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ISOLATION AND FRACTIONAL SEPARATION OF TARRAGON ESSENTIAL OIL BY SUPERCRITICAL FLUIDKeywords: supercritical fluid , supercritical extraction , supercritical carbon dioxide , essential oils , tarragon Abstract: The experimental results of supercritical CO2 extraction on tarragon essential oil at 50 C and 90 bar are presented. The chemical composition and the yield of the supercritical extract are compared with those of the tarragon oil isolated by conventional hydrodistillation method.
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