Yazar "Muhammad, Akhtar" için listeleme
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Biologically active flavonoids from Dodonaea viscosa and their structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Nadeem, Said; Duru, Mehmet Emin; Anis, Itrat; Shah, Muhammad R. (Elsevier, 2015)Antioxidant and anticholinesterase activities of twelve flavonoids i.e. santin (1), penduletin (2), viscosine (3), 6,7-dimethylkaempferol (4), kaempferol-3- methylether (5), 3,4'-dimethoxy-5,7-dihydroxyflavone (6), ... -
Hepatoprotective activity of viscosine is mediated by attenuation of hepatic macrophages and iNOS expression in CCl4-intoxicated rats
Ali, Hamid; Kabir, Nurul; Shah, Muhammad Raza; Muhammad, Akhtar; Ali, Safdar; Mehmood, Shahab; Jahan, Azra (Oxford Univ Press, 2016)This study investigated the molecular mechanism(s) of the protective effects of a C-alkylated flavonoid, viscosine on an animal model of CCl4-induced hepatotoxicity. Viscosine at 20, 50 and 100 mg kg(-1) was orally ... -
Isolation, Characterization, and Medicinal Potential of Polysaccharides of Morchella esculenta
Badshah, Syed Lal; Riaz, Anila; Muhammad, Akhtar; Tel Çayan, Gülsen; Duru, Mehmet Emin; Ahmad, Nasir (MDPI, 2021)Mushroom polysaccharides are active medicinal compounds that possess immune-modulatory and anticancer properties. Currently, the mushroom polysaccharides krestin, lentinan, and polysaccharopeptides are used as anticancer ... -
Isolation, structural characterization, and biological activities of galactomannans from Rhizopogon luteolus and Ganoderma adspersum mushrooms
Tel-Çayan, Gülsen; Muhammad, Akhtar; Deveci, Ebru; Duru, Mehmet Emin; Öztürk, Mehmet (Elsevier B.V., 2020)Polysaccharides are essential compounds that contribute to the biological activities of mushrooms. Two new galactomannans (Galactomannan I and II) were isolated from R. luteolus and G. adspersum. Their structures were ... -
A new fatty acid ester from an edible mushroom Rhizopogon luteolus
Tel-Cayan, Guelsen; Muhammad, Akhtar; Duru, Mehmet Emin; Öztürk, Mehmet; Adhikari, Achyut; Turkoglu, Aziz (Taylor & Francis Ltd, 2016)Phytochemical investigation of the Rhizopogon luteolus Fr. led to the isolation of one new fatty acid ester, 3-hydroxy-2,4-dimethylheptacosyl acetate (1) together with two knowncompounds tetracosanoic acid (2) and ergosterol ... -
A novel Salvialactomine from the callus culture of Salvia santolinifolia Boiss
Jan, Tour; Qadri, Raiha; Naqvi, Beena; Adhikari, Achyut; Nadeem, Said; Muhammad, Akhtar (Taylor & Francis Ltd, 2018)A novel compound Salvialactomine (1) along with two other unusual occurring natural products Pentatriacontanoic acid 1, 3-dihydroxypropyl ester (2) and 5-Methylflavone (3) were isolated from the callus of Salvia santolinifolia ... -
Phytochemicals from Dodonaea viscosa and their antioxidant and anticholinesterase activities with structure-activity relationships
Muhammad, Akhtar; Tel-Çayan, Gülsen; Öztürk, Mehmet; Duru, Mehmet Emin; Nadeem, Said; Anis, Itrat; Shah, Muhammad Raza (Taylor & Francis Ltd, 2016)ContextDodonaea viscosa (L.) Jacq (Sapindaceae) has been used in traditional medicine as antimalarial, antidiabetic and antibacterial agent, but further investigations are needed.Objective This study determines the antioxidant ...