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Abstract:
In this investigation work, Fatty acids components produced by Oak tree fruits were determined as a Fat content in acorn, pericarp and cupules in the three Oak species (Q. aegilops subsp brantii, Q. libani and Q. infectoria). The plant samples were collected in Khamza Mountain Oak forest of Sulaimani / Kurdistan Region during October 2008. Exposed to air room temperature for drying and ground to fine powder by electric blender then stored in a plastic containers at 4°C.
In the preliminary step Fat detected from acorn, pericarp and cupules by “Soxhlet” method and the various Fatty acids (saturated & unsaturated) were separated and determined by GLC. The amount of saturated Fatty acids in the acorn of the Q.aegilops subsp brantii, Q. libani and Q. infectoria were more than 25%, 7% and 18% while in the pericarp were more than 9%, 12% and 11% but in the cupules were more than 9%, 10% and 10% respectively. The amount of unsaturated Fatty acids in the acorn of the Q. aegilops subsp brantii, Q. libani and Q. infectoria were more than70%,91% and 79% while in the pericarp were more than 87%, 84% and 81%, but in the cupules were more than 87%, 88% and 84% respectively. The most abundant Fatty acids found in the acorn, pericarp and cupules were Oleic followed by Lenoleic, except the cupules of Q. infectoria, the most abundant Fatty acids was Lenoleic followed by Oleic.
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