Abstract
The antioxidative activity of the 80% ethanol extract obtained from eleven commonly consumed wild edible plants was determined according to the phosphomolybdenum method, reducing power, metal chelating, superoxide anion and free radical scavenging activity and compared to standard compounds such as butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and trolox. Total phenolic compounds, flavonoids, and anthocyanins in the extracts were also measured. Trachystemon orientalis, Vaccinium mrytillus, Rumex acetosella Polygonum amphibium, Beta vulgaris, and Similax Excelsa had the highest antioxidant capacities. Overall results showed that these plants can serve as good sources of bioactive polyphenols in the human diet and can be regarded as good candidates for nutritional supplement formulations due to their high concentrations of total phenolic compounds, flavonoids and anthocyanins as well as their strong antioxidant activity.
Highlights
Reactive oxygen molecules (ROS) such as superoxide (O2.Ϫ), hydroxyl (OH.Ϫ) and peroxyl (ROO.Ϫ) radicals are generated in a situation of oxidative stress
The antioxidant activities of Amaranthus retroflexus, Tussilago farfara, Trachystemon orientalis, Beta Vulgaris, Brassica oleracea, Vaccinium mrytillus, Ornithogalum umbellatum, Polygonum amphibium, Rumex acetosella, Similax excelsa and Chaerophyllum byzantinum were determined using the phosphomolybdenum method, reducing power, metal chelating, superoxide anion and free radical scavenging activity. Another aim was to evaluate whether the total phenolic, flavonoid and anthocyanin contents of wild edible plants were correlated with antioxidant activity
The total phenolic compounds, total flavonoids and the total anthocyanins were measured for all the samples
Summary
The antioxidative activity of the 80% ethanol extract obtained from eleven commonly consumed wild edible plants was determined according to the phosphomolybdenum method, reducing power, metal chelating, superoxide anion and free radical scavenging activity and compared to standard compounds such as butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and trolox. Flavonoids, and anthocyanins in the extracts were measured. Overall results showed that these plants can serve as good sources of bioactive polyphenols in the human diet and can be regarded as good candidates for nutritional supplement formulations due to their high concentrations of total phenolic compounds, flavonoids and anthocyanins as well as their strong antioxidant activity. KEY-WORDS: Antioxidant activity – Anthocyanins – Black Sea Region – Flavonoids – Total phenolic compounds – Wild edible plants
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