Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Gaston Vernin"'
Autor:
Cyril Párkányi, Gaston Vernin
Ginger has been cultivated and processed in China, where it is used as folk medicine, for more than 3,000 years. Originally from China and India, it has spread to tropical and subtropical areas around the world: southeastern Asia, Japan, Taiwan, Fiji
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::646467a008c5acc0dcfd4c8f23b11a2b
https://doi.org/10.1201/9781420023367-7
https://doi.org/10.1201/9781420023367-7
Autor:
A. Maquestiau, C. Siv, Robert Flammang, Y. Van Haverbeke, Gaston Vernin, Jacques Metzger, M. Willame
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 88:161-167
The mass spectra of 1-(3,4-dimethyl-5-isoxazolyl)-3-aryltriazenes may be interpreted on the predominance, in the vapor phase, of the structure A in which the azo group is conjugated with the heterocyclic moiety. This tautomer generates an isoxazolyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0368266569e8ae1602fbabbf3bcb5f05
https://doi.org/10.1002/bscb.19790880306
https://doi.org/10.1002/bscb.19790880306
Autor:
Gaston Vernin, Jacques Metzger
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 90:553-588
Heterocyclic compounds are widely distributed in food flavours. They arise following two main ways: Ienzymatic and fermentation reactions from primary precursors (proteins, lipids, anthocyanines, polyphenols, carotenoids, ribonucleotides…). IInon-e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::485540d904ae401327f13c51f49b5233
https://doi.org/10.1002/bscb.19810900605
https://doi.org/10.1002/bscb.19810900605
Publikováno v:
Flavour and Fragrance Journal. 16:219-226
Essential oils from two samples of Lippia graveolens HBK (South American or Mexican oregano, common in El Salvador), were obtained by hydrodistillation and studied by GC and GC–MS. Forty-five compounds, constituting 92–93% of the oil, were identi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0000f62170b6bf56340177df3735ce1a
https://doi.org/10.1002/ffj.984
https://doi.org/10.1002/ffj.984
Publikováno v:
Journal of Essential Oil Research. 12:481-486
Volatile constituents from wild Calamintha nepeta (L.) subsp. nepeta harvested in the autumn in the vicinity of Marseilles were analyzed by GC and GC/MS on nonpolar and polar columns, respectively. Among the 120 identified compounds, the 11 major con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0aa5e0149731c104c0f2021630d36c72
https://doi.org/10.1080/10412905.2000.9699571
https://doi.org/10.1080/10412905.2000.9699571
Autor:
Gaston Vernin
Publikováno v:
Journal of Essential Oil Research. 12:143-146
Artemisia verlotiorum Lamotte plants originating from Cote-d'Azur (France) were hydrodistilled and the oil (0.35% yield) was analyzed by a combination of GC and GC/MS. Among mass spectra recorded, more than 70 constituents accounting for 96% of the o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd71ec6f90669a0b1c3252484899b39e
https://doi.org/10.1080/10412905.2000.9699482
https://doi.org/10.1080/10412905.2000.9699482
Publikováno v:
Journal of Essential Oil Research. 10:675-679
Hydrodistilled essential oil from Pelargonium tomentosum Jacq. cultivated at the Reunion was analyzed by GC/MS. Menthone (33%) and isomenthone (59%) were the two main components among 30 separated compounds. Other components, in trace amounts, were u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ca08481693dd48786f5e03c578e8128
https://doi.org/10.1080/10412905.1998.9701007
https://doi.org/10.1080/10412905.1998.9701007
Publikováno v:
Journal of Essential Oil Research. 10:353-362
Volatile aroma compounds from red (Psidium cattleianum, Sabine) and yellow (Psidium cattleianum, Sabine, var. lucidum Hort.) guava fruits were analyzed by GC and GC/MS. Among the compounds identified were: 31 hydrocarbons, 9 acetals, ethers and oxide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f8dc90acfa048410a2bb8684fcb4784
https://doi.org/10.1080/10412905.1998.9700923
https://doi.org/10.1080/10412905.1998.9700923
Publikováno v:
Carbohydrate Research. 305:1-15
Thermal degradation of l -ascorbic acid at 300 °C in the absence of a solvent yielded mostly furan derivatives and α,β-unsaturated cyclic ketones with a five-membered ring. Some of the furan derivatives are the same as those obtained in the Mailla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02923f19c71759e498a53009ed2ea13b
https://doi.org/10.1016/s0008-6215(97)00234-6
https://doi.org/10.1016/s0008-6215(97)00234-6
Autor:
Gaston Vernin, Isabelle Guy
Publikováno v:
Journal of Essential Oil Research. 8:455-462
The essential oil from Cistus ladaniferus L. was separated into acidic/phenolic fraction and neutral fraction by extraction with a sodium hydroxide solution. The acidic/phenolic fraction was converted into methyl esters and ethers. The analysis of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f27975b7d8073855728559f03d27b0e5
https://doi.org/10.1080/10412905.1996.9700666
https://doi.org/10.1080/10412905.1996.9700666