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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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Enzymatic assays and molecular modeling studies of Schisandra chinensis lignans and phenolics from fruit and leaf extracts
Scopus
Havuzumuzda Open Access 73 atıf almış
Considerable interest has been shown in natural sources and their compounds in developing new therapeutically agents for different diseases. In this framework, investigations performed on this topic play a central role for human health and drug development process. Schisandra chinensis (Turcz.) Baill is a medicinal and edible plant showing highly advantageous bioactivity and nutritional value. The main bioactive compounds from its fruits are lignans, derivatives of dibenzocyclooctadiene whereas concerning its leaves, phenolic acids, and flavonoids are dominant. The purpose of this study was to investigate the enzyme inhibitory potential on selected carbohydrate hydrolases, cholinesterases, and tyrosinase of extracts from fruits and leaves of Schisandra in relation with their main bioactive compounds. Furthermore, the interactions between dominant compounds (schisandrol A, schisandrol B, schisandrin B, and cinnamic acid) from extracts and selected enzymes were investigated by molecular modeling and molecular dynamic studies in order to explain at a molecular level our findings.
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Kurumlar (3)
Selçuk Üniversitesi
Selçuklu, Turkey
Universitatea de Medicina si Farmacie Iuliu Hatieganu din Cluj-Napoca
Cluj Napoca, Romania
University of G. d'Annunzio Chieti and Pescara
Chieti, Italy