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Analysis of physicochemical index and fatty acid composition of Elsholtzia cypriani seed oil
  
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KeyWord:Elsholtzia cypriani  seed oil  physicochemical index  fatty acid
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MEI Wenquan, WANG Lili, YANG Juan，etc  
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Abstract:
      The physicochemical index of Elsholtzia cypriani seed oil was analyzed by national standard method, and the fatty acid composition of Elsholtzia cypriani seed oil was analyzed by gas chromatography-mass spectrometry (GC-MS). The results showed that the oil content of Elsholtzia cypriani seed was 26.82%. The relative density, refractive index, acid value, peroxide value and iodine value of Elsholtzia cypriani seed oil were 0.928 9, 1.482 2, 1.92 mgKOH/g, 6.20 mmol/kg and 190.5 gI/100 g, respectively. The contents of unsaturated acid and saturated acid in Elsholtzia cypriani seeds oil were 88.96% and 11.04% respectively, in which the contents of α-linolenic acid, linoleic acid, oleic acid, palmitic acid, stearic acid, arachidic acid, eicosenoate acid, palmitoleate, eicosadienoic acid and docosanoic acid were 53.92%,26.61%, 8.22%, 7.75%, 2.93%, 0.31%, 0.10%, 0.06%,0.05% and 0.05%, respectively.
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