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The inhibitory effect of onion extract on cassava leaf polyphenol oxidase was investigated. The polyphenol oxidase from cassava leaves was strongly inhibited by various anti-browning agents such as L-ascorbic acid and L-cysteine. The percentage of inhibition increased with the increased of anti-browning agents concentrations. The addition of heated onion extract exhibited a stronger inhibitory ...

regarding to economical importance of kiwi fruit, its wastes such as highly ripe or partially dried up fruits can be used to produce more economically valuable products like fruit leather. therefore, the aim of present study was the effective factor evaluation of kiwi fruit leather production. the samples were studied in two groups, raw and cooked fruits which were treated in a boiling water ba...

Cyfluthrinm[cyano[4-fluoro-3-phenoxyphenyl]-methyl-3-[2,2-dichloroethenyl]-2,2-dimethyl-cyclo propane carboxylate] is a synthetic pyrethroid insecticide, that has both contact and stomach poison action. The present study evaluated the long-term toxic effects of cyfluthrin on antioxidant status in buffalo calves. Oral administration of cyfluthrin at a dose rate of 10 and 20 mg/kg/d for 11 consec...

A number of free radical generating systems were used to investigate the antioxidant properties and structure-activity relationships of a series of monohydroxylated and dihydroxylated flavones. Ortho-dihydroxylated flavones showed the highest inhibitory activity on enzymic and non-enzymic microsomal lipid peroxidation as well as on peroxyl radical scavenging. Most flavones were weak scavengers ...

Enzymic antioxidants were analyzed in both blue flowered leaf and white flowered leaf of Clitoria ternatea. The in vitro model used in the study as alternatives to live animals, was goat liver slices. The liver slices exposed to different treatments were incubated for one hour at 37 ̊C with very mild shaking. The enzymic antioxidant activity was analyzed by using goat liver slices, both blue flo...