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Título: Environmental effect on sunflower oil quality
Autor(es): Regitano Neto, Amadeu; et. al.







Palavras-chave: Helianthus annuus
High oleic
Data do documento: 2016
Citação: Crop Breeding and Applied Biotechnology (BSPB), Viçosa, vol.16, n.3, 8p. Jul.-Set./2016.
Resumo: Sunflower is one of the most important oilseed crops and produces a high-quality edible oil. Balance of fatty acids in standard sunflower oil shows preponderance of linoleic rather than oleic acid, and conditions during seed development, such as temperature, changes the oleic/linoleic ratio of the oil. This work aimed to evaluate the environmental effect on fatty acid profile in a group of standard and high oleic varieties and hybrids. Seeds were produced during regular season crop and during off-season crop featuring different temperatures from anthesis to maturity. Fatty acid composition was determined by gas chromatography. Levels of oleic acid, in standard oil genotypes, raised as the crop developed in warmer environment while levels of linoleic acid decreased, and the opposite was observed when the crop was grown under lower temperature. High oleic genotypes were less sensitive to environment switching and showed lower variation on fatty acid composition.
URI: http://repositorio.ital.sp.gov.br/jspui/handle/123456789/273
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