Environmental effect on sunflower oil quality

Neto, Amadeu Regitano; Miguel, Ana Maria Rauen de Oliveira; Mourad, Anna Lúcia; Henriques, Ercilia Aparecida; Alves, Rosa Maria Vercelino

doi:10.1590/1984-70332016v16n3a30

Cited by 22 publications

(7 citation statements)

References 18 publications

(28 reference statements)

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“…In contrast, the highest linoleic acid contents were obtained in places with lower minimum temperatures (below 21°C) during oil synthesis in achenes: Frei Paulo (2014), Cruz da Almas (2015), and Alagoa Nova (2016). Similar oleic and linoleic acid contents in sunflower achene oil as a function of the minimum temperature during oil synthesis were also reported by Harris et al (1978), Lajara et al (1990), Grunvald et al (2013), Neto et al (2016).…”

Section: Oleic and Linoleic Acidssupporting

confidence: 82%

“…There is an inverse relationship between oleic acid and linoleic acid contents, which can be influenced by environmental conditions, particularly by the minimum temperature during the oil synthesis stages in achenes (Harris, McWilliam, & Mason, 1978;Lajara, Díaz, & Quidiello, 1990;Grunvald et al, 2013;Neto, Miguel, Mourad, Henriques, & Alves, 2016;Carvalho et al, 2018). In warmer regions, there was a tendency to produce oils with higher oleic acid contents.…”

Section: Introductionmentioning

confidence: 99%

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Fatty Acid Profile of Sunflower Achene Oil From the Brazilian Semi-arid Region

Carvalho¹,

Caldeira²,

Carvalho³

et al. 2018

JAS

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The analysis of the fatty acid profile of an oil is important for optimizing its use in the processing and food industries. The present work evaluated the fatty acid profile from sunflower achene oil grown in the Brazilian semi-arid region and adjacent regions. The oleic, linoleic, palmitic and stearic acid contents were determined by gas chromatography (GC). An approximate 5 °C increase (from 19 °C to 24 °C) in the minimum temperature during lipid fraction (oil) formation in achenes yielded a 22.6% increase and a 21.9% decrease in the average oleic acid and linoleic acid contents (41.0% to 63.5% and 50.9% to 29.0%, respectively). The saturated fatty acids content tended to decrease as the minimum temperature increased, although the behavior depended on the environment and the tested genotypes. In general, genotypes Aguara 04 and CF 101 presented higher oleic acid and lower linoleic, palmitic and stearic acid contents than did the HELIO 250 and HELIO 251 genotypes.

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Section: Oleic and Linoleic Acidssupporting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Fatty Acid Profile of Sunflower Achene Oil From the Brazilian Semi-arid Region

Carvalho¹,

Caldeira²,

Carvalho³

et al. 2018

JAS

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“…Several oil properties have been characterized as quantitative traits, however, some traits such as oleic acid content (OAC) could, to a certain extent, be considered a semi-qualitative trait since OAC is dependent not only on the environment, but also on the genetic background of the receiver line ( Ferfuia et al, 2015 ; Regitano Neto et al, 2016 ). A partial duplication of the FAD2-1 allele caused by chemical mutation leads to an increase in OAC by silencing the FAD2-1 gene encoding FAD2 (oleoyl-phosphatidylcholine desaturase) ( Lacombe et al, 2002 ; Schuppert et al, 2006 ).…”

Section: Marker Development By Linkage Mappingmentioning

confidence: 99%

Sunflower Hybrid Breeding: From Markers to Genomic Selection

Dimitrijević

Horn

2018

Front. Plant Sci.

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In sunflower, molecular markers for simple traits as, e.g., fertility restoration, high oleic acid content, herbicide tolerance or resistances to Plasmopara halstedii, Puccinia helianthi, or Orobanche cumana have been successfully used in marker-assisted breeding programs for years. However, agronomically important complex quantitative traits like yield, heterosis, drought tolerance, oil content or selection for disease resistance, e.g., against Sclerotinia sclerotiorum have been challenging and will require genome-wide approaches. Plant genetic resources for sunflower are being collected and conserved worldwide that represent valuable resources to study complex traits. Sunflower association panels provide the basis for genome-wide association studies, overcoming disadvantages of biparental populations. Advances in technologies and the availability of the sunflower genome sequence made novel approaches on the whole genome level possible. Genotype-by-sequencing, and whole genome sequencing based on next generation sequencing technologies facilitated the production of large amounts of SNP markers for high density maps as well as SNP arrays and allowed genome-wide association studies and genomic selection in sunflower. Genome wide or candidate gene based association studies have been performed for traits like branching, flowering time, resistance to Sclerotinia head and stalk rot. First steps in genomic selection with regard to hybrid performance and hybrid oil content have shown that genomic selection can successfully address complex quantitative traits in sunflower and will help to speed up sunflower breeding programs in the future. To make sunflower more competitive toward other oil crops higher levels of resistance against pathogens and better yield performance are required. In addition, optimizing plant architecture toward a more complex growth type for higher plant densities has the potential to considerably increase yields per hectare. Integrative approaches combining omic technologies (genomics, transcriptomics, proteomics, metabolomics and phenomics) using bioinformatic tools will facilitate the identification of target genes and markers for complex traits and will give a better insight into the mechanisms behind the traits.

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“…Due to the hydrophilic nature of alginate, it is a poor water vapour barrier, has a high affinity to water vapour and is highly wettable and sensitive to water contact. In this study, it was planned to coat the calcium alginate (Ca‐alginate) film with sunflower oil (SFO) (as a widely used oil in domestic and industrial applications, with the liquid state in ambient temperature, and unsaturation degree of about 90% 18 ) or linseed oil (LSO) (as a drying oil with more than 50% α ‐linolenic acid [C18:3 n ‐3] content and the unsaturation degree of about 90% 19 ) to compare the effect of drying and polymerization of LSO with a usual and non‐drying oil (SFO). When LSO is applied in thin layers on a nonabsorbent substrate, it dries quickly in air to form a hard, non‐melting and water‐insoluble film.…”

Section: Introductionmentioning

confidence: 99%

Improving the water barrier properties of alginate packaging films by submicron coating with drying linseed oil

2021

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Alginates with excellent film‐forming ability have a promising potential as a safe and biodegradable food packaging material, but as a hydrophilic biopolymer, its general weakness against water has limited its applications. To surpass this weakness, in this study, coating of calcium alginate films with linseed or sunflower oils in micrometric (about 4.55 μm) and submicrometric (about 0.45 μm) thickness was performed, and the characteristics of the films were evaluated. All of the films were homogeneous, transparent and almost colourless. Micro‐coated films presented improved ultraviolet absorbing spectra. The scanning electron microscopy (SEM) images proved the formation of homogeneous and continuous submicron‐coated oil layers for both types of the oils, while some inhomogeneity and defects were observed in the micro‐coated films. Oxidative polymerization of linseed oil was confirmed by Fourier transform infrared (FTIR) spectral analyses. The mechanical strength of the films micro‐coated with linseed oil increased. Submicron coating improved water vapour barrier properties (from 2.20 to 2.92 g/mm/m2/day/kPa) as well as water vapour absorption of the alginate film compared to other films. This result was confirmed by thermogravimetric analyses. The increase in surface hydrophobicity of the films by coating resulted in a significant increase in contact angle (from 46.3° to 89.9° in maximum) and reduction of wettability. The film submicron coated with linseed oil showed the best performance with the least water vapour permeability, water vapour absorption and wettability.

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Environmental effect on sunflower oil quality

Cited by 22 publications

References 18 publications

Fatty Acid Profile of Sunflower Achene Oil From the Brazilian Semi-arid Region

Fatty Acid Profile of Sunflower Achene Oil From the Brazilian Semi-arid Region

Sunflower Hybrid Breeding: From Markers to Genomic Selection

Improving the water barrier properties of alginate packaging films by submicron coating with drying linseed oil

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