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Détail de l'auteur
Auteur Bhaskaruni R. Rajeswara Rao
Documents disponibles écrits par cet auteur
Affiner la rechercheEssential oil composition of sphaeranthus indicus L. / Pran N. Kaul in The journal of essential oil research, Vol. 17 N° 4 (Juillet-Août 2005)
in The journal of essential oil research > Vol. 17 N° 4 (Juillet-Août 2005) . - pp. 453-454
Titre : Essential oil composition of sphaeranthus indicus L. Type de document : texte imprimé Auteurs : Pran N. Kaul, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur ; Arun K. Bhattacharya, Auteur Année de publication : 2006 Article en page(s) : pp. 453-454 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Sphaeranthus indicus Asteraceae Essential oil composition 2,5-dimethoxy-p-cymene α-agarofuran Selin-11-en-4α-ol Résumé : The hydrodistilled essential oil of Sphaeranthus indicus was analyzed by GC and GC/MS. Thirty-eight compounds making up 84.0% of the oil were identified. The major compounds were: 2,5-dimethoxy-p-cymene (18.2%), α-agarofuran (11.8%), 10-epi-γ-eudesmol (7.9%) and selin-11-en-4α-ol (12.7%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698961#.UeJj9WF2_n4 [article] Essential oil composition of sphaeranthus indicus L. [texte imprimé] / Pran N. Kaul, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur ; Arun K. Bhattacharya, Auteur . - 2006 . - pp. 453-454.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 4 (Juillet-Août 2005) . - pp. 453-454
Mots-clés : Sphaeranthus indicus Asteraceae Essential oil composition 2,5-dimethoxy-p-cymene α-agarofuran Selin-11-en-4α-ol Résumé : The hydrodistilled essential oil of Sphaeranthus indicus was analyzed by GC and GC/MS. Thirty-eight compounds making up 84.0% of the oil were identified. The major compounds were: 2,5-dimethoxy-p-cymene (18.2%), α-agarofuran (11.8%), 10-epi-γ-eudesmol (7.9%) and selin-11-en-4α-ol (12.7%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698961#.UeJj9WF2_n4
in The journal of essential oil research > Vol. 17 N° 2 (Mars-Avril 2005) . - pp. 184-185
Titre : Essential oil composition of tagetes minuta L. fruits Type de document : texte imprimé Auteurs : Pran N. Kaul, Auteur ; Arun K. Bhattacharya, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur Année de publication : 2006 Article en page(s) : pp. 184-185 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Tagetes minuta Compositae Essential oil composition (Z)-β-ocimene (Z)-tagetone Résumé : Hydrodistilled essential oil of the dried mature fruits containing seeds of Tagetes minuta was analyzed by GC and GC/MS. Twenty-four constituents making up 93.7% of the oil were identifi ed. The major compounds were limonene + β-phellandrene (4.7%), (Z)- β-ocimene (36.8%), dihydrotagetone + (E)- β-ocimene (15.5%), (Z)-tagetone (17.1%), (Z)-tagetenone (3.0%) and (E)-tagetenone (7.5%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698869 [article] Essential oil composition of tagetes minuta L. fruits [texte imprimé] / Pran N. Kaul, Auteur ; Arun K. Bhattacharya, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur . - 2006 . - pp. 184-185.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 2 (Mars-Avril 2005) . - pp. 184-185
Mots-clés : Tagetes minuta Compositae Essential oil composition (Z)-β-ocimene (Z)-tagetone Résumé : Hydrodistilled essential oil of the dried mature fruits containing seeds of Tagetes minuta was analyzed by GC and GC/MS. Twenty-four constituents making up 93.7% of the oil were identifi ed. The major compounds were limonene + β-phellandrene (4.7%), (Z)- β-ocimene (36.8%), dihydrotagetone + (E)- β-ocimene (15.5%), (Z)-tagetone (17.1%), (Z)-tagetenone (3.0%) and (E)-tagetenone (7.5%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698869
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 41-43
Titre : Influence of co-distillation with weed biomass on yield and chemical composition of rose-scented geranium (pelargonium species) oil Type de document : texte imprimé Auteurs : Bhaskaruni R. Rajeswara Rao, Auteur ; Pran N. Kaul, Auteur ; Kamla Singh, Auteur Année de publication : 2006 Article en page(s) : pp. 41-43 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Pelargonium sp Geraniaceae Rose-scented geranium Weed biomass co-distillation Cultivars Oil yield Essential oil composition Citronellol Geraniol Résumé : A laboratory experiment was performed to study the influence of distilling rose-scented geranium (Pelargonium species) biomass together with different proportions (0, 5, 10, 15 and 30% by weight of rose-scented geranium biomass) of biomass of weed species growing in rose-scented geranium fields, on the yields % and compositions of oils of cultivars Algerian, Bourbon and Kelkar. Crop:weed mixtures reduced oil yields of all the three cultivars in comparison to control (pure crop biomass). Combined distillation of biomass of cv. Algerian with weed biomass decreased the concentrations of linalool, geraniol, geranyl formate, 10-epi-γeudesmol and increased the contents of isomenthone, citronellol and citronellyl formate in its oil. This distillation method resulted in enhancements in isomenthone, citronellol and reductions in geraniol and geranyl formate in the oil of cv. Bourbon. In cv. Kelkar, the percentages of linalool and isomenthone increased, but that of citronellol and geraniol decreased in crop:weed mixed distillations. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698824 [article] Influence of co-distillation with weed biomass on yield and chemical composition of rose-scented geranium (pelargonium species) oil [texte imprimé] / Bhaskaruni R. Rajeswara Rao, Auteur ; Pran N. Kaul, Auteur ; Kamla Singh, Auteur . - 2006 . - pp. 41-43.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 41-43
Mots-clés : Pelargonium sp Geraniaceae Rose-scented geranium Weed biomass co-distillation Cultivars Oil yield Essential oil composition Citronellol Geraniol Résumé : A laboratory experiment was performed to study the influence of distilling rose-scented geranium (Pelargonium species) biomass together with different proportions (0, 5, 10, 15 and 30% by weight of rose-scented geranium biomass) of biomass of weed species growing in rose-scented geranium fields, on the yields % and compositions of oils of cultivars Algerian, Bourbon and Kelkar. Crop:weed mixtures reduced oil yields of all the three cultivars in comparison to control (pure crop biomass). Combined distillation of biomass of cv. Algerian with weed biomass decreased the concentrations of linalool, geraniol, geranyl formate, 10-epi-γeudesmol and increased the contents of isomenthone, citronellol and citronellyl formate in its oil. This distillation method resulted in enhancements in isomenthone, citronellol and reductions in geraniol and geranyl formate in the oil of cv. Bourbon. In cv. Kelkar, the percentages of linalool and isomenthone increased, but that of citronellol and geraniol decreased in crop:weed mixed distillations. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698824
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 7-9
Titre : Volatile constituents of essential oils isolated from different parts of alpinia calcarata rosc. Type de document : texte imprimé Auteurs : Pran N. Kaul, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur ; Kamla Singh, Auteur Année de publication : 2006 Article en page(s) : pp. 7-9 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Alpinia calcarata Zingiberaceae Essential oil composition 1,8-cineole α-fenchyl acetate β-pinene (E)-methyl Résumé : The essential oils isolated from different parts of Alpinia calcarata Rosc., (family: Zingiberaceae) growing in Hyderabad, south India, were analyzed by capillary GC and GC/MS. The oil yields were: flower 0.06%, leaf sheath 0.03%, stem 0.05% and root 0.18%. Sixty-two compounds accounting for 92.3–98.3% of the oils were identified. The flower oil contained β-pinene (12.5%), 1,8-cineole (12.8%) and (E)-methyl cinnamate (12.3%) as the major constituents. The important components of the leaf sheath oil were 1,8-cineole (23.2%) and humulene epoxide I (10.6%). The stem oil had β-pinene (11.2%) and 1,8-cineole (33.2%) as the major compounds. On the other hand, the root oil showed camphene (13.6%), 1,8-cineole (15.6%) and α-fenchyl acetate (37.6%) as the main constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698814 [article] Volatile constituents of essential oils isolated from different parts of alpinia calcarata rosc. [texte imprimé] / Pran N. Kaul, Auteur ; Bhaskaruni R. Rajeswara Rao, Auteur ; Kamla Singh, Auteur . - 2006 . - pp. 7-9.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 7-9
Mots-clés : Alpinia calcarata Zingiberaceae Essential oil composition 1,8-cineole α-fenchyl acetate β-pinene (E)-methyl Résumé : The essential oils isolated from different parts of Alpinia calcarata Rosc., (family: Zingiberaceae) growing in Hyderabad, south India, were analyzed by capillary GC and GC/MS. The oil yields were: flower 0.06%, leaf sheath 0.03%, stem 0.05% and root 0.18%. Sixty-two compounds accounting for 92.3–98.3% of the oils were identified. The flower oil contained β-pinene (12.5%), 1,8-cineole (12.8%) and (E)-methyl cinnamate (12.3%) as the major constituents. The important components of the leaf sheath oil were 1,8-cineole (23.2%) and humulene epoxide I (10.6%). The stem oil had β-pinene (11.2%) and 1,8-cineole (33.2%) as the major compounds. On the other hand, the root oil showed camphene (13.6%), 1,8-cineole (15.6%) and α-fenchyl acetate (37.6%) as the main constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698814
