نتایج جستجو برای: asteraceae

تعداد نتایج: 6455  

Journal: :Molbank 2023

Isoetin derivatives are a rare class of flavonoids with rather erratic occurrence across the plant kingdom. The Cichorieae tribe Asteraceae family has proven to be rich source and centre chemical diversity this compounds. Here, we describe chromatographic isolation mainly NMR-based structure elucidation previously undescribed isoetin derivative from Leontodon hispidus L. (Asteraceae, Cichorieae...

2015
Ulrike Pichler Michael Hauser Martin Wolf Maria Livia Bernardi Gabriele Gadermaier Richard Weiss Christof Ebner Hidenori Yokoi Toshiro Takai Alain Didierlaurent Chiara Rafaiani Peter Briza Adriano Mari Heidrun Behrendt Michael Wallner Fátima Ferreira

BACKGROUND Pollen released by allergenic members of the botanically unrelated families of Asteraceae and Cupressaceae represent potent elicitors of respiratory allergies in regions where these plants are present. As main allergen sources the Asteraceae species ragweed and mugwort, as well as the Cupressaceae species, cypress, mountain cedar, and Japanese cedar have been identified. The major al...

ژورنال: :مجله گیاهشناسی ایران 2005
زهرا توکلی مصطفی اسدی

گونه h. piranshahricum به عنوان گونه جدید از ایران معرفی می گردد. این گونه متعلق به بخش sect. pratensina و زیر بخش subsect. pratenses است و با گونه h. longiscapum  قرابت زیادی دارد. در گونه h. longiscapum  ساقه با کرک های ستاره ای و غده ای، دمگل آذین و برگه های گریبان با کرک های غده ای، تعداد برگ های قاعده ای 2-4 و مستطیلی، برگهای ساقه ای 1 (-2)، تعداد کپه های گل آذین 2-10، برگهای ناحیه گل آذین...

ژورنال: :مجله گیاهشناسی ایران 2004
سید رضا صفوی

گونة scorzonera ovataکه از شمال شرقی ایران جمع شده است برای اولین بار و گونة scorzonera longipapposaکه از جنوب ایران جمع آوری گردیده است به عنوان گونه ای جالب از ایران گزارش می شوند.

ژورنال: :رستنیها 2011
علی سنبلی شاهرخ کاظم پور اوصالو ولی اله مظفریان کوثر نادری مژگان لارتی

گونهtanacetum zahlbruckneri  از شمال غرب ایران (ارومیه، سرو) برای فلور ایران گزارش می شود. این گونه معمایی پیش از این دو بار به اشتباه از ماکو و دره قاسملوی ارومیه برای ایران به عنوان گزارش جدید معرفی شده بود. شرح کامل گیاه شناسی، صفات متمایز کننده و پراکنش گونه در دنیا به همراه جایگاه فیلوژنتیکی آن براساس داده های توالیnrdna  its در چارچوب مولکولی در کنار سایر گونه های جنس tanacetum ارایه شده ...

Journal: :iranian journal of pharmaceutical research 0
fariba heshmati afshar medical philosophy and history research center, tabriz university of medical sciences, tabriz, iran abbas delazar drug applied research center, tabriz university of medical sciences, tabriz, iran hossein nazemiyeh school of pharmacy, tabriz university of medical sciences, tabriz, iran laleh khodaie medical philosophy and history research center, tabriz university of medical sciences, tabriz, iran seddigheh bamdad moghaddam drug applied research center, tabriz university of medical sciences, tabriz, iran

this study aimed to determine phenolic compounds of artemisia spicigera (family asteraceae) growing in east-azarbaijan province of iran. 20%, 40 % and 60% spe fractions of methanolic extract of a. spicigera, were subjected to reversed phase preparative hplc, with the mobile phase consisted of methanol and water. structural identification of phytochemicals by spectroscopic methods including uv a...

Journal: :iranian journal of basic medical sciences 0
zahra tayarani-najaran department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran farideh-sadat makki department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran biotechnology research center, school of pharmacy, mashhad university of medical sciences, mashhad, iran nafiseh-sadat alamolhodaei department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran biotechnology research center, school of pharmacy, mashhad university of medical sciences, mashhad, iran mahdi mojarrab pharmaceutical sciences research center, school of pharmacy, kermanshah university of medical sciences, kermanshah, iran

objective(s): artemisia is a genus of herbs and small shrubs forms an important part of natural vegetation in iran. it has been reported that several artemisia species possess anti-proliferative effects. considering the value of this genus in anti-cancer researches we have chosen artemisia biennis for cytotoxic and mechanistic studies. materials and methods:in this study we have investigated th...

2013
A. H. M. Mahbubur Rahman

Systematic investigation on the family Asteraceae (Compositae) growing throughout in the northern region of Bangladesh was carried out. A total of 36 species under 29 genera of the family Asteraceae were collected and identified. A complete taxonomic account of each species has been given along with their current name, local name, brief description, phenology, basic chromosome number, anatomy a...

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