نتایج جستجو برای: synthetic phenolic antioxidants
تعداد نتایج: 185325 فیلتر نتایج به سال:
Numerous diseases are associated with oxidative stress caused by free radicals. Current research is directed towards finding naturally-occurring antioxidants of the plant origin. The aim of the present study was to evaluate the in vitro antioxidant activities of Ipomoea pes-caprae extract. 80% ethanol extract of Ipomoea pescaprae was studied in vitro for total antioxidant activity, for scavengi...
High intake of natural antioxidants has been associated with lower incidence of chronic diseases such as cancer and heart diseases. Thus, there is need to find out the crops rich in antioxidants and phenolic compounds. The aqueous extracts of leaves of thirteen varieties of sugarcane were studied for their antioxidant activity and protective effect on DNA damage. 2,2-diphenyl-1picrylhydrazyl ra...
Following the ban of synthetic antibiotics as antimicrobial agents and growth promoters, poultry nutritionists are now trying to find antibiotic substitutes. Agro-industrial by-products are abundant in tropical countries and have been used as the alternatives to conventional feedstuffs in poultry rations. These by-products are also known to contain several bioactive compounds such as oligosacch...
Endogenous sinapic acid (SA), sinapine (SP), sinapoyl glucose (SG) and canolol (CAN) of canola and mustard seeds are the potent antioxidants in various lipid-containing systems. The study investigated these phenolic antioxidants using different fractions of canola and mustard seeds. Phenolic compounds were extracted from whole seeds and their fractions: hulls and cotyledons, using 70% methanol ...
It has been proposed that phenolic antioxidants such as probucol exert their anti-atherogenic effects through scavenging lipid-derived radicals. In this study the potential for genomics to reveal unanticipated pharmacological properties of phenolic antioxidants is explored. It was found that two anti-atherogenic compounds, BO-653 and probucol, inhibited the expression of three alpha-type protea...
Coenzyme Q10 (CoQ10), a highly lipophilic compound present in the inner mitochondrial membrane, is essential for production of cellular energy in the form of ATP. CoQ10 is used as an antioxidant and also in the treatment of various cardiovascular disorders. The relative bioavailabilities of powder filled capsule (I) and oil-based formulation (II) of CoQ10 were compared in beagle dogs in an open...
There is limited knowledge about the possible effect of unabsorbed dietary antioxidants that reach the large intestine on bowel habits. The aim of the present study was to investigate whether a dietary recommendation directed to increase diet total antioxidant capacity (TAC) is able to affect gut function in human subjects. In this cross-over intervention, nineteen subjects followed a high-TAC ...
Recently isolated spore-forming pigmented marine bacteria Bacillus indicus HU36 are sources of oxygenated carotenoids with original structures (about fifteen distinct yellow and orange pigments with acylated d-glucosyl groups). In this study, we evaluated the stability (sensitivity to iron-induced autoxidation) and antioxidant activity (inhibition of iron-induced lipid peroxidation) of combinat...
The Ames assay employing Salmonella typhimurium TA100 and TA98 was used to investigate potential interactions between aflatoxin B1 (AFB1) and the phenolic antioxidants butylated hydroxytoluene, butylated hydroxyanisole, and propyl gallate. AFB1 doses were within the linear response range, and the antioxidants were used at levels of 0 to 50 micrograms per plate. All three antioxidants were nonmu...
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