Başlık için Farmakognozi Anabilim Dalı listeleme
Toplam kayıt 594, listelenen: 497-516
-
Natural product studies of U.S. endangered plants: Volatile components of Lindera melissifolia (Lauraceae) repel mosquitoes and ticks
(Pergamon-Elsevier Science LTD, 2012)The number of endangered plant species in the U.S. is significant, yet studies aimed towards utilizing these plants are limited. Ticks and mosquitoes are vectors of significant pathogenic diseases of humans. Repellents are ... -
The Needle Oil of Pinus caribaea Morelet From Nigeria
(Taylor & Francis Inc, 2009)Essential oil composition of fresh needles from Pinus caribaea Morelet (Carribean pine) grown in Nigeria was investigated by a combination of CC and GC/MS. The 44 oil constituents, obtained by hydrodistillation, were largely ... -
New alkaloids from Bongardia chrysogonum
(Taylor & Francis LTD, 1998)Two new alkaloids, 17-desoxy-cis-lamprolobine (1) and bonzakaline (2), along with the known alkaloids lupanine (3) and palmatrubine (4), have been isolated from the ethanolic extracts of Bongardia chrysogonum. Compounds 1 ... -
New trends in the utilization of medicinal and aromatic plants
(Int Soc Horticultural Science, 2005)The use of medicinal and aromatic plants has never been out of focus throughout history. Our time, on the other hand, is witnessing a different approach to their utilization. For the first time in history, they have become ... -
New, sesquiterpenoid-type bicyclic compounds from the buds of Betula pubescens - Ring-contracted products of beta-caryophyllene?
(Wiley-V C H Verlag GMBH, 2004)The essential oils obtained from the buds of Betula pubescens ssp. pubescens and B. pubescens ssp. czerepanovii were analyzed both by GC and GC/MS and, of the 31 compounds identified, 14-acetoxy-beta-caryophyllene was ... -
Ninde oil (Aeollanthus myrianthus Taylor) revisited: Analysis of a historical oil
(Allured Publ Corp, 2005)A new analysis by GC and GC/MS was made on a sample of ninde oil that had been produced by water and steam distillation in 1934/35 from flowers of Aeollanthus myrianthus Bak. (Lamiaceae) of Northern Zambian origin. Forty-one ... -
A novel wound healing ointment: A formulation of Hypericum perforatum oil and sage and oregano essential oils based on traditional Turkish knowledge
(Elsevier Ireland LTD, 2011)Aim of the study: Hypericum perforatum L (Hypericaceae), olive oil (Oleaceae), Origanum Tourn ex L and Salvia L. species (Lamiaceae) are used against inflammatory disorders and for healing of skin wounds in traditional ... -
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 ... -
Phenols, flavones and flavonols in some herbal teas in Turkey and their antioxidant activities
(Blackwell Publishing, 2006)…
