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| Comparison of oil contents and fatty acid compositions between developing sea buckthorn pulp and seed |
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| KeyWord:sea buckthorn pulp seed oil content fatty acid composition |
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| Abstract: |
| The developing sea buckthorn pulps and seeds of the line ‘Xin’e 3’ were harvested as experimental materials on June 25, July 6, July 17, July 28, August 8, August 19, August 30 and September 10 in 2015. The oil content was determined by the method of chloroform methanol and the fatty acid composition was determined by GC-MS method. The accumulation and distribution patterns of oil and fatty acids between non-seed tissue (pulp) and seed were compared. The results showed that the oil contents in the developing dry pulps of ‘Xin’e 3’ were higher than that in seeds except for June 25. The rapid accumulations of oil occurred during the period of color transformation of tissue, and the increasing rates of oil content in dry pulps were higher than that in seeds. The content of each fatty acid between pulp oils and seed oils had minor differences in the early stage of development. The palmitic acid and palmitoleic acid in pulp oils were highly accumulated along with the maturation of fruit,while they decreased gradually in seed oils. The linoleic acid and linolenic acid were highly accumulated in seed oils, however, the contents of them in pulp oils were very low. The ratios of linoleic acid to linolenic acid in seeds and monounsaturated fatty acid to saturated fatty acid in seeds and pulps met the international standards of healthy edible oil. |
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