Journal
SUSTAINABILITY
Volume 14, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/su14095151
Keywords
biodiversity; fatty acid composition; oleic acid; accession; genetic improvement; oleaster
Funding
- biodiversity project in Syria: Biodiversity
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This study evaluates the technological and production specifications of 20 wild olive phenotypes from Hama Province, Syria. It finds that two phenotypes show high-quality properties and can be promising for olive genetic improvement. Further research on their minor compounds and stress resistance is important.
This study presents the evaluation of some technological and production specifications of 20 selected wild olive (oleaster) phenotypes from Hama Province, western-central Syria. The analyses of oil quantity showed that the olive oil (OO) extracted ranged from 10.43 to 29.3%. The fatty acid composition determined by gas chromatography (m/m%, methyl esters), conforming to commercial standards, showed the percentages of palmitic (ranged 13.2-15.06%), stearic (2.27-4.2%), arachidic (0.42-0.7%), palmitoleic (0.73-1.25%), oleic (64.29-73.17%), linoleic (8.96-16.45%), and linolenic (0.23-1.6%). Our results suggest that, despite being in a harsh environment and lacking agricultural service, two wild olive phenotypes (WA4, WA6) are interesting since their fruits showed high-quality properties (fruit weight 2.16, 3.24 g; flesh 75.83, 86.2, respectively), high content of OO% (29.27, 29.01, respectively), and better fatty acid composition (oleic % 68.45, 66.74, respectively). This enables them to be a very promising introductory feature in olive genetic improvement processes. Thus, both phenotypes were adopted tentatively as inputs, the first for oil purposes and the second for dual purposes (oil and table olives). It will be important to further evaluate these promising phenotypes in terms of their OO minor compounds, as well as their ability to resist biotic and abiotic stresses.
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