Distribution of Persea schiedeana in Mexico and Potential for the Production of Fruits with High-quality Oil

The fruit of Persea schiedeana is consumed in various rural regions of Mexico and Central America and is mainly sold in local markets. Information regarding the ecological conditions where it grows and the potential for its distribution in Mexico has been little studied. The States of Chiapas, Hidalgo, Oaxaca, Puebla, Tabasco, and Veracruz in Mexico were explored to locate P. schiedeana trees. The ecological conditions of the places where P. schiedeana was found were characterized using thematic cartography and by evaluating the ecological niches to identify potential areas for its distribution. The trees were found in wide physiographic, geological, and edaphic conditions, but they were primarily located in semiwarm humid and warm humid climates. Persea schiedeana trees grow from almost sea level to 2000 m in altitude. Zones with the best developmental conditions for P. schiedeana were in the region of the high mountains in the center of Veracruz and the highland zone of northern Oaxaca. The oil obtained from the fruit of P. schiedeana trees growing at 1300 m had high oleic acid content. This wild fruit has the potential for obtaining new products for cosmetic and alimentary industries.

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Genetic Control of High Oleic Acid Content in Sunflower Oil 1

Crop Science ◽

10.2135/cropsci1987.0011183x002700050019x ◽

1987 ◽

Vol 27 (5) ◽

pp. 923-926 ◽

Cited By ~ 73

Author(s):

J. F. Miller ◽

D. C. Zimmerman ◽

B. A. Vick

Keyword(s):

Oleic Acid ◽

Genetic Control ◽

Sunflower Oil ◽

Acid Content ◽

Oleic Acid Content ◽

High Oleic Acid ◽

High Oleic ◽

High Oleic Acid Content

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Genetic Factors Influencing High Oleic Acid Content in Spanish Market‐Type Peanut Cultivars

Crop Science ◽

10.2135/cropsci2001.41151x ◽

2001 ◽

Vol 41 (1) ◽

pp. 51-56 ◽

Cited By ~ 34

Author(s):

Yolanda López ◽

Olin D. Smith ◽

Scott A. Senseman ◽

William L. Rooney

Keyword(s):

Oleic Acid ◽

Acid Content ◽

Genetic Factors ◽

Oleic Acid Content ◽

High Oleic Acid ◽

High Oleic ◽

Factors Influencing ◽

High Oleic Acid Content ◽

Peanut Cultivars

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Review Lecture Disruptive selection

Proceedings of the Royal Society of London Series B Biological Sciences ◽

10.1098/rspb.1972.0070 ◽

1972 ◽

Vol 182 (1067) ◽

pp. 109-143 ◽

Cited By ~ 66

Keyword(s):

Gene Flow ◽

Genetic Variance ◽

Natural Populations ◽

Disruptive Selection ◽

Ecological Niches ◽

Gene Exchange ◽

Bisexual Species ◽

Frequency Dependent ◽

Ecological Conditions ◽

Intermediate Phenotypes

A population is exposed to disruptive selection if more than one phenotype has optimal fitness and intermediate phenotypes have lower fitnesses. Maintenance of the two or more optima may depend upon their relative fitnesses being frequency dependent. Such selection may be expected in two contrasting types of situation. First the two or more optimal phenotypes may depend on one another as do the two sexes in a bisexual species. Secondly the optima may be set by heterogeneity of the environment. Then we may think in terms of a mosaic of ecological niches or a clinal situation, and may expect that gene flow will tend to promote convergence of the sub-populations while disruptive selection tends to promote their divergence. Disruptive selection may therefore be relevant both to the evolution and maintenance of polymorphisms and to the divergence of parts of populations one from another, under the influence of variation of ecological conditions within the range of gametic and/or zygotic dispersal. Disruptive selection has been shown to be capable of increasing phenotypic and genetic variance, of producing and maintaining polymorphisms, of causing divergence of sub-populations between which substantial gene exchange occurs, and of splitting a population into two which are genetically isolated from one another. These results are reviewed and their relevance to natural populations discussed.

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Oil Blends as Biolubricant: Screening of Effect Factors Influence to Basestock

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.594-595.356 ◽

2013 ◽

Vol 594-595 ◽

pp. 356-361

Author(s):

Rozaini Abdullah ◽

Farizul Hafiz Kasim ◽

Siti Nur Amalieya Syaza Mohd Zuki ◽

Noor Hajarul Ashikin Shamsuddin

Keyword(s):

Oleic Acid ◽

Waste Cooking Oil ◽

Molar Ratio ◽

Oleic Acid Content ◽

High Oleic ◽

Mineral Oils ◽

Oil Blends ◽

Blending Process ◽

Main Factors ◽

Fatty Acid Compositions

The price fluctuation and negative environmental effect of mineral oil-based lubricant are the main factors which instigate the research on high-oleic vegetable oil as its possible replacement. In this study, the factors involved in blending process of waste cooking oil (WCO) and Jatropha curcas oil (JCO) as biolubricant basestock were investigated using 2-level factorial design. The molar ratio of WCO to the JCO (WCO:JCO), stirring speed and blending times were the three factors studied. The WCO:JCO, stirring speed and the blending time were found to be significant to the increased of oleic acid content in the basestock. The highest percentage of oleic acid achieved was 53.31 % at molar ratio of WCO:JCO at 20:80, 350 rpm and time at 30 minutes. Thus this study exposed the potential of new blending oil which are comparable with other vegetable and mineral oils as base stock for bio-lubricant in term of fatty acid compositions.

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Inheritance of oleic acid content in F2 and a population of recombinant inbred lines segregating for the high oleic trait in sunflower

Helia ◽

10.2298/hel0236085l ◽

2002 ◽

Vol 25 (36) ◽

pp. 85-94 ◽

Cited By ~ 4

Author(s):

Séverine Lacombe ◽

Sandrine Léger ◽

François Kaan ◽

André Bervillé

Keyword(s):

Oleic Acid ◽

Recombinant Inbred ◽

Acid Content ◽

Recombinant Inbred Lines ◽

Inbred Lines ◽

Oleic Acid Content ◽

High Oleic

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THE PROBLEM OF DETECTION OF HETEROZYGOUS GENOTYPES BY MUTATION OF THE FAD 2-1 GENE OF SUNFLOWER (HELIANTHUS ANNUUS L.) USING DNA MARKERS

10.25230/conf11-2021-102-106 ◽

2021 ◽

Author(s):

D.L. Savichenko ◽

◽

S.Z. Guchetl ◽

Keyword(s):

Dna Markers ◽

Mutant Allele ◽

Dna Marker ◽

Oleic Acid Content ◽

Wild Type ◽

High Oleic Acid ◽

Marker System ◽

High Oleic ◽

High Oleic Acid Content ◽

Search For Information

The development of marker-associated breeding requires the development of DNA marker systems that meet the needs of the breeding process. We are looking for the opportunities to improve the efficiency of breeding for high oleic acid content in sunflower oil. One of the directions is the improvement of the existing marker system for detection the heterozygous status of the alleles of the FAD 2-1 gene. We carried out the search for information published in databases on this DNA locus. We studied the structure of the nucleotide sequences of the mutant allele and the wild-type allele. We proposed the way of improving the existing marker system.

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IDENTIFICATION OF HIGH SEED OIL YIELD AND HIGH OLEIC ACID CONTENT IN BRAZILIAN GERMPLASM OF WINTER SQUASH (Cucurbita moschata D.)

10.1101/2021.07.23.453548 ◽

2021 ◽

Author(s):

Ronaldo Silva Gomes ◽

Ronaldo Machado Júnior ◽

Cleverson Freitas de Almeida ◽

Rebeca Lourenço de Oliveira ◽

Rafael Ravaneli Chagas ◽

...

Keyword(s):

Oleic Acid ◽

Acid Content ◽

Seed Oil ◽

Linoleic Acid Content ◽

Oleic Acid Content ◽

Cucurbita Moschata ◽

High Oleic Acid ◽

Genetic Breeding ◽

High Oleic ◽

High Oleic Acid Content

Cucurbita moschata D. seed oil contains approximately 75% unsaturated fatty acids, with high levels of monounsaturated fatty acids and antioxidant compounds such as vitamin E and carotenoid, constituting a promising food in nutritional terms. Associated to this, the Brazilian germplasm of C. moschata exhibits remarkable variability, representing an important source for the genetic breeding of this vegetable and other cucurbits. In this context, the present study evaluated the productivity and profile of the seed oil of 91 C. moschata accessions from different regions of Brazil and maintained in the Vegetable Germplasm Bank of the Federal University of Viçosa (BGH-UFV). A field experiment was conducted between January and July 2016. The tested C. moschata accessions showed high genetic variability in terms of characteristics related to seed oil productivity (SOP), such as the mass of seeds per fruit and productivity of seeds, providing predicted selection gains of 29.39 g and 0.26 t ha -1 , respectively. Based on the phenotypic and genotypic correlations, greater SOP can be achieved while maintaining high oleic acid content and low linoleic acid content, providing oil of better nutritional and chemical quality. In variability analysis, the accessions were clustered into five groups, which presented different averages for SOP and fatty acid content of seed oil; approach that will guide the use of appropriate germplasm in programs aimed at genetic breeding for SOP and seed oil profile. Per se analysis identified BGH-4610, BGH-5485A, BGH-6590, BGH-5556A, BGH-5472A, and BGH-5544A as the most promising accessions in terms of SOP, with average (m+g) of approximately 0.20 t ha -1 . The most promising accessions for higher oleic acid content of seed oil were BGH-5456A, BGH-3333A, BGH-5361A, BGH-5472A, BGH-5544A, BGH-5453A, and BGH-1749, with average (m+g) of approximately 30%, and almost all of these accessions were also the most promising in terms of lower linoleic acid content of seed oil, with average (m+g) of approximately 45%. Overall, part of the C. moschata accessions evaluated in the present study can serve as a promising resource in genetic breeding programs for SOP and fatty acid profile, aiming at the production of oil with better nutritional and physicochemical quality.

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‘Zeitoun Ennour’: A new olive (Olea europaea L.) cultivar in Tunisia with high oil quality

Genetic Resources ◽

10.46265/genresj/fiqj8274 ◽

2021 ◽

Vol 2 (4) ◽

pp. 1-6

Author(s):

Fathi Ben Amar ◽

Imen Guellaoui ◽

Mohamed Ayadi ◽

Olfa Elloumi ◽

Mohamed Ali Triki ◽

...

Keyword(s):

Fatty Acid Composition ◽

Fatty Acid ◽

Acid Composition ◽

Oil Quality ◽

Oleic Acid Content ◽

Dual Purpose ◽

High Oleic ◽

Local Cultivar ◽

Self Compatibility ◽

Late Maturity

An olive breeding program was started in Tunisia in 1993 in order mainly to improve the fatty acid composition of the local cultivar ‘Chemlali Sfax’. ‘Zeitoun Ennour’ is a new cultivar obtained from a cross between ‘Chemlali Sfax’ and the local dual-purpose use cultivar ‘Chemchali Gafsa’. The morphological study of this cultivar showed that eleven characters dealing with fruit and endocarp differed from ‘Chemlali Sfax’, mainly regarding to their respective weights. This new cultivar had the same sensitivity to Verticillium dahliae Kleb and earlier bearing than the original variety. Its olive production was considered as high as for ‘Chemlali Sfax’ but with partial self-compatibility and late maturity. The new cultivar realized a net improvement in comparison with the original cultivar particularly regarding its fatty acid composition with very high oleic acid content (>75 %) and low palmitic and linoleic acid contents (<10 %). The new cultivar was recently released and will be available for growers as soon as possible.

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