Influence of germ storage from different corn genotypes on technological properties and fatty acid, tocopherol, and carotenoid profiles of oil
The objective was to evaluate the influence of germ storage (0, 30, and 60 days) from different corn genotypes (yellow floury, white floury, and yellow flint corn) on technological properties and fatty acid, tocopherol, and carotenoid profiles of oil. There was an increase in γ-tocopherol, lutein, z...
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Veröffentlicht in: | European food research & technology 2021-06, Vol.247 (6), p.1449-1460 |
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Sprache: | eng |
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Zusammenfassung: | The objective was to evaluate the influence of germ storage (0, 30, and 60 days) from different corn genotypes (yellow floury, white floury, and yellow flint corn) on technological properties and fatty acid, tocopherol, and carotenoid profiles of oil. There was an increase in γ-tocopherol, lutein, zeaxanthin, and cryptoxanthin in yellow flint corn oil according to the increase of storage time. There was a reduction in linoleic acid in yellow floury and flint corn oils as the storage time increased. There was a reduction in γ-tocopherol and lutein in yellow and white floury corn as the storage time increased. The α-tocopherol decreased during storage in all genotypes. Yellow flint corn is indicated for extraction of oil due to the great conservation of germ during storage and higher content of carotenoids. White floury corn, despite having a higher content of tocopherols in oil, showed higher degradation during storage which increases the production costs of oil.
Graphic abstract |
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ISSN: | 1438-2377 1438-2385 |
DOI: | 10.1007/s00217-021-03723-z |