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| Oil contents and fatty acid compositions of Vernicia fordii seeds fromone hundred excellent families |
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| KeyWord:Vernicia fordii family oil content fatty acid composition |
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| Abstract: |
| The oil contents of Vernicia fordii seeds from one hundred excellent families were determined by Soxhlet extraction method with light petroleum, and the fatty acid compositions of tung oil were analyzed by GC. The results showed that oil contents of Vernicia fordii seeds were mainly between 50.00% and 60.00%, the highest oil content was 62.55%, the lowest oil content was 46.95%, and the average oil content was 55.24%. Tung oil was mainly composed of eleostearic acid (75.23% - 87.19%, 69.83%-84.11% for α- eleostearic acid, 1.66%-10.14% for β- eleostearic acid), linoleic acid(5.40%-9.03%), oleic acid(3.20%-9.42%), stearic acid(1.71%-3.64%), palmitic acid (1.86%-2.96%)and linolenic acid(0.28%-0.79%).The average values of them were 81.97%（78.07% for α- eleostearic acid and 3.91% for β- eleostearic acid）,6.88%,5.88%,2.41%,2.30% and 0.56%, respectively. The results indicated that the oil contents of Vernicia fordii seeds from excellent families were high, and the variances were significant in the oil content and the contents of α- eleostearic acid, β- eleostearic acid, linoleic acid and oleic acid, while the variances were not significant in the contents of stearic acid, palmitic acid and linolenic acid from different families. |
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