Results 101 to 110 of about 4,479 (218)
Relationship structure-antioxidant activity of hindered phenolic compounds
Grasas y Aceites, 2014 The relationship between the structure and the antioxidant activity of 21 hindered phenolic compounds was investigated by Rancimat and DPPH· tests. 3-tert-butyl-5-methylbenzene-1,2-diol is the strongest antioxidant in the Rancimat test but not in the ...
X. C. Weng, Y. Huang
doaj +1 more source
Induction periods of walnut oil samples during the Rancimat measurement
, 2014 Oxidative stability is an important parameter in the characterization of fats and oils. This paper presents a comparative study of walnut oil stability at different temperatures, processing and storage assessed by the method Rancimat. Presented data denotes the oxidative stability of walnut oil depending on the duration and storage temperature.
Sandulachi, E. +3 more
openaire +1 more source
1H NMR and UV-Vis as Analytical Techniques to Evaluate Biodiesel Conversion and Oxidative Stability
FuelsThe 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 +10 more
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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 +4 more
doaj
The Effect of Bleaching Clay on the Quality of Refined and Bleached Palm Oil [PDF]
, 2001 The aim of this study was to characterize the physicochemical properties of the bleaching clays used in the refining of palm oil. Acid-activated, neutral and natural clays as well as synthetic adsorbent were analysed by various techniques: scanning ...
Chua, Hooi Ling
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Окиснювальна стійкість жирів, збагачених діацилгліцеринами [PDF]
, 2009 Дослідженнями останніх років встановлено, що жири, збагачені діацилгліцеринами (ДАГ) в організмі людини засвоюються як джерело енергії і не залишаються у вигляді жирових відкладень. Проте бракує інформації про стійкість до окиснення жирів, збагачених ДАГ,
Некрасов, Павло Олександрович +2 more
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Scientia Agropecuaria, 2015 El aceite de sacha inchi es rico en ácidos grasos poli-insaturados que podrían oxidarse, limitando su vida útil. El método Rancimat, es oficial, para evaluaciones aceleradas de estabilidad oxidativa en aceites.
Gilbert Rodríguez +3 more
doaj
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 +2 more
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DETERMINATION OF OXIDATIVE STABILITY OF CRUDE AND REFINED VEGETABLE OILS BY RANCIMAT
Chemical Technology, Control and Management, 2023 Oybek Zufarov, Kamar Serkayev
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Olive oil from organic agriculture and integrated production – quality parameters evaluation [PDF]
, 2007 Os olivais da Beira Baixa têm mostrado aptidão para evoluir para sistemas de agricultura sustentável, capazes de valorizar o ecossistema agrário, a sua biodiversidade, os seus produtos e o rendimento dos olivicultores, de que são exemplo os olivais ...
Peres, C. +3 more
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