Results 1 to 10 of about 629,865 (137)

Oils, paintings and chemistry

open access: yesConservar Património, 2005
In oil paintings artists use oils to apply pigments. These oils firstly are liquid and then solidify in a thin film. Many chemical reactions are involved in drying and also in the aging of these oils.
Maria Eduarda Machado de Araújo
doaj   +4 more sources

Irrigation effects on fatty acidic composition, organoleptic characteristics and other quality parameters of virgin olive oils.

open access: yesGrasas y Aceites, 1997
Fatty acidic composition, organoleptic characteristics and other quality parameters of virgin olive oils were evaluated in dry-farming and irrigated olive orchards. The acidic composition was affected by irrigation.
J. Salas, M. Pastor, J. Castro
doaj   +4 more sources

Perfil lipídico de ovos desidratados com ênfase no seu teor de gorduras trans [PDF]

open access: yes, 2008
O presente trabalho objetivou a determinação do perfil lipídico de ovos integrais desidratados, bem como de gemas desidratadas, a fim de enfatizar seu conteúdo de ácidos graxos de configuração trans. A fração lipídica das amostras foi extraída com hexano/
S. Guassi, J. M. Salgado, D. Lanna
semanticscholar   +2 more sources

Composição química das sementes de Archontophoenix alexandrae H. Wendl. & Drude (Arecaceae) Seed chemical composition of Archontophoenix alexandrae H. Wendl. & Drude (Arecaceae)

open access: yesRevista Árvore, 2004
Sementes de Archontophoenix alexandrae extraídas de frutos coletados no Parque Estadual da Cantareira, São Paulo, foram analisadas quanto à composição química, ao perfil de ácidos graxos do óleo e aos teores de minerais, visando avaliar o seu potencial ...
Maria Isabel Vallilo   +5 more
doaj   +2 more sources

Libidibia ferrea mature seeds promote antinociceptive effect by peripheral and central pathway: possible involvement of opioid and cholinergic receptors. [PDF]

open access: yesBiomed Res Int, 2014
Libidibia ferrea (LF) is a medicinal plant that holds many pharmacological properties. We evaluated the antinociceptive effect in the LF aqueous seed extract and Lipidic Portion of Libidibia ferrea (LPLF), partially elucidating their mechanisms. Histochemical tests and Gas chromatography of the LPLF were performed to characterize its fatty acids ...
Sawada LA   +6 more
europepmc   +2 more sources

Uruguayan rice (Oritza sativa L.) oils characterization

open access: yesInnotec, 2011
The rice crop is one of the most developed agricultural activities in Uruguay, having become the third item of export. Although the main product of the rice chain is the elaborated rice, in the recent years several industries have begun to produce co ...
Cecilia Rodríguez   +4 more
doaj   +1 more source

A biological rationale for the disparate effects of omega-3 fatty acids on cardiovascular disease outcomes.

open access: yesProstaglandins, Leukotrienes and Essential Fatty Acids, 2022
The omega-3 fatty acids (n3-FAs) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) rapidly incorporate into cell membranes where they modulate signal transduction pathways, lipid raft formation, and cholesterol distribution. Membrane n3-FAs also
S. Sherratt   +3 more
semanticscholar   +1 more source

ISSFAL statement number 7 - Omega-3 fatty acids during pregnancy to reduce preterm birth.

open access: yesProstaglandins, Leukotrienes and Essential Fatty Acids, 2022
Globally, preterm birth is the leading cause of death in children under the age of 5 years and survivors may suffer life-long consequences. Following many years of investigation, there is strong evidence that a proportion of preterm births can be ...
K. Best, R. Gibson, M. Makrides
semanticscholar   +1 more source

Circulating polyunsaturated fatty acids, pressure pain thresholds, and nociplastic pain conditions

open access: yesProstaglandins, Leukotrienes and Essential Fatty Acids, 2022
Objective: Polyunsaturated fatty acids (PUFAs) play a role in pain regulation. This study sought to determine whether free PUFAs found in red blood cells also play a role in nociceptive processing.
A. Sanders   +8 more
semanticscholar   +1 more source

Omega-3 and omega-6 fatty acids have distinct effects on endothelial fatty acid content and nitric oxide bioavailability.

open access: yesProstaglandins, Leukotrienes and Essential Fatty Acids, 2021
Treatment with high dose icosapent ethyl (IPE), an ethyl ester of the omega-3 fatty acid eicosapentaenoic acid (EPA), significantly reduced ischemic events in patients with either cardiovascular disease (CV) or diabetes plus other risk factors (REDUCE-IT)
S. Sherratt   +4 more
semanticscholar   +1 more source

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