نتایج جستجو برای: isoborneol
تعداد نتایج: 54 فیلتر نتایج به سال:
A method for the determination of trace amounts of off-fl avor compounds such as 2-methyl isoborneol (MIB), geosmin and 2,4,6-trichloroanisole (TCA) in drinking water is described based on dynamic headspace coupled to selectable onedimensional or two-dimensional gas chromatography mass spectrometry with simultaneous olfactory detection (DHS1D/2D GC-O/MS). Automated DHS using a Tenax TA packed t...
The composition of the volatile oils obtained from the aerial parts of Artemisia deserti Krasch. and A. oliveriana J. Gayex DC. was analyzed by GC and GC/MS. While the oil of A. deserti contained camphor (45.5%), 1,8-cineole (16.7%), piperitone (8.6%), ?-pinene (5.7%) and isoborneol (3.2%), the oil of A. oliveriana contained ?-thujone (65.4%), camphor (11.5%), 1,8-cineole (9.2%) and pinocavone ...
the composition of the volatile oils obtained from the aerial parts of artemisia deserti krasch. and a. oliveriana j. gayex dc. was analyzed by gc and gc/ms. while the oil of a. deserti contained camphor (45.5%), 1,8-cineole (16.7%), piperitone (8.6%), ?-pinene (5.7%) and isoborneol (3.2%), the oil of a. oliveriana contained ?-thujone (65.4%), camphor (11.5%), 1,8-cineole (9.2%) and pinocavone ...
The use of this material under current use conditions is supported by the existing information. This material was evaluated for genotoxicity, repeated dose toxicity, developmental toxicity, reproductive toxicity, local respiratory toxicity, phototoxicity, skin sensitization potential as well as environmental safety. Repeated dose toxicity was determined to have the most conservative systemic ex...
tanacetum parthenium l. known as feverfew is a medicinal herb which is found in many old gardens. it has been used in folk medicine for reducing fever. feverfew is a member of the daisy family; it is used primarily to prevent migraine headaches and to treat rheumatoid arthritis.it hasa colorless essential oil that contains one or more of the sesquiterpene lactones as active principle. tanasetum...
The recirculating aquaculture system (RAS) is an ever-developing technology for producing fish with a low environmental impact. However, off-flavors can be major problem in RAS production. Off-flavor compounds are of microbial origin and accumulated flesh. They typically cause musty earthy taste odor, which consumers find unacceptable. Here we hypothesized that oxidizing such as ozone (O3), hyd...
In order to explore the biochemical scope of ochratoxin A-producing penicillia, we screened 48 Penicillium verrucosum isolates for the production of secondary metabolites. Fungal metabolites were analyzed by high-pressure liquid or gas chromatography coupled to diode array detection or mass spectrometry. The following metabolites were identified: ochratoxins A and B, citrinin, verrucolones, ver...
The rationale of this investigation was to examine the antinociceptive properties of the essential oil obtained from Rosmarinus officinalis aerial parts, using a rat model of arthritic pain. The essential oil (100, 300 and 600 mg/kg, I. P.) produced a dose-dependent antinociceptive effect, manifested as a significant reduction in the dysfunction in the pain-induced functional impairment model i...
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