Results 1 to 10 of about 2,370 (196)

Influencia de los parámetros Rancimat sobre la determinación del índice de estabilidad oxidativa del aceite de Sesamum indicum L.

Scientia Agropecuaria, 2013
El objetivo de esta investigación fue determinar el índice de estabilidad oxidativa (OSI) en aceite virgen de semillas de Sesamum Indicum L. (Sésamo), previamente extraído por presión en frio, clarificado por centrifugación y almacenado bajo atmosfera de
Eudes Villanueva López, Darwin Castillo Benites, Gilbert Rodríguez Páucar   +2 more
doaj   +5 more sources

¹H NMR and UV-Vis as Analytical Techniques to Evaluate Biodiesel Conversion and Oxidative Stability

Fuels
The present study evaluated the applicability of 1H NMR and UV-Vis spectroscopies as analytical techniques for the characterization and determination of biodiesel conversion and for monitoring the oxidative stability of biodiesel samples with ...
Emanuelle Braga, Luana Damasceno, Chastryane Barros de Sousa Silva, Lucas Silva, Maria Cavalcante, César Barreto, Silvia Silva, Francisco Murilo Tavares de Luna, Luciana Bertini, Tassio Nascimento, Maria Rios   +10 more
doaj   +1 more source

Comparação dos métodos de determinação da estabilidade oxidativa de biodiesel B100, em mistura com antioxidantes sintéticos: aplicação do delineamento simplex-centroide com variável de processo Comparison of methods for determination of oxidative stability of B100 biodiesel mixed with synthetic antioxidants: application of simplex-centroid design with process variable

Química Nova, 2013
The Rancimat and accelerated stove tests were used to determine the oxidative stability of B100 biodiesel mixed with synthetic antioxidants. The predictive equations, with process variable, were obtained by applying a simplex-centroid design.
João Rafael de Moraes Cini, Dionísio Borsato, Carmen Luísa Barbosa Guedes, Hágata Cremasco da Silva, Rodolfo Lopes Coppo   +4 more
doaj  

Bioactive Potential of Milk Thistle (Sylibum marianum) Seeds and Applicability of Its Edible Oil in Food Processing

Biology and Life Sciences Forum
This study aims to explore the potential of Algerian milk thistle (Silybum marianum) seeds for food application. Solid–liquid extraction and Soxhlet extraction methods were employed to obtain both aqueous and fatty fractions using different solvents ...
Anis Chikhoune, Aicha Ghazi, Fahima Adjadj   +2 more
doaj   +1 more source

Oxidative stability of biodiesel from soybean oil fatty acid ethyl esters

Scientia Agricola, 2005
Biodiesel consists of long-chain fatty acid esters, derived from renewable sources such as vegetable oils, and its utilization is associated to the substitution of the diesel oil in engines.
Roseli Ap. Ferrari, Vanessa da Silva Oliveira, Ardalla Scabio   +2 more
doaj  

INVESTIGATION OF ANTIOXIDANT ACTIVITY OF NONPOLAR AND SEMIPOLAR NATURAL COMPOUNDS OF THE PERSIAN GULF SEA CUCUMBER (HOLOTHURIA SP.) BY USING OIL STABILITY INDEX (OSI) METHOD

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2009
In this investigation, nonpolar and semipolar compounds in sea cucumber (Holothuria sp.) collected from coasts of Lengeh Port were extracted by Bligh & Dyer method.
A. Esmaeili; N. Shah naghi; A. Rostaeian; A. Ashjae ardalan; M. Behmaei
doaj  

Oxidative Stability and Kinetics of Oxidation of Rosehip, Sunflower, Olive and Jojoba Oils. [PDF]

Antioxidants (Basel)
Fagoaga C, Moreno A, Fernández-Julián N, Castellano G.   +3 more
europepmc   +1 more source

Prediction refined vegetable oils oxidative stability using the accelerated thermal test: evidence from soybean, sunflower, palm and palm olein oils. [PDF]

Food Chem X
Nid Ahmed M, Asbbane A, Chouacha W, Guenaze B, Majourhat K, Asdadi A, Al Abdulmonem W, Bouyahya A, Sakar EH, Gharby S.   +9 more
europepmc   +1 more source

New Insights into the Loss of Antioxidant Effectiveness of Phenolic Compounds in Vegetable Oils in the Presence of Phosphatidylcholine. [PDF]

Antioxidants (Basel), 2023
Velasco J, Gil MJ, Wen YQ, García-González A, Ruiz-Méndez MV.   +4 more
europepmc   +1 more source

Colorimetric detection of edible oil oxidation using PAN-Congo red nanofiber mats. [PDF]

Sci Rep
Hashim AF, Zahran HA, Afifi SM, Abd-Rabou AA, Hamed SF.   +4 more
europepmc   +1 more source