Kurumun Atıf Alan Makalesi
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Anthocyanins and phenolic compounds of Mahonia aquifolium berries and their contributions to antioxidant activity
Scopus
Toplam 114 atıf DOI
Antioxidant activities, total phenolic and total monomeric anthocyanin contents were determined in mahonia berry extracts in different solvents. The methanol:water extract was purified to obtain anthocyanin and non-anthocyanin phenolic fractions, one at a time, and antioxidant activities of these fractions were also analyzed. Total phenolic and monomeric anthocyanin contents in mahonia berries were ranged from 1.30 (chloroform extract) to 1049.40 (methanol extract) mg GAE/100 g FW, and 40.68 (water extract) to 380.99 (ethanol extract) mg/100 g FW, respectively. The main phenolic and anthocyanin in mahonia berries were chlorogenic acid (373.12 mg/100 g FW), and cyanidin-3-O-glucoside (253.40 mg/100 g FW), respectively. The antioxidant activity of the anthocyanin fraction of the berries was approximately twofold higher than that of the phenolic fraction. The contribution of phenolic and anthocyanin compounds to the antioxidant activity of mahonia berries was greater than 83%. Phenolic compounds, especially anthocyanins, are the major antioxidant compounds found in mahonia berries.
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Evaluation the organic acid, tocopherol and phenolic profiles of Dracaena cinnabari resin extracts obtained by different solvent extraction
Scopus
Havuzumuzda Open Access 4 atıf almış
Many plants such as Dracaena cinnabari have been used in traditional medicine since ancient times due to their including bioactive compounds such as phenolic compounds, tocopherols, and organic acids. The aim of present study is to determine the presence and diversity of bioactive components such as phenolic, organic acids and tocopherols of Dracaena cinnabari resin extracts, and to reveal which solvents can be effective in the extraction of these components and to what extent. Methanol, ethanol, chloroform, water, and vinegar were used in extraction of Dracaena cinnabari resin. The widest diversity was obtained with vinegar for organic acids, methanol for tocopherols, and methanol solvent for phenolic compounds. Fourteen phenolic compounds, four tocopherols and ten organic acids were detected in Dracaena cinnabari resin extracts, the most abundant phenolic was apigenin, while the most tocopherol was δ-tocopherol. Dracaena cinnabari resin extracts appear to be rich in apigenin, kaempferol, luteolin and rutin flavonoids.
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Kurumlar (2)
Necmettin Erbakan Üniversitesi
Meram, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey