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The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica)


Voća, Sandra; Dobričević , Nadica; Galić , Kata; Borošić , Josip; Voća, Neven
The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica) // Deutsche Lebensmittel-Rundschau, 103 (2007), 3; 119-124 (međunarodna recenzija, članak, znanstveni)


Naslov
The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica)

Autori
Voća, Sandra ; Dobričević , Nadica ; Galić , Kata ; Borošić , Josip ; Voća, Neven

Izvornik
Deutsche Lebensmittel-Rundschau (0012-0413) 103 (2007), 3; 119-124

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Shelf-life of broccoli; broccoli cultivars; polyethylene film

Sažetak
Research was conducted on two broccoli cultivars (Tambora and Kermit) during two years. Influence of polyethylene film on physical and chemical changes, (total acidity, pH values, vitamin C (ascorbic acid), total chlorophyll, and total carotenoid) as well as gas permeability of polyethylene film were investigated. Average broccoli inflorescence were stored, at 4°C temperature and 95% of air humidity, without polyethylene film (-PE) and packed in polyethylene film (+PE), for ten days. Broccoli mass lost, in the samples stored in (+PE) mass loss was negligible and through both years of the research it was around 0.25 %. Higher mass loss (9.84%) was recorded in the samples without polyethylene (-PE). Loss of vitamin C in (+PE) samples was in average 8.09%, and in (-PE) samples it was 18.08%. Measured values of pH were aligned in both storage systems, and ranged from 6.28 to 6.80. This was also the case for total acid values expressed as g/l of citric acid, which ranged from 1.01 to 2.30 g/l. Chlorophyll loss was in average 20.44% for (+PE) storage of samples, and 27.93% for (-PE) samples. Carotenoid loss in (+PE) samples was in average 75.68%, and in (-PE) samples it was around 78.55%. In both research years, air permeability values of polyethylene film ranged from 239 to 463 cm 3m-2d-1 bar1. It is determined that packaging of broccoli in polyethylene film and storage at 4°C and 95% humidity, can maintain its quality during 10 days.

Izvorni jezik
Engleski

Znanstvena područja
Prehrambena tehnologija



POVEZANOST RADA


Projekt / tema
058-1252971-2805 - Permeacijska svojstva nekih polimernih materijala za pakiranje hrane (Kata Galić, )

Ustanove
Prehrambeno-biotehnološki fakultet, Zagreb

Profili:

Avatar Url Kata Galić (autor)

Avatar Url Josip Borošić (autor)

Avatar Url Nadica Dobričević (autor)

Avatar Url Neven Voća (autor)

Avatar Url Sandra Voća (autor)

Citiraj ovu publikaciju

Voća, Sandra; Dobričević , Nadica; Galić , Kata; Borošić , Josip; Voća, Neven
The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica) // Deutsche Lebensmittel-Rundschau, 103 (2007), 3; 119-124 (međunarodna recenzija, članak, znanstveni)
Voća, S., Dobričević, , N., Galić, , K., Borošić, , J. & Voća, N. (2007) The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica). Deutsche Lebensmittel-Rundschau, 103 (3), 119-124.
@article{article, year = {2007}, pages = {119-124}, keywords = {Shelf-life of broccoli, broccoli cultivars, polyethylene film}, journal = {Deutsche Lebensmittel-Rundschau}, volume = {103}, number = {3}, issn = {0012-0413}, title = {The effects of polyethylene film on the shelf-life of cold-stored broccoli (Brassica Oleracea var. Italica)}, keyword = {Shelf-life of broccoli, broccoli cultivars, polyethylene film} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus