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| Oil contents in flaxseeds from different origins and fatty acid compositions of flaxseed oils |
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| DOI： |
| KeyWord:flaxseed oil content fatty acid composition linolenic acid linoleic acid oleic acid |
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| Abstract: |
| Oil contents in flaxseed from six different origins and fatty acid compositions of flaxseed oils were measured and analyzed by Soxhlet extraction and GS-MS. The results showed that the oil contents of flaxseeds from different origins ranged from 36.59% to 44.88%.The oil contents were significantly and negatively correlated with accumulated growing season temperatures （r=-0.839 5, P=0.036 6）. Fatty acids of flaxseed oils were mainly composed of linolenic acid （53.36%-65.84%）, linoleic acid （10.14%-16.39%）, oleic acid （10.03%-12.37%）, stearic acid （3.98%-9.85%） and palmitic acid （2.41%-7.97%）. The unsaturated fatty acids contents were up to 77.51%-92.39%. Based on oil contents and unsaturated fatty acid contents, flaxseed oil from Longnan district exhibited obvious advantages. |
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