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Antioxidant potentials and anticholinesterase activities of methanolic and aqueous extracts of three endemic Centaurea L. species
Scopus
Toplam 223 atıf DOI
The methanol and aqueous extracts of three endemic Centaurea species (C. polypodiifolia var pseudobehen, C. pyrrhoblephara and C. antalyense) were investigated for their antioxidant and cholinesterase inhibitory activities. The antioxidant activities of these extracts were evaluated by in vitro models including, phosphomolybdenum assay, free radical scavenging assays (DPPH and ABTS), β-carotene/linoleic acid test system, metal chelating assay, FRAP assay, ferric and cupric reducing power. Cholinesterase inhibitory activities were examined using Ellman's colorimetric method. Total phenol, flavonoid, and saponin contents were also measured. Among the six Centaurea extracts evaluated, the highest antioxidant abilities were obtained from C. polypodiifolia var pseudobehen. Methanolic extracts from C. polypodiifolia var pseudobehen and C. antalyense had a noticeable inhibition towards AChE and BChE. These findings suggest that Centaurea species could be an anticholinesterase agent and antioxidant resource in some industries, such as food, pharmacology, and cosmetics. © 2013 Elsevier Ltd.
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Biological and chemical insights of Morina persica L.: A source of bioactive compounds with multifunctional properties
Scopus
Havuzumuzda 73 atıf almış
Morina persica L. has weak rosy smell flowers that together with aerial parts are infused or decocted and used as a functional tea. It is a representative of the Anatolian traditional medicine and is used for the treatment of cold. Biological and chemical fingerprints of different extracts (methanolic, acetone and water) of M. persica were investigated. Antioxidant, enzyme inhibitory, antimicrobial, cytotoxic and mutagenic/antimutagenic effects were evaluated for biological profiling. Rutin, chlorogenic and rosmarinic acids were detected as dominant compounds. Generally, the methanolic and acetone extracts had strong antioxidant, enzyme inhibitory, antimicrobial and antimutagenic effects. Additionally, all extracts showed remarkable inhibitory effects on HeLa cells at 100 μg/mL. Furthermore, possible interactions between rutin, the dominant phenolic compound in M. persica and the tested enzymes were assessed by molecular docking. Results indicate that M. persica could be considered as a natural source of high-valued functional ingredients for further use in healthful formulations.