Results 71 to 80 of about 79,414 (173)

Chemical Profiling of Volatile and Non‐Volatile Fractions of Galbanum (Ferula galbaniflua Boiss.) Used in Perfumery

open access: yesChemistry &Biodiversity, Volume 22, Issue 12, December 2025.
ABSTRACT Galbanum (Ferula galbaniflua Boiss.) is a valuable fragrance ingredient used in fine perfumery for its green, woody, balsamic, bell pepper, and foliage notes. The objective of the study was to identify and quantify the main compounds of this resinoid extract to gain a better knowledge of its chemical composition to support further ...
Marine Canton   +8 more
wiley   +1 more source

Óleos para controle da mosca-branca (Bemísia tabaci biótipo B) e redução da transmissão de begomovírus ao tomateiro. [PDF]

open access: yes, 2015
este trabalho teve como objetivos avaliar a eficiência de óleos vegetais e mineral no controle de adultos da mosca-branca e determinar seu potencial de interferência na transmissão de begomovírus ao tomateiro.Resumo ...
CARVALHO, P. B. V.   +6 more
core  

A Comparative Phytochemical Analysis of Olive Oils Derived From Two Underexplored Tunisian Cultivars: Chemchali and Fougi

open access: yesChemistry &Biodiversity, Volume 22, Issue 11, November 2025.
ABSTRACT This study represents the first comprehensive investigation into the valorization of two rare olive cultivars, Chemchali and Fougi, cultivated in southern Tunisia. The main objectives were to assess the quality of their virgin olive oils (VOOs) by analyzing their chemical composition, sensory profile, quality indices, and physicochemical ...
Marwa Affes   +6 more
wiley   +1 more source

Atividade anti-Herpes simplex dos óleos essenciais de Croton cajucara. [PDF]

open access: yes, 2012
No presente estudo, foi realizada a avaliação química dos óleos essenciais de 02 acessos de sacaca vermelha do BAG da Embrapa Amazônia Ocidental (Manaus-AM) empregando cromatografia em fase gasosa e espectrometria de ...
ALVIANO, C. S.   +6 more
core  

Enhancing Hydrophobicity of EPR‐Based Rubber Compounds via Fumed Silica and Sulfur/Peroxide Curing Systems

open access: yesJournal of Vinyl and Additive Technology, Volume 31, Issue 6, Page 1470-1483, November 2025.
The Effect of Silica and Curing Systems on the Hydrophobicity of EPR‐Based Rubber Compounds. ABSTRACT In this study, the dual effect of fumed silica and conventional curing systems such as peroxide and sulfur on the hydrophobicity of ethylene‐propylene‐based rubber (EPR) compounds has been examined.
Semiha Seda Annika   +4 more
wiley   +1 more source

Supercritical Extraction from Vinification Residues: Fatty Acids, α-Tocopherol, and Phenolic Compounds in the Oil Seeds from Different Varieties of Grape

open access: yesThe Scientific World Journal, 2012
Supercritical fluid extraction has been widely employed in the extraction of high purity substances. In this study, we used the technology to obtain oil from seeds from a variety of grapes, from vinification residues generated in the Southern region of ...
F. Agostini   +5 more
doaj   +1 more source

Produção de biomassa e óleo essencial em manjericão sob diferentes formas de adubação. [PDF]

open access: yes, 2019
Avaliou-se a influência de sistemas de adubação na produção de biomassa e no teor de óleos essenciais de Ocimum basilicum, em casa de vegetação em Campo Grande (MS)
BATTISTELLI, J. Z.   +4 more
core  

Comparison between GC-MS-SIM and GC-ECD for the determination of residues of organochlorine and organophosphorus pesticides in Brazilian citrus essential oils. [PDF]

open access: yes, 2016
Óleos essenciais cítricos brasileiros (mandarina, laranja, limão, bergamota e tangerina) foram analisados a fim de determinar resíduos de pesticidas organoclorados (aldrin, clordano, dieldrin e dicofol) e organofosforados (clorpirifós metílico, dimetoato,
ALVES, A. A. R.   +6 more
core   +1 more source

Small Seismic Sources to Improve Survey Efficiency at Reduced Environmental Impact: Case Study From the Brazilian Pre‐Salt

open access: yesGeophysical Prospecting, Volume 73, Issue 9, November 2025.
ABSTRACT In Brazil, concerns about marine life have resulted in strong restrictions on seismic operations, with a minimum distance of 60 km between source vessels and an exclusion zone of 1000 m for marine mammals. These restrictions impact survey efficiency, duration, logistics and cost. Optimized and physically smaller seismic sources may reduce cost
Felipe Capuzzo   +4 more
wiley   +1 more source

Linhaça marrom e dourada: propriedades químicas e funcionais das sementes e dos óleos prensados a frio

open access: yesCiência Rural, 2014
O objetivo do estudo foi comparar a composição química e a capacidade antioxidante das sementes e dos óleos de linhaça marrom e dourada, e avaliar a estabilidade oxidativa dos óleos.
Ana Karina Mauro Barroso   +6 more
doaj   +1 more source

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