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Comparison of lipid composition of cold-pressed flaxseed oil from different origins
  
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KeyWord:origin  cold-pressed flaxseed oil  fatty acid composition  total polyphenol  tocopherol  phytosterol
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Author NameAffiliation
ZHOU Yang，HUANG Jianhua，JIN Qingzhe，etc  
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Abstract:
      With three kinds of cold-pressed flaxseed oils from Canada, two kinds of cold-pressed flaxseed oils from China and one kind of cold-pressed flaxseed oil from New Zealand as experimental materials, the lipid composition of cold-pressed flaxseed oils from different origins were comparatively analyzed. The results showed that there was no significant difference in fatty acid composition between experimental materials from different origins, mainly consisting of α-linolenic acid, linoleic acid, oleic acid, stearic acid and palmitic acid. Significant difference happened on the content and composition of micronutrients between the six kinds of cold-pressed flaxseed oils. The second example from Canada had the highest content of total polyphenol and phytosterol, which were 38.06 mgGAE/kg and 3 671.16 mg/kg respectively and the third example from Canada had the highest content of total tocopherol, which was 536.62 mg/kg.
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