Environmental effect on sunflower oil quality

被引：20
|
作者：
Neto, Amadeu Regitano [1 ]
Rauen de Oliveira Miguel, Ana Maria [2 ]
Mourad, Anna Lucia [2 ]
Henriques, Ercilia Aparecida [2 ]
Vercelino Alves, Rosa Maria [2 ]
机构：
[1] Embrapa Semiarido, Rodovia BR-428,Km 152,CP 23, BR-56302970 Petrolina, PE, Brazil
[2] ITAL, Inst Tecnol Alimentos, Ave Brasil 2880,CP 139, BR-13070178 Campinas, SP, Brazil
来源：
CROP BREEDING AND APPLIED BIOTECHNOLOGY | 2016年 / 16卷 / 03期
关键词：
Helianthus annuus; high oleic; fatty acid; genotype x environment interaction; FATTY-ACID-COMPOSITION; OLEATE DESATURASE; NIGHT TEMPERATURE; HYBRIDS; SEEDS; LIPIDS; DATE;
D O I：
10.1590/1984-70332016v16n3a30
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
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.
引用
收藏
页码：197 / 204
页数：8
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