نتایج جستجو برای: α bisabolol oxide b

تعداد نتایج: 1207563  

F Ashouri, S Arabi, SS Seyed Saleh,

Background: Fritillaria imperialis is an endangered species with pharmaceutical alkaloids that can be effective in reducing blood pressure and reducing cardiac palpitations.   Objective: Comparison of head space solid phase microextraction (HS-SPME) and hydro-distillation (HD) techniques in determination of essential oils in Fritillaria imperialis Methods: Quality and quantity determination o...

گیاه بابونه دارویی (Matricaria chamomilla L.) یکی از مهمترین گیاهان دارویی است که در صنایع دارویی و لوازم آرایشی کاربردهای فراوانی دارد. بنابراین، تجزیه و شناخت کامل ترکیبهای گیاه اهمیت بسیار دارد. در این تحقیق سه نمونه بابونه دارویی از مناطق کازرون، همدان و تهران جمع‌آوری و به روش تقطیر با آب اسانس‌گیری گردیدند. نمونه اسانس تهران به رنگ سبز تیره بدست آمد. رنگ سبز در اسانس بدلیل وجود ترکیب guai...

Journal: :به زراعی کشاورزی 0
کرامت الله سعیدی استادیار گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران فروه السادات سیدی دانشجوی کارشناسی گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران محمود کیانی دکتری علوم باغبانی، گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران

in this study, the quantity and quality of essential oil (eo) of chamomile cv. ‘bodegold’, moldavian dragonhead cv. ‘szk1’ and fennel cv. ‘soroksari’ were evaluated in shahrekord climate condition in spring 2014, shahrekord university. chamomile’ flowers and dragonhead’ herb were harvested at full flowering stage. fennel’ fruits were harvested at waxy and full-matured stages. the eo content of ...

Journal: :Journal of Spices and Aromatic Crops 2021

Essential oil yield and composition in aromatic crops might be affected by genetic, agronomical environmental factors but till date there is no clear information about the harvesting time distillation for higher essential content without affecting quality. The current study was carried out to evaluate of chamomile flowers herb with part at three different times (6 A.M., 12 P.M. 6 P.M.) four tre...

Journal: :Molecules 2017
Fabyola Amaral da Silva Sá Joelma Abadia Marciano de Paula Pierre Alexandre Dos Santos Leandra de Almeida Ribeiro Oliveira Gerlon de Almeida Ribeiro Oliveira Luciano Morais Lião José Realino de Paula Maria do Rosário Rodrigues Silva

This work describes the isolation and structural elucidation of compounds from the leaves of Myrcia tomentosa (Aubl.) DC. (goiaba-brava) and evaluates the antimicrobial activity of the crude extract, fractions and isolated compounds against bacteria and fungi. Column chromatography was used to fractionate and purify the extract of the M. tomentosa leaves and the chemical structures of the compo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده کشاورزی 1392

در چند سال اخیر با توجه به اهمیت مسایل زیست محیطی و درک جایگاه واقعی این مسئله، استفاده از ترکیب های گیاهی در بین محققان به عنوان یکی از روش های جایگزین برای متیل بروماید و فسفین مطرح شده است. در این تحقیق اثر حشره کشی و دور کنندگی عصاره برگ کنار (سدر) (ziziphus spina-christi) و برگ بابونه (matricaria recutita) روی حشرات کامل سوسک کشیش (rhyzopertha dominica) و شپشه برنج (sitophylus oryza) در دم...

Journal: :Horticulturae 2023

The chamomile drug (Chamomillae anthodium) is widely known and has been used as a medicine for ages. Today, the officially registered in European Pharmacopoeia. Despite economic importance of Matricaria recutita L., little about extent nature essential oil variability composition this species Albania. Therefore, information uses various gene pools extremely valuable development future cultivati...

Journal: :علوم باغبانی 0
محمدتقی عبادی مجید عزیزی رضا امیدبیگی محمد حسن زاده خیاط

abstract in order to study the effect of sowing date and seeding rate on essential oil content and composition of chamomile (matricaria recutita l.) cv. presov, prepared from slovakia, an experiment was conducted. the experimental design was split-plot in the basic of randomized complete blocked design (rcbd) with three replications. main plots consisted of three sowing dates (6 nov, 5 mar, and...

Journal: :journal of agricultural science and technology 2010
f. ayoughi m marzegar m. a. sahari h. naghdibadi

the present study explores the chemical constitution and antioxidant activity of the essential oils of the aerial parts of artemisia dracunculus l. and the flower heads of matricaria chamomilla l. gc-ms analysis revealed the presence of (z)-anethole (51.72%), (z)-β-ocimene (8.32%), methyleugenol (8.06%), limonene (4.94%) and linalool (4.41%) in artemisia dracunculus and (e)-β-farnesene (24.19%)...

Journal: :Molecules 2015
Carlo Romagnoli Anna Baldisserotto Gemma Malisardi Chiara B Vicentini Donatella Mares Elisa Andreotti Silvia Vertuani Stefano Manfredini

Multi-target strategies are directed toward targets that are unrelated (or distantly related) and can create opportunities to address different pathologies. The antidermatophytic activities of nine natural skin lighteners: α-bisabolol, kojic acid, β-arbutin, azelaic acid, hydroquinone, nicotinamide, glycine, glutathione and ascorbyl tetraisopalmitate, were evaluated, in comparison with the know...

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