نتایج جستجو برای: nonadecane

تعداد نتایج: 48  

Journal: : 2023

Rosa damascena Mill. a rather popular variety of roses has anti-inflammatory, wound-healing, and antiseptic effects. The aim this study was to establish the component composition freon extract Damask rose grown in vitro substantiate advantages method prospects for use phytosubstances medical practice. Materials methods. object rose, by clonal micropropagation vitro. qualitative quantitative det...

2013
M. Mojarrab A. Delazar S. Esnaashari F. Heshmati Afshar

The essential oils of the aerial parts of A. armeniaca and A. incana, collected from Arasbaran area (East Azarbaijan province, Iran) were extracted by hydrodistillation and analyzed by GC-MS. In total, 16 and 40 constituents were identified and quantified in the oils of A. armeniaca and A. incana representing 80.5% and 84.6% of the oils, respectively. The essential oil of A. armeniaca was mainl...

Journal: :Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 2015

گل محمدی با نام علمی  Rosa damascena Mill.  و از خانواده  Rosaceae ، در مناطق مختلف ایران و جهان کشت می گردد. اسانس و گلاب استخراج شده از گل در صنایع عطرسازی، آرایشی و غذایی مصرف گسترده ای دارد. از آنجا که رویش گیاهان در مناطق مختلف تاثیر مهمی روی رشد گیاه و میزان مواد موثر آن خواهد داشت, از این رو در این تحقیق، استخراج اسانس از گل دو ژنوتیپ این گونه از مناطق قمصر (کاشان) B188  و اسکو  (آذربایج...

A. Sharifan M. Ghavami P. Kheirkhahan

Food preservation is an action or a method of maintaining foods at a desired level of properties or nature for their maximum benefits. In general, each step of handling, processing, storage, and distribution affects the characteristics of food, which may be desirable or undesirable. Thus, understanding the effects of each preservation method and handling procedure on foods is critical in food p...

2014
Yi Wang Ricardo Callejo Alexandra M Z Slawin David O’Hagan

The syntheses of palmitic acids and a nonadecane are reported with CF2 groups located 1,3 or 1,4 to each other along the aliphatic chain. Specifically 8,8,10,10- and 8,8,11,11-tetrafluorohexadecanoic acids (6b and 6c) are prepared as well as the singly modified analogue 8,8-difluorohexadecanoic acid (6a). Also 8,8,11,11-tetrafluorononadecane (27) is prepared as a pure hydrocarbon containing a 1...

Esmaeili, A , Masnabadi , N, Masoudi, Sh, Rustaiyan, AH,

Background: The family Rosaceae, include some large genus, eg the genus Rose includes 200 species and 18000 cultivars. Objective: Aim of this study is to determine the chemical composition of the hydrodistilled oil of the leaves of Sanguisorba minor scop, of Iranian origin for the first time. Methods: The essential oil obtained by hydrodistillation of Sanguisorba minor was analyzed by GC and...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
a esmaeili department of chemical engineering, north tehran branch, islamic azad university sh masoudi department of chemistry, central tehran branch, islamic azad university n masnabadi department of chemistry, roudhen branch, islamic azad university ah rustaiyan department of chemistry, science & research campus, islamic azad university, p.o.box: 14515-775, tehran, iran tel: +98-21- 22436370, fax: +98-21- 22436370

background: the family rosaceae, include some large genus, eg the genus rose includes 200 species and 18000 cultivars. objective: aim of this study is to determine the chemical composition of the hydrodistilled oil of the leaves of sanguisorba minor scop, of iranian origin for the first time. methods: the essential oil obtained by hydrodistillation of sanguisorba minor was analyzed by gc and gc...

2013
H. Sadraei G. Asghari S. Emami

Flower of Rosa damascena Mill is widely used in Iran for gastrointestinal (GI) disorders. However, its pharmacological action on ileum contraction has not been studied. In this research we have investigated ileum motility effect of essential oil of flower petals of R. damascena growing in Kashan, Iran, and two of its constituents. The essential oils obtained by hydrodistillation were investigat...

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