Advantages and Disadvantages of Natural Antioxidants in Comparison with Synthetic Antioxidants
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Identification of chemical composition and comparison of antioxidant effects of marigold (Calendula officinalis L.) essential oil with butyl hydroxytoluene in canola oil stability
Background and Aim: Oxidation of vegetable oils is a major challenge in the food industry. Canola oil is prone to oxidation because of high unsaturated fatty acids. An effective way to prevent oxidation of oils and fats is addition of antioxidants. However using synthetic antioxidant due to the possibility of toxic and carcinogenic effects is limited. Thus, todays essential oils from aromatic p...
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The oxidative stability of margarine supplemented with different concentrations of fennel (Foeniculum vulgare) seed extract (FSE) was compared to the synthetic antioxidants; butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) at legal concentrations. The experiment was carried out under accelerated storage conditions for 4 weeks employing peroxide value (PV), p-anisidine value (AV...
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Many studies have been conducted with regard to free radicals, oxidative stress and antioxidant activity of food, giving antioxidants a prominent beneficial role, but, recently many authors have questioned their importance, whilst trying to understand the mechanisms behind oxidative stress. Many scientists defend that regardless of the quantity of ingested antioxidants, the absorption is very l...
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In recent years, the number of reports of nanoparticle production using green methods has increased exponentially. Green methods of nanoparticle production are based on oxidation and reduction reactions in which metal ions are reduced to nanoparticles with the help of compounds in living organisms or their extracts, including antioxidants. The presence of biomolecules, including antioxidants in...
متن کاملHydrophilic Phytochelators in Iron Overload Condition
Background: Iron overload can cause many complications and damage many organs as well as physiologic functions. Consumption of phetochemicals and flavonoids with iron chelating ability, instead of synthetic iron chelators, can be less harmful and more effective. The aim of this review is to investigate hydrophilic phytochelators in iron overload condition. Methods: In this review, the possible ...
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تاریخ انتشار 2004