In vitro antioxidant activity and tannin content of Echium italicum L.

Nićiforović, Neda; Solujić, Slavica; Mihailović, Vladimir; Pavlović-Muratspahić, D.

doi:10.1055/s-0030-1264546

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“…Given the importance of flavonoid compounds in the treatment of human diseases and the prevention of lipid oxidation in foods, high amounts of flavonoid in E. cephalotes and leaves of E. khuzistanicum is significant. M. anisodon and flower of E. khuzistanicum have high antioxidant activity in consensus with previous reports on the antioxidant activity in the genus of Marrubium and Echium [43][44][45]. There was no correlation between total phenolic content and antioxidant activity.…”

Section: Discussionsupporting

confidence: 88%

Antioxidant and Antibacterial Effects of Some Medicinal Plants of Iran

Mohammadi

Piri

Dinarvand³

2019

International Journal of Secondary Metabolite

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Medicinal plants used in the treatment of diseases earlier times are potential sources of new drugs. The present study was undertaken to study the chemical composition, antioxidant and antibacterial activity of certain medicinal plants of Iran by gas chromatography and mass spectrometry (GC/MS), DPPH and disk diffusion method. According to the results of GC/MS, there are 46 kinds of chemical compounds including mucilage, fatty acids, flavonoid and diterpenes in flower of Echium khuzistanicum. There are aldehydes (7.9%), phenols (7.5%), fatty acids (5.8%) and furfural (5.4%) in the methanol extract of Echinops cephalotes. Furfural, steroids, vitamin B and flavonoids are the main compounds of Marrubium anisodon. Results of the antibacterial test showed that Staphylococcus aureus and Bacillus subtilis were more sensitive to methanol extract of Echium khuzistanicum root. Pseudomonas auruginosa was more sensitive to DMSO extract of Marrubium anisodon at 600 mg/ml concentration. Maximum flavonoid and phenol contents were belonging to Echinops cephalotes. Marrubium anisodon showed the best DPPH free radical scavenging activity.

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Section: Discussionsupporting

confidence: 88%