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A study on in vitro enzyme inhibitory properties of Asphodeline anatolica: New sources of natural inhibitors for public health problems
Scopus
Toplam 133 atıf DOI
Asphodeline species are traditionally used as food and medicines. The different extracts (acetone, methanol and water) from different parts (stem, root, seed and leaf) of Asphodeline anatolica were screened for inhibitory potentials on cholinesterase, tyrosinase, α-amylase and α-glucosidase. Enzyme inhibitory effects were investigated by using microplate reader. All studied extracts exhibited remarkable inhibitory effects on the tested enzymes. Generally, acetone and methanol extracts have higher potentials than water extracts. Also, the enzyme inhibitory activities of the extracts varied significantly according to the plant parts as well as the solvent used. R-Met (7.42. mgGALAEs/g extract) and St-Ac (10.74. mgGALAEs/g extract) had the highest acetylcholinesterase and butrylcholinesterase inhibitory activity, respectively. R-Met (22.48. mgKAEs/g extract) exhibited the strongest tyrosinase inhibitory effects, while Se-Ac had the most potent activity on both α-amylase (2.53. mmolACAEs/g extract) and α-glucosidase (6.70. mmolACAEs/g extract). The results suggested that the A. anatolica extract may be useful for food and medicinal applications.
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In vitro and in silico approach to determine neuroprotective properties of iridoid glycosides from aerial parts of Scrophularia amplexicaulis by investigating their cholinesterase inhibition and anti-oxidant activities
Scopus
Havuzumuzda Open Access 25 atıf almış
Three iridoid glycosides included 6-O-methyl, 1-glucopyranosyl catalpol (Compound 1), 6-O-α-L (3"-O-trans, 4"-O-trans cinnamoyl)-rhamnopyranosyl catalpol (Compound 2) and scropolioside D (Compound 3) were isolated from aerial parts of S. amplexicaulis using chromatographic methods. The structures were determined by different spectroscopic data. The inhibitory effects (IC50 values) of the compounds on cholinesterase (AChE and BChE) was determined by in-vitro assays. Docking studied were performed to investigate receptor-ligands interactions. The antioxidant capacity was evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, 2, 2'-azino-bis[3-ethylbenzothiazoline]-6-sulphonic acid (ABTS) radical cation, cupric ion reducing activity (CUPRAC), ferric reducing antioxidant power (FRAP), phosphomolybdenum and metal chelating assays. AChE and BChE were moderately inhibited by all of the investigated iridoid glycosides (compared to galantamine). Compound 2 and compound 3 showed comparable anti-oxidant effects with the Trolox as the control in phosphomolybdenum assay. Also, compound 1, showed acceptable activities in ABTS radical scavenging and Phosphomolybdenum assays compared to the control.
Atıf Yapan Makale Bilgileri
Kurumlar (4)
Medicinal Plant Processing Research Center SUMS
Meymand, Iran
Niğde Ömer Halisdemir University
Nigde, Turkey
School of Pharmacy
Shiraz, Iran
Selçuk Üniversitesi
Selçuklu, Turkey