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A. herba alba

Benjilali et al. detected six chemotypes in A. herba-alba (a-thujone, p-thujone, camphor, davanone, cis-chrysanthenyl acetate and chrysanthenone type), which also differed in their geographical origin [170, 171 [. For the latest literature see [172[. [Pg.236]

New naturally occurring monoterpenes having the artemisia skeleton include artemisia ketone epoxide (208), isolated from Artemisia vulgaris and synthesized from prenyl chloride (15, R = Cl), and senecioic acid (59) chloride under Grignard conditions.( + )-Artemisia alcohol (209) has been isolated from A. herba alba [the usually encountered form is the (- )-(S)-isomer (- )-209]. An incompletely characterized triacetate 210 is also reported from the Brazilian plant Calea oxylepis. ... [Pg.316]

Production By steam distillation of the wild mugwort species Artemisia herba-alba from Morocco. Composition A. herba-alba exists as numerous chemotypes that are, however, limited to specific regions. Main components of the classical A., the so-called Marrakech type, are a- and p thujan-3-ones (35 and 5%) and camphor (40%) other types contain up to 60% a-thujanone. [Pg.54]

Derwich, E., Z. Benziane, and A. Boukir. 2009. Chemical compositions and insecticidal activity of essential oils of three plants Artemisia sp. (A. herba-alba, A. absinthium and A. Pontica (Morocco). Electron. J. Environ. Agric. Food Chem., 8 1202-1211. [Pg.119]

Figure 4. Artemisia herba-alba, Branch (a) and Inflorescences (b). ... Figure 4. Artemisia herba-alba, Branch (a) and Inflorescences (b). ...
Figure 5, Artemisia herba-alba on a North-facing Slope (bottom) and Zyqophyllum duroosum on a South-facing Slope (top). ... Figure 5, Artemisia herba-alba on a North-facing Slope (bottom) and Zyqophyllum duroosum on a South-facing Slope (top). ...
Artemisia oil (Armoise oil) is obtained by steam distillation of the herb Artemisia herba-alba Asso (Asteraceae) that grows in Morocco. It is a light yellow to yellow liquid with a light herbaceous odor characteristic of thujone. [Pg.176]

The major components of artemisia oil are the ketones camphor (15-40%) and a- and /3-thujone (see p. 217) (together 70-25%) [267-270]. Since Artemisia herba-alba exists as various chemotypes, the composition of the oil may vary widely. [Pg.176]

Armoise Artemisia herba-alba Asso p-Thujone CT (43-94), camphor CT (40-70) chrysanthnone CT (51), da-vanone CT (20-70), cis-chrysanthenyl acetate CT (38-71), 1,8-cineole/a-thu-jone CT (50/27), 1,8-cineole/p-thujone CT (13/12), 1,8-cineole/camphor CT (38/25), cis-chrysanthenol CT (25), cis-chrysanthenyl acetate CT (25)... [Pg.79]

According to recent investigations, the commercially available oils derive from Artemisia herba-alba Asso (Morocco). Their qualitative composition is similar to the oil of Artemisia vulgaris, greater deviations have been observed quantitatively [165]. Nano et al. [166] demonstrated varying compositions in essential oils of various plant samples from Piedmont. Vulgarol, a bomane derivative, was detected as a new constituent in some of the oils. Spathulenol and a-cadinol, two sesquiterpene alcohols, as well as davanone were found by fork and co-workers [167, 168, 169]. [Pg.236]

A short-step synthesis of l-oxoeudesma-2,4-dien-l l)3i/-12,6a-olide (65), a sesquiterpene lactone isolated from Artemisia herba-alba, has been devised by Kawamata and coworkers [19]. The synthesis (Scheme 9) involved the reduction of santonin to compounds 36a and 36b and their oxidation with pyridinium chlorochromate (PCC) in CH2CI2 to give 9% of the rearranged product 65 and 30% of santonin. This procedure... [Pg.65]

The EO of the aerial parts of Artemisia herba-alba Asso. (Asteraceae) exhibited signi cant antiproliferative effects on acute lymphocytic leukemia cancer cells. The cytotoxic activity started at very low doses (less than 0.5 pg/mL). At a high concentration (50 pg/ml), the cell viability was decreased by 80%. The ICjg value was 3 pg/mL (Tilaoui et al., 2011). [Pg.299]

Escudero, A. et al. (2000) Inhibitory effects of Artemisia herba-alba on the germination of the gypsophyte Helianthemum squamatum. Plant Ecol. 148, 71-80... [Pg.378]

Zouari S, Zouari N, Fakhfakh N, Bougtitef A, Ayadi MA, Neffati M (2010) Chemical composition and biological activities of a new essential oil chemotype of Tunisian Artemisia herba alba Asso. J Med Plants Res 4(10) 871-880... [Pg.236]

Artemtsia herba alba, var. genuina, a plant of Algerian origin, yields an essential oil known by the Arabs as Oil of Scheih or Chih. l is oil has been examined by Grimal, by Jeancard and Satie, and by Bertrand-Pils. The oil from the variety densiflora has also been examined by Schimmel CoJ The former oil contains 1-camphene, cineol and -camphor. [Pg.290]

Crichton RR, Herbas A, Chavez-Alba O, Roland F. 1996. Identification of catalytic residues involved in iron uptake by L-chain ferritins. J Biol Inorg Chem 1 567-574. [Pg.385]

Gallois B, d Estaintot BL, Michaux M-A, Dautant A, Granier T, Precigoux G, Soruco J-A, Roland F, Chavas-Alba O, Herbas A, Crichton RR. 1997. X-ray structure of recombinant horse L-chain apoferritin at 2.0 A resolution implications for stability and... [Pg.384]

See other pages where A. herba alba is mentioned: [Pg.59]    [Pg.63]    [Pg.63]    [Pg.756]    [Pg.59]    [Pg.63]    [Pg.63]    [Pg.756]    [Pg.112]    [Pg.200]    [Pg.95]    [Pg.99]    [Pg.2285]    [Pg.2285]    [Pg.376]    [Pg.475]    [Pg.459]    [Pg.480]    [Pg.376]    [Pg.251]    [Pg.2284]    [Pg.2284]    [Pg.79]    [Pg.79]    [Pg.621]    [Pg.192]   
See also in sourсe #XX -- [ Pg.316 ]



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