ISSN:
2311-7524
COBISS.SI-ID:
526326297
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.
Začetek licenciranja:
09.11.2021
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
ameriška borovnica
,
skladiščenje
,
nadzorovana atmosfera
,
kemična sestava
,
kakovost
,
izguba teže
,
sladkorji
,
organske kisline
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0133
Naslov:
Trajnostno kmetijstvo
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0013
Naslov:
Hortikultura
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Republic of Slovenia, Ministry of Education, Science and Sport
Številka projekta:
Raziskovalci-2.0-KIS-529016
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Republic of Slovenia, Ministry of Education, Science and Sport
Številka projekta:
C3330-17-529016
Financer:
EC - European Commission
Program financ.:
Structural and Investment Funds
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