نتایج جستجو برای: clevenger

تعداد نتایج: 534  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم کشاورزی 1388

کنه ی تارتن دو لکه ای با نام علمی tetranychus utricae koch به نام های کنه ی تارتن گلخانه و کنه ی تارتن زرد نیز مشهور است. این گونه دارای انتشار جهانی است .این کنه حدود 1200 گونه ی گیاهی را مورد حمله قرار می دهد که به 150 گونه از این میزبان ها خسارت اقتصادی وارد می کند. استفاده از آفت کش های وسیع الطیف در کشاورزی باعث از بین رفتن موجودات مفید، طغیان آفات ثانویه، به وجود آمدن نژادهای مقاوم آفت و ...

Journal: :Materia-rio De Janeiro 2021

RESUMO Óleos essenciais derivados de plantas têm chamado a atenção devido uma série propriedades físico-químicas e atividades biológicas. Entretanto, eles possuem diversas limitações, pois são voláteis instáveis na presença umidade, altas temperaturas, ar luz e, assim, técnicas encapsulamento surgem como alternativa para proteção das funcionais desses óleos fornecendo, ainda, liberação lenta co...

Journal: :BIO web of conferences 2022

The genus Artemisia L. is represented in the natural flora of Dagestan (Russia) by 21 species. For first time, data are presented on release essential oil and its component composition aerial part vulgaris L., collected different geographical points during flowering period 2014. aim work was to assess dependence accumulation variability A. place collection raw materials. materials were dried an...

Journal: :به زراعی کشاورزی 0
سعید دوازده امامی استادیار، مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان، اصفهان محمدرضا جهانسوز دانشیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج فاطمه سفیدکن استاد، مؤسسه تحقیقات جنگل ها و مراتع کشور، تهران داریوش مظاهری استاد، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

in order to compare planting season effect on agronomic of characters and yield of dill (anethum graveolens l.) an experiment based on completely randomized design with three replications was conducted in 2006-07 in esfahan province and three planting seasons (spring, summer and autumn) were evaluated. essential oil compositions were obtained by clevenger and recognized by gc-mass and gc. accor...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2014
saied salehi ahmad reza golparvar amin hadipanah

background & aim: salvia spinosa l. is a perennial shrub and aromatic plant belongs to the family lamiaceae. s. spinosa grows wild in some districts of iran. the aim of this study was to identify of the chemical components of s. spinosa in isfahan climatic conditions. experimental: the aerial parts of the plants were collected from isfahan province in 2014. the essential oil was extracted ...

Journal: :iranian chemical communication 2013
javad zeinivand noorkhoda yousefzadeh

achillea millefolium belong to the asteraceae family and from genus achillea. in this study essential oils were extracted from all aerial parts via hydro distillation (hd) method by clevenger set . by using of gas chromatography/mass spectrometry ( gc-ms) technique the chemicals component essential oil were identified. about 41 components with were identified which encompassed 97.66 percent of ...

Achillea millefolium belong to the asteraceae family and from genus achillea. In this study essential oils were extracted from all aerial parts via hydro distillation (HD) method by clevenger set . By using of gas chromatography/mass spectrometry ( GC-MS) technique the chemicals component essential oil were identified. About 41 components with were identified which encompassed 97.66 percent of ...

Journal: :Research, Society and Development 2021

O gênero Psidium é pertencente à família Myrtaceae e compreende importantes espécies botânicas, destacando-se a goiabeira (Psidium guajava L.). óleo essencial (OE) desta espécie já conduziu diversos trabalhos científicos devido sua composição química propriedades farmacológicas, ação antifúngica atividades antimicrobianas. Neste trabalho, duas variedades de Psidium, var. pomifera (Paluma) pyrif...

Journal: :Immunoanalysis 2023

Background: The genus Eryngium, Apiaceae is widely distributed in the world and used traditional medicine for different therapeutic purposes. Eryngium thyrsoideum was investigated due to a lack of phytochemical studies on probable bioactivities its compounds. Methods: aerial parts plant were extracted using n-hexane, dichloromethane, methanol (MeOH) by soxhlet method. MeOH extract exposed C18 S...

Journal: :Acta Scientiarum Polonorum-hortorum Cultus 2022

Essential oil (EO) obtained by hydrodistillation in a Clevenger-type apparatus from aerial parts of Nepeta cataria L. var. citriodora (Becker), cultivated Serbia was subjected to gas chromatography-mass spectroscopy (GC-MS) determine the composition. Furthermore, N. essential wastested its antimicrobial, antioxidant, antihyperglycemic and anti-inflammatory activities vitro.The antimicrobial act...

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