Results 31 to 40 of about 30,342 (234)

Use of propolis extract as a natural antioxidant for plant oils

Grasas y Aceites, 2000
The antioxidant activities of methanol extracts of propolis were tested in natural olive oil stored at 60ºC. The concentration of extracts in olive oil varied from 0.02 to 0.08%.
Musa Özcan
doaj   +1 more source

Evaluation of the Antimicrobial and Antioxidant Activities of Origanum dictamnus Extracts before and after Encapsulation in Liposomes

Molecules, 2007
The antioxidant and antimicrobial activity of methanol or dichloromethane extracts of O. dictamnus, produced from wild and organic cultivated specimens, were determined.
John Tsaknis, Ioanna Chinou, Stavros Lala, Olga Gortzi   +3 more
doaj   +1 more source

Avaliação da estabilidade oxidativa de biodiesel de óleo de girassol com antioxidantes Evaluation of oxidation stability of sunflower oil biodiesel with antioxidants

Química Nova, 2009
Biodiesel can contain unsaturated fatty acids, which are susceptible to oxidation, being able to change into polymerized compounds. In this work biodiesel was characterized according to physical-chemistry parameters and the antioxidant activity of ...
Roseli Aparecida Ferrari, Waleska Lemes de Souza   +1 more
doaj   +1 more source

Optimal inclusion level of butylated hydroxytoluene in semen extender improves the quality of post-thawed canine sperm

Czech Journal of Animal Science, 2012
The study was conducted to evaluate the potential cryoprotective effect of butylated hydroxytoluene (BHT) through post-thaw evaluation of canine semen and its optimal inclusion level. Ejaculated canine semen was extended in TRIS-glucose egg yolk extender
M. Ziaullah, A. Ijaz, M. Aleem, A.K. Mahmood, H. Rehman, S. Bhatti, U. Farooq, M.U. Sohail   +7 more
doaj   +1 more source

Butylated hydroxytoluene analogs: synthesis and evaluation of their multipotent antioxidant activities. [PDF]

Molecules, 2012
A computer-aided predictions of antioxidant activities were performed with the Prediction Activity Spectra of Substances (PASS) program. Antioxidant activity of compounds <strong>1</strong>, <strong>3</strong>, <strong>4</
Yehye WA, Abdul Rahman N, Alhadi AA, Khaledi H, Weng NS, Ariffin A.   +5 more
europepmc   +2 more sources

In vitro ion chelating, antioxidative mechanism of extracts from fruits and barks of tetrapleura tetraptera and their protective effects against fenton mediated toxicity of metal ions on liver homogenates [PDF]

, 2015
The aim of the present study was to investigate the antioxidant activity and protective potential of T. tetraptera extracts against ion toxicity. The antioxidant activity of the extracts was investigated spectrophotometrically against several radicals (1,
Biapa, P. C. N., Bravi, Marco, Moukette, B. M., Ngogang, J. Y., Njimou, J. R., Pieme, C. A., Stoller, Marco   +6 more
core   +3 more sources

Antioxidants used in oils, fats and fatty foods Antioxidantes utilizados em óleos, gorduras e alimentos gordurosos

Química Nova, 2006
Lipid oxidation is certainly one of the most important alterations that affect both oils or fats and foods that contain them. It is responsible for the development of unpleasant taste and smell in foods, making them unsuitable for consuming.
Valéria Cristina Ramalho, Neuza Jorge
doaj   +1 more source

Effect of butylated hydroxytoluene on cryopreservation of Boer goat semen in Tris egg yolk extender. [PDF]

, 2011
The aim of this study was to determine the effect of butylated hydroxytoluene (BHT), a lipid-soluble anti-oxidant added in different concentrations to the Tris egg yolk extenders on semen cytological parameters pre freezing and post thawing (motility ...
Ahmed Memon, Akeel, Audrey, G., Ebrahimi, Mahdi, Goh, Yong Meng, H., Wahid, Nadia, F.M., Yusoff, Rosnina   +6 more
core   +1 more source

Aplicação do delineamento simplex-centroide no estudo da cinética da oxidação de biodiesel B100 em mistura com antioxidantes sintéticos The simplex-centroid design applied to study of the kinetics of the oxidation of B100 biodiesel in blend with synthetic antioxidants

Química Nova, 2010
Antioxidants are an alternative to prevent or slow the degradation of the biofuel. In this study, it was evaluated the oxidative stability of B100 biodiesel from soybean oil in the presence of three commercial synthetic antioxidants, butylated ...
Dionísio Borsato, Luiz Henrique Dall'Antonia, Carmen Luísa B. Guedes, Elaine Cristina R. Maia, Heverson Renan de Freitas, Ivanira Moreira, Kelly Roberta Spacino   +6 more
doaj   +1 more source

Fish Oil Supplementation Reduces Markers of Oxidative Stress But Not Muscle Soreness After Eccentric Exercise [PDF]

, 2014
Peer ...
Chappell, Andrew John, Gray, Patrick, Gray, Stuart Robert, Jenkinson, Alison McEwan, Thies, Frank   +4 more
core   +1 more source