نتایج جستجو برای: distillation using a clevenger

تعداد نتایج: 14087660  

2009
Roberto Gutiérrez-Guerra Juan Gabriel Segovia-Hernández Salvador Hernández

In this paper, design and optimization procedures are developed for a conventional extractive distillation sequence and a thermally coupled extractive distillation scheme. The proposedmethodologies detect the optimal values of the design variables in order to guarantee theminimumenergy consumption. It was found that the optimumenergy consumption can be related to the minimum total annual operat...

Marie sadeghi Parvaneh Rahdari

Sagebrush genus (Artemisia scoparia) is the one of the most important genus of Asteraceae family. It has numerous values because of medicine properties. Sagebrush genus has numerous application in traditional medicine from ancient times. In this research, the isolation and identification of essential oil and antibacterial activity of Artemisia scoparia have been studied. Samples were collected ...

Background and objective: Medicinal oils are one of the most common and special dosage forms in oral and topical therapies of Persian medicine (PM). The oil of Saussurea costus (bitter qust) root is prominent topical oil with different applications in PM. In this study, the oil of bitter qust was prepared according to ancient Persian medical texts. Methods:</st...

ABSTRACT: The essential oil of plant material is the fraction isolated by means of several methods such as liquid carbon dioxide, microwaves and low or high pressure distillation employing boiling water or hot steam and is chemically defined as terpenoids namely monoterpene and the oxygenated form. Since these compounds might be employed as flavour contributors due to their chemical nature, it ...

انوشه شریفان رضا کاظم الوندی مهزاد آقازاد همشگی

نعناع فلفلی با نام علمی Mentha piperita یکی از گیاهان دارویی پر مصرف است که علاوه بر آثار درمانی به عنوان طعم دهنده در تولید محصولات غذایی مختلفبکار می رود. در این بررسی پس از جم عآوری و خشک کردن بر گهای گیاه، به روش تقطیر با آب (Hydro distillation) توسط دستگاه کلونجر (Clevenger apparatus) اسانس گیاه استخراج شده و شناسایی ترکیبات اسانس به کمک دستگاهGC-MS صورت پذیرفت. اثرات ضد میکروبی اسانس نیز ...

آخوندزاده , افشین , احسانی , علی , تاجیک, حسین , شکوهی ثابت جلالی , فرنود , پژوهی , محمدرضا , گندمی , حسن ,

  Received: 25 Aug, 2010 Accepted: 16 Oct, 2010   Abstract   Background & A ims : Mentha longifolia and cumin seed were used for long time as spices and in conventional medicine . T his study was undertaken in order to evaluate the chemical composition of essential oils of Mentha longifolia L. and cumin seed (dried seed of the herb Cuminum cyminum L.) and their antibacterial efficacy alone and ...

Journal: Journal of Herbal Drugs 2012
Abdollah Ghasemi Pirbalouti, Behzad Hamedi Maryam Mirlohi Mohammad Hojatolelsami Shohreh Dadfar

Background & Aim: Secondary metabolites with bioactive and functional properties in essence of aromatic plants can be useful for improvement of quality and persistence of food as natural preservative.  The aim of this study was to evaluate the in vitro antibacterial of essential oils of some of the medicinal plants collected from Chaharmahal va Bakhtiari Province, Iran. Experimental: ...

This study aims to investigate the essential oils content of Thymbr Spicata L. in two times before flowering and full flowering in shirpenah area in Ilam Province. Both samples were dried out in shade and without humidity. Then 50 grams of each sample were powdered after obtaining the essential oils by hydro distillation using a Clevenger apparatus for 2 hours. Resulted oils were dried by anhyd...

Journal: :journal of food biosciences and technology 0

abstract: the essential oil of plant material is the fraction isolated by means of several methods such as liquid carbon dioxide, microwaves and low or high pressure distillation employing boiling water or hot steam and is chemically defined as terpenoids namely monoterpene and the oxygenated form. since these compounds might be employed as flavour contributors due to their chemical nature, it ...

Yarrow (Achillea spp.) belonging to the family of Asteraceae with useful properties, such as anti-diaphoretic, anti-hemorrhagic, anti-inflammation, anti-biotic, anti-fungal, anti-bacterial, Carminative and anti-oxidant effects. The present investigation assessed the morphological diversity of Achillea aucheri, which is indigenous plant from Damavand mountain of Iran. The samples were collected ...

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