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|Título:||Behavior of Flavonols and Carotenoids of Minimally Processed Kale Leaves during Storage in Passive Modified Atmosphere Packaging|
|Autor(es):||Kobori, C. N.|
Huber, L. S.
Sarantópoulos, C. I. G. L.
Rodriguez-Amaya, D. B.
Modified atmosphere packaging
|Data do documento:||2011|
|Citação:||Journal of Food Science, Chicago, v. 76, n. 2, p. H31-H37, 2011|
|Resumo:||Minimally processed kale leaves were packed in passive modified atmosphere and stored at 3 conditions: 1 ◦C in the dark and 11 ◦C with or without light exposure. The products were evaluated during storage in terms of headspace gas composition, sensory attributes, flavonol, and carotenoid contents. The sensory quality decreased slightly during 17 d at 1 ◦C in the dark. At 11 ◦C, the vegetable shelf life was predicted to be 6 d in the dark and 3 d with light. Quercetin and kaempferol were stable during storage for 15 d at 1 ◦C in the absence of light. At 11 ◦C in the dark, quercetin was stable during 10 d, increasing slightly on the 8th day. Kaempferol decreased up to the 5th day but increased on the 8th day, decreasing again on the 10th day. After 5 d at 11 ◦C under light, the flavonol levels were significantly higher than those of the initial values. Neoxanthin and violaxanthin did not change significantly after 15 d at 1 ◦C in the dark. Lutein and β-carotene, however, decreased 7.1% and 11.3%, respectively. At 11 ◦C in the dark, neoxanthin, violaxanthin, lutein, and β-carotene decreased 16.1%, 13.2%, 24.1%, and 23.7% after 10 d, respectively. At 11 ◦C under light, neoxanthin and lutein had a slight increase while violaxanthin and β-carotene decreased 23.1% and 16.5% after 5 d.|
|Aparece nas coleções:||Artigos cientificos|
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