Výsledky vyhledávání - "Hans Johan Storesund"

Constituents of the Essential Oil ofLaggera tomentosaSch. Bip. ex Oliv. et Hiern Endemic to Ethiopia

Autor: Nigist Asfaw, Hans Johan Storesund, Lars Skattebøl, Arne J. Aasen

Publikováno v: Journal of Essential Oil Research. 15:102-105

The essential oil from Laggera tomentosa Sch. Bip. ex Oliv. et Hiern (Asteraceae) endemic to Ethiopia was investigated by means of GC, GC/MS and NMR spectroscopy. Forty-nine compounds constituting 94% of the oil were identified. The oil composition w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d24d8e5752c1994667ab7990f382c30
https://doi.org/10.1080/10412905.2003.9712081

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Coexistence of chrysanthenone, filifolone and (Z)-isogeranic acid in hydrodistillates. Artefacts!

Autor: Arne J. Aasen, Nigist Asfaw, Hans Johan Storesund, Lars Skattebøl

Publikováno v: Phytochemistry. 58:489-492

Hydrodistilled oil from leaves of the Ethiopian plant Laggera tomentosa has been shown to contain (−)-chrysanthenone (5%), (−)/(+)-filifolone (92:8; 8%) and (Z)-isogeranic acid (8%)—all likely to be artefacts. The main constituent of the oil, (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4ec6b27b2fbe33bb1c5f608275cef64
https://doi.org/10.1016/s0031-9422(01)00254-0

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(1S,5R)-(−)-2,4,4-Trimethylbicyclo[3.1.1]hept-2-en-6-one, from the essential oil of the Ethiopian plant Laggera tomentosa

Autor: Hans Johan Storesund, Arne J. Aasen, Nigist Asfaw, Lars Skattebøl

Publikováno v: Phytochemistry. 52:1491-1494

Enantiomerically pure (1 S ,5 R )-(−)-2,4,4-trimethylbicyclo[3.1.1]hept-2-en-6-one has been found along with chrysanthenone, thymoquinol dimethyl ether and two stereoisomers of dehydrocitral in the essential oil of Laggera tomentosa , which is ende

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92ada184efee7c571b55e585fde18c3e
https://doi.org/10.1016/s0031-9422(99)00373-8

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Volatile oil constituents of twoThymus species from Ethiopia

Autor: Lars Skattebøl, Hans Johan Storesund, Arne J. Aasen, Finn Tønnesen, Nigist Asfaw

Publikováno v: Flavour and Fragrance Journal. 15:123-125

The volatile oils from Thymus schimperi Ronninger and T. serrulatus Hochst. ex Benth. (Lamiaceae) grown in Ethiopia, have been examined by means of GC and GC–MS. The main constituents of the essential oils of T. schimperi from four regions — Bale

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::adb43fe915d0bbe18ca5e34bb4a6ef43
https://doi.org/10.1002/(sici)1099-1026(200003/04)15:2<123::aid-ffj879>3.0.co

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Volatile Oil ofBecium grandiflorumsubsp.grandiflorum(Lam.) Pic. Serm. from Ethiopia

Autor: Nigist Asfaw, Finn Tønnesen, Hans Johan Storesund, Arne J. Aasen, Lars Skattebøl

Publikováno v: Journal of Essential Oil Research. 12:325-326

The essential oil of Becium grandiflorum subsp. grandiflorum, a perennial aromatic shrub endemic to Ethiopia, was analyzed by GC and GC/MS. The major components of the oil were, in addition to three unknown constituents (10.0%, 9.7%, and 1.7%, respec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc834b267880185eed4da593c1be29fa
https://doi.org/10.1080/10412905.2000.9699527

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