Results 21 to 30 of about 2,855 (198)
Antioxidant activities of two novel synthetic methylbenzenediol derivatives
Czech Journal of Food Sciences, 2014 2-(tert-Butyl)-5-methylbenzene-1,4-diol and 3-(tert-butyl)-5-methylbenzene-1,2-diol were synthesised by Friedel-Craft reaction of 2-methylbenzene-1,4-diol and 4-methylbenzene-1,2-diol, respectively, with tertiary butanol providing reasonable yields.
Yan Huang +4 more
doaj +1 more source
Foods, 2023 The chemical composition, antioxidant, and antibacterial properties of the essential oil from the leaves of Tagetes elliptica Sm., grown in Peru, were studied. The EO was extracted using steam distillation, and its chemical composition was analyzed using
Francis Cerrón-Mercado +6 more
doaj +1 more source
Microencapsulation with Maillard Reaction Products to improve the oxidative stability of chia oil [PDF]
, 2019 The oil obtained from the seeds of chia (Salvia hispanica L.) is a valuable plant source of omega-3 polyunsaturated fatty acids (PUFA). Chia oil’s high PUFA content makes it an interesting source for enriching foods with these essential fatty acids, but ...
Copado, Claudia Noelia +3 more
core +2 more sources
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
Molecules, 2008 In this study, the antioxidant activities of 15 flavonoids against lard oil oxidation were determined by using the Rancimat test. Quercetin, dihydromyricetin, luteolin and kaempferol showed the strongest antioxidant activity, with protection factor ...
Zheng-Xiang Ning +3 more
doaj +1 more source
Comparison of oxidation stability of virgin olive oils from different locations of Turkey [PDF]
, 2014 Ten kinds of virgin olive oil of two major cultivars (Ayvalık and Memecik) produced in several areas of Turkey (Bayındır, Edremit, Ortaklar, Burhaniye, Ezine, Tire, Havran, Ayvalık, Altınoluk, and Küçükkuyu) were analysed.
Bayrak, A. +3 more
core +1 more source
Grasas y Aceites, 2018 Due to the inconsistency of monoacylglycerols’ (MAGs) impacts and the lack of research concerning the weight of saturated monoacylglycerols on the oxidative stability of oils, the current study was designed.
M. Naderi, J. Farmani, L. Rashidi
doaj +1 more source
Inhibition of hydroperoxy-, keto- and hydroxy-FAME by alpha- and delta-tocopherol at Rancimat conditions [PDF]
, 2015 The effects of alpha- and delta-tocopherol on inhibition of hydroperoxides, keto and hydroxy compounds at Rancimat conditions, i.e. 100 ºC and air bubbling, were studied in samples of fatty acid methyl esters (FAME) obtained from high linoleic (HL) and ...
Marmesat, Susana +4 more
core +1 more source
Effectiveness of added natural antioxidants in sunflower oil
Grasas y Aceites, 2005 The antioxidant activity of α- and δ-tocopherol, citric acid, ascorbic acid and ascorbyl palmitate was investigated in sunflower oil containing naturally occurring tocopherol.
Amalia A. Carelli +2 more
doaj +1 more source
Evaluation of a numerical method to predict the polyphenol content in monovarietal olive oils [PDF]
, 2007 Three monovarietal virgin olive oils obtained from olives grown under biological agricultural system, in Portugal, with different ripening stages, were studied in what concerns the parameters usually related with oxidation status (total polyphenols ...
Andrade, P.B. +4 more
core +1 more source