Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 488, listelenen: 413-432
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One-step multiple component isolation from the oil of Crinitaria tatarica (Less.) Sojak by preparative capillary gas chromatography with characterization by spectroscopic and spectrometric techniques and evaluation of biological activity
(Wiley-V C H Verlag GMBH, 2012)Gas chromatographic analysis revealed that the oil of Crinitaria tatarica was rich in sabinene (32.1%), beta-pinene (8.8%), and two unknown (M+200) compounds (I) and (II) (21.4% and 3.4%). One-step multiple fractionation ... -
Opportunities and threats for biological screening of medicinal plants: Importance for the pharmaceutical industries in developing countries
(2008)Importance of medicinal plants has been continually increasing both for pharmaceutical industry and traditional users. This review outlines opportunities and threats for biological screening of medicinal plants, focusing ... -
Patterns of essential oil relationships in Pimpinella (Umbelliferae) based on phylogenetic relationships using nuclear and chloroplast sequences
(2005)Hydro-distilled essential oils from fruits, aerial parts (without fruits) and roots of Pimpinella species native to Turkey and their phylogenetic relationships to one another were examined. Phytochemical investigation of ... -
Phenolic acid contents, essential oil compositions and antioxidant activities of two varieties of Salvia euphratica from Turkey
(2012)This study was designed to evaluate the invitro antioxidant activities of n-hexane (Hex), dichloromethane (DCM), methanol (MeOH) and essential oils (EO) extracts obtained from Salvia euphratica var. euphratica and Salvia ... -
Phenolic acid profile and in vitro neurobiological effect of phlomis grandiflora H.S. Thompson var. Grandiflora
(Chemical Society of Pakistan, 2018)Neurodegenerative diseases e.g. Alzheimer’s disease (AD) and Parkinson’s disease (PD) are on increase particularly among elderly population and the drugs available are only able to provide symptomatic treatment. Hence, an ... -
Phenolic Acid Profile and in vitro Neurobiological Effect of Phlomis grandiflora HS Thompson var. grandiflora
(Chem Soc Pakistan, 2018)Neurodegenerative diseases e.g. Alzheimer's disease (AD) and Parkinson's disease (PD) are on increase particularly among elderly population and the drugs available are only able to provide symptomatic treatment. Hence, an ... -
Phenolic composition and antioxidant activity of thedifferent extracts from Thymus longicaulis C Presl. subsp longicaulis var. longicaulis and T. longicaulis C. Presl. subsp longicaulis var. subisophyllus growing in Turkey
(University Karachi, 2015)The objectives of the present study were to investigate the phenolic composition and in vitro antioxidant capacities of the infusions and different extracts of two Thymus taxa: Thymus longicaulis C. Presl. subsp. longicaulis ... -
Phenolic composition and antioxidant activity of thedifferent extracts from Thymus longicaulis C Presl. Subsp. Longicaulis var. Longicaulis and T. Longicaulis C. Presl. Subsp. Longicaulis var. Subisophyllus growing in Turkey
(Pakistan Journal of Pharmaceutical Sciences, 2015)The objectives of the present study were to investigate the phenolic composition and in vitro antioxidant capacities of the infusions and different extracts of two Thymus taxa: Thymus longicaulis C. Presl. subsp. longicaulis ... -
Phenolic composition and biological activities of Salvia halophila and Salvia virgata from Turkey
(Elsevier Sci LTD, 2008)The aerial parts of Salvia halophila and Salvia virgata were subjected to Soxhlet extraction with different solvents such as n-hexane, ethyl acetate, methanol, and aqueous methanol (50%). Plants were also extracted with ... -
Phenolic composition of strawberry genotypes at different maturation stages
(American Chemical Society, 2004)The effects of maturation (green, pink, and ripe) on phenolic composition of strawberry cultivars Camarosa, Dorit, Chandler, and Osmanli and their hybrids were investigated using a high-pressure liquid chromatography (HPLC) ... -
Phenolic compounds and antioxidant activities of some Hypericum species: A comparative study with H. perforatum
(Taylor & Francis Inc, 2009)This study was designed to determine the polyphenolic contents of the extracts and to evaluate the anti oxidant activity of Hypericum origanifolium Willd. and H. montbretii Spach. (Guttiferae (Hypericaceae)), The possible ... -
Phenolic Profile and Antioxidant Evaluation of Mentha x piperita L., (Peppermint) Extracts
(Natural Products Inc, 2009)Seven extracts were prepared from Mentha x piperita (peppermint) leaves in sequence using a Soxhlet apparatus, viz. (40-60 degrees) light petroleum (PE), dichloromethane (CH(2)Cl(2)), acetonitrile (ACN), ethyl acetate ... -
Phoenix dactylifera L. spathe essential oil: Chemical composition and repellent activity against the yellow fever mosquito
(Elsevier Science BV, 2013)Date palm, Phoenix dactylifera L. (Arecaceae), grows commonly in the Arabian Peninsula and is traditionally used to treat various diseases. The aim of the present study was to identify chemical composition of the essential ... -
Phytochemical analysis and evaluation of the cytotoxic, antimicrobial and antioxidant activities of essential oils from three Plectranthus species grown in Saudi Arabia
(Bmc, 2018)Background: Cancers and microbial infections are still a major health problem, therefore research on new anticancer and antimicrobial agents ought to be continued. Natural products including essential oils from medicinal ... -
Phytochemical and antioxidant analysis of eight Hypericum taxa from Central Italy
(Elsevier Science BV, 2008)Eight taxa of the Hypericum spp. growing in Central Italy (Appennino Umbro-Marchigiano) were analyzed by HPLC-DAD for constituents quantitation, for antioxidant and free radical scavenging activities. H. perforatum subsp. ... -
Phytochemical Characterization of Phagnalon graecum Boiss. by HPLC and GC-MS with its Enzyme Inhibitory and Antioxidant Activity Profiling by Spectrophotometric Methods
(Springer, 2013)In the current study, the n-hexane, chloroform, ethyl acetate, methanol, and water extracts of Phagnalon graecum Boiss. (Asteraceae), a spice plant, were investigated for their enzyme inhibitory activity against ... -
Phytochemical characterization of phenolics by LC-MS/MS and biological evaluation of Ajuga orientalis from Turkey
(Bangladesh Pharmacological Soc, 2015)The aim of this study was to reveal the phytochemical constituents, antioxidant and antimicrobial activity of Ajuga orientalis. According to the antimicrobial results, the methanol extract of A. orientalis showed a MIC ... -
Phytochemical contents and enzyme inhibitory and antioxidant properties of Anethum graveolens L. (dill) samples cultivated under organic and conventional agricultural conditions
(Pergamon-Elsevier Science LTD, 2013)Inhibitory effect of the n-hexane, dichloromethane, ethyl acetate, and ethanol extracts from Anethum graveolens L. (dill) cultivated under organic (AG-O) and conventional (AG-C) conditions was tested against acetylcholinesterase ... -
Phytochemical profiling and evaluation of marrubium sivasense aytaç, akgül & ekici for antioxidant activity and inhibition effects on ?-amylase, lipoxygenase, xanthine oxidase and tyrosinase enzymes
(Turkish Chemical Society, 2019)In the present study, the extract of an endemic plant ourkey Marrubium sivasense Aytaç, Akgül & Ekici was investigated for phytochemical profile, antioxidant properties and inhibition of several enzymes. The chemical ... -
Phytochemical profiling of volatile components of Lavandula angustifolia Miller propagated under in vitro conditions
(Elsevier Science BV, 2017)The aim of this study was to compare the chemical composition of L. angustifolia volatiles from the field crop plant versus in vitro micropropagated plantlets. The rationale of this work was to develop in vitro culture ...
