نتایج جستجو برای: phytochemical variation

تعداد نتایج: 310089  

Journal: :international journal of molecular and clinical microbiology 0
khosro issazadeh department of microbiology, islamic azad university, lahijan branch, lahijan, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) mohammad reza majid khoshkholgh pahlaviani department of biotechnology, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) alireza massiha department of biotechnology, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) sirus bidarigh department of agriculture, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) masoud giahi department of chemistry, lahijan branch, islamic azad university of iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی لاهیجان (islamic azad university of lahijan) panah zulfagar muradov azerbaijan national academy of sciences, microbiology department, baku, azerbaijan

medicinal plants are a source of great economic value all over the world. nature has bestowed on us a very rich botanical wealth and large number of diverse types of plants grows in different parts of the country. in this study the in vitro antimicrobial activity of crude ethanolic, methanolic and water extracts of the stem bark of o.basilicum were investigated. the extracts exhibited antimicro...

Alias Antonisamy Johnson Marimuthu

The present study was aimed at the development of a somoclonal variant and isozyme marker for Phyllanthus amarus Schum & Thonn using inter-nodal segments and the enzyme peroxidase. Maximum callus proliferation was obtained on Murashige and Skoog’s medium supplemented (MS) with 1.0 mg/l of 2,4-Dichlorophenoxyacetic acid. Three weeks-old pale yellowish white semi-friable callus was used for organ...

Journal: :The American journal of clinical nutrition 2009
Johanna W Lampe

Genetic differences in taste preference, food tolerance, and phytochemical absorption and metabolism all potentially influence the effect of plant-based diets on cancer risk. Diet is a mixture of carcinogens, mutagens, and protective agents, many of which are metabolized by biotransformation enzymes. Genetic polymorphisms that alter protein expression or enzyme function can modify risk. Genotyp...

2015
Mitchell Low Cheang S Khoo Gerald Münch Suresh Govindaraghavan Nikolaus J Sucher

BACKGROUND The anti-inflammatory activity of Andrographis paniculata (Acanthaceae), a traditional medicine widely used in Asia, is commonly attributed to andrographolide, its main secondary metabolite. Commercial A. paniculata extracts are standardised to andrographolide content. We undertook the present study to investigate 1) how selective enrichment of andrographolide in commercial A. panicu...

2004
JACK R. DONALDSON RICHARD L. LINDROTH

Larval performance of the cottonwood leaf beetle,Chrysomela scriptaF., was evaluated in relation to genetic variation in phytochemical characteristics among Þrst year micropropagated ramets of Þve aspen clones (Populus tremuloidesMichx.). Foliage from the juvenile ramets used in this experiment exhibited moderate variation in nitrogen, phenolic glycosides, and condensed tannin concentrations am...

2015
Celine Caseys Christoph Stritt Gaetan Glauser Thierry Blanchard Christian Lexer Tongming Yin

The mechanisms responsible for the origin, maintenance and evolution of plant secondary metabolite diversity remain largely unknown. Decades of phenotypic studies suggest hybridization as a key player in generating chemical diversity in plants. Knowledge of the genetic architecture and selective constraints of phytochemical traits is key to understanding the effects of hybridization on plant ch...

Journal: :avicenna journal of phytomedicine 0
ahmad ghorbani pharmacological research center of medicinal plants, school of medicine, mashhad university of medical sciences, azar hosseini pharmacological research center of medicinal plants, school of medicine, mashhad university of medical sciences

cancer is still one of the major causes of mortality in both developing and developed countries. at this time, in spite of intensive interventions, a large number of patients have poor prognosis. therefore, the effort for finding new anticancer agents with better efficacy and lesser side effects has continued. according to the traditional recommendations and experimental studies, numerous medic...

Epilobium minutiflorum belongs to the genus Epilobium with important medicinal properties. In this study, the natural variation of phytochemical compounds of E. minutiflorum at different altitudes has been investigated. Aerial parts of plants were collected at flowering stage from natural habitats at different altitudes of 2387, 2569 and 2813 masl. The plant extracts were obtained with 80% meth...

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