Analysis of the volatile concentrate of the leaves and flowers of Helichrysum italicum (Roth) Don ssp. microphyllum (Willd.) Nyman (Asteraceae) by supercritical fluid extraction and their essential oils
Helichrysum italicum ssp. microphyllum extract was isolated by supercritical CO2 extraction with a fractional separation technique. Operative conditions were: extractor, 90 bar and 50 degrees C for 240 min; first separator, 90 bar and -10 degrees C; second separator, 15 bar and 15 degrees C. GC/MS a...
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| Veröffentlicht in: | The Journal of essential oil research 2003-03, Vol.15 (2), p.120-126 |
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| container_title | The Journal of essential oil research |
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| creator | Marongiu, B Piras, A Desogus, E Porcedda, S Ballero, M |
| description | Helichrysum italicum ssp. microphyllum extract was isolated by supercritical CO2 extraction with a fractional separation technique. Operative conditions were: extractor, 90 bar and 50 degrees C for 240 min; first separator, 90 bar and -10 degrees C; second separator, 15 bar and 15 degrees C. GC/MS analysis of the leaf volatile concentrate revealed that it mainly consisted of neryl acetate (26.0%), nerol (9.1%), neryl propionate (6.7%). gamma-curcumene (10.8%) and cis-dihydrooccidentalol (4.3%). The differences observed between the composition of the SFE volatile concentrate and the hydrodistilled oil were minor. |
| doi_str_mv | 10.1080/10412905.2003.9712087 |
| format | Article |
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Nyman (Asteraceae) by supercritical fluid extraction and their essential oils</title><title>The Journal of essential oil research</title><description>Helichrysum italicum ssp. microphyllum extract was isolated by supercritical CO2 extraction with a fractional separation technique. Operative conditions were: extractor, 90 bar and 50 degrees C for 240 min; first separator, 90 bar and -10 degrees C; second separator, 15 bar and 15 degrees C. GC/MS analysis of the leaf volatile concentrate revealed that it mainly consisted of neryl acetate (26.0%), nerol (9.1%), neryl propionate (6.7%). gamma-curcumene (10.8%) and cis-dihydrooccidentalol (4.3%). 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Nyman (Asteraceae) by supercritical fluid extraction and their essential oils</atitle><jtitle>The Journal of essential oil research</jtitle><date>2003-03-01</date><risdate>2003</risdate><volume>15</volume><issue>2</issue><spage>120</spage><epage>126</epage><pages>120-126</pages><issn>1041-2905</issn><eissn>2163-8152</eissn><abstract>Helichrysum italicum ssp. microphyllum extract was isolated by supercritical CO2 extraction with a fractional separation technique. Operative conditions were: extractor, 90 bar and 50 degrees C for 240 min; first separator, 90 bar and -10 degrees C; second separator, 15 bar and 15 degrees C. GC/MS analysis of the leaf volatile concentrate revealed that it mainly consisted of neryl acetate (26.0%), nerol (9.1%), neryl propionate (6.7%). gamma-curcumene (10.8%) and cis-dihydrooccidentalol (4.3%). The differences observed between the composition of the SFE volatile concentrate and the hydrodistilled oil were minor.</abstract><pub>Taylor & Francis Group</pub><doi>10.1080/10412905.2003.9712087</doi><tpages>7</tpages></addata></record> |
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| subjects | acetates aerial parts animal pathogenic bacteria animal pathogenic fungi antibacterial properties antifungal properties Asteraceae carbon dioxide chemical composition cis-dihydro-occidentantol distillates essential oil composition essential oils extract composition flowers gamma-curcumene Helichrysum italicum Helichrysum italicum ssp. microphyllum Helichrysum italicum subsp. microphyllum leaves neryl acetate plant extracts separation shrubs supercritical CO supercritical fluid extraction volatile organic compounds wild plants γ-curcumene |
| title | Analysis of the volatile concentrate of the leaves and flowers of Helichrysum italicum (Roth) Don ssp. microphyllum (Willd.) Nyman (Asteraceae) by supercritical fluid extraction and their essential oils |
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