نتایج جستجو برای: type acid

تعداد نتایج: 1984637  

Journal: :iranian journal of pharmaceutical research 0
abdul majid ayatollahi phytochemistry research center, shahid beheshti university of medical sciences, tehran, iran. department of pharmacognosy, shool of pharmacy and pharmaceutical sciences, shahid beheshti university of medical sciences, tehran, iran. mustafa ghanadian isfahan pharmaceutical sciences research center, isfahan university of medical sciences, isfahan, iran. suleiman afsharypour isfahan pharmaceutical sciences research center, isfahan university of medical sciences, isfahan, iran. omer mohamed abdella international center for chemical and biological sciences, panjwani center for molecular medicine and drug research, university of karachi, karachi, pakistan. mehdi mirzai department of nanotechnology research center, shahid beheshti university of medical sciences, tehran, iran. gholamreza askari faculty of health, isfahan university of medical sciences, isfahan, iran.

the ethyl acetate partition of dried methanolic extract of aerial parts of euphorbia microsciadia (euphorbiaceae) afforded three pentacyclic triterpenes, betulinic acid (1) from lupane type, oleanolic acid (2) from oleane type and ursolic acid (3) from ursane type triterpenes that are reported for the first time in this plant. these three compounds were structurally compared through their mass ...

Abdul Majid Ayatollahi Gholamreza Askari Mehdi Mirzai Mustafa Ghanadian Omer Mohamed Abdella Suleiman Afsharypour

The ethyl acetate partition of dried methanolic extract of aerial parts of Euphorbia microsciadia (Euphorbiaceae) afforded three pentacyclic triterpenes, betulinic acid (1) from lupane type, oleanolic acid (2) from oleane type and ursolic acid (3) from ursane type triterpenes that are reported for the first time in this plant. These three compounds were structurally compared through their mass ...

Abdul Majid Ayatollahi Gholamreza Askari Mehdi Mirzai Mustafa Ghanadian Omer Mohamed Abdella Suleiman Afsharypour

The ethyl acetate partition of dried methanolic extract of aerial parts of Euphorbia microsciadia (Euphorbiaceae) afforded three pentacyclic triterpenes, betulinic acid (1) from lupane type, oleanolic acid (2) from oleane type and ursolic acid (3) from ursane type triterpenes that are reported for the first time in this plant. These three compounds were structurally compared through their mass ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده شیمی 1392

گیاهان juniperus excelsa m.beib. ,juniperus communis l. و juniperus sabina l. از گونه‎های دارویی با ارزش و معطر متعلق به جنس سروکوهی و راسته مخروطیان می‎باشند که در ارتفاعات رشته کوه البرز پراکندگی دارند. هدف از این پژوهش، شناسایی و مقایسه اجزای تشکیل دهنده اسانس میوه ها و سرشاخه‎های هوایی این گیاهان می‎باشد. در این تحقیق میوه‎ و سرشاخه‎های سه گونه فوق در مرداد سال 1390 از منطقه هزار جریب بهشهر...

Journal: :avicenna journal of phytomedicine 0
mostafa jamalan department of biochemistry, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran mahin rezazadeh department of biochemistry, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran majid zeinali biotechnology research center, research institute of petroleum industry (ripi), tehran, iran mohammad ali ghaffari cellular and molecular research center, ahvaz jundishapur university of medical sciences, ahvaz, iran

objective: diabetes mellitus type 2 is one of the most widespread chronic metabolic diseases. in most cases, this type of diabetes is associated with alterations in levels of some inflammatory cytokines and hormones. considering anti-inflammatory properties of plant extracts rich in ascorbic acid (vitamin c) and alpha-tocopherol (vitamin e), anti-diabetic properties of these two well-known anti...

Journal: :international journal of nano dimension 0
m. seyedsadjadi department of chemistry, science and research branch, islamic azad university, tehran, iran s. rashidzadeh department of chemistry, science and research branch, islamic azad university, tehran, iran n. farhadyar department of chemistry, varamin –pishva branch, islamic azad university, varamin, iran

core-shell 12-tungstophosphoric acid/tio2 (hpw/tio2) nanoparticles at 10 and 20% of hpw have been synthesized by simple in-situ sol- gel method. characterization of the samples was carried out by x-ray diffraction (xrd), scanning electron microscopy (sem), fourier transform infrared (ftir). the x-ray diffraction patterns of as prepared solid samples, indicated characteristic peaks of titania wi...

Journal: :iranian journal of diabetes and obesity 0
sarasadat moghadasimousavi 1- resident of internal medicine, division of nephrology, department of internal medicine, shahid sadoughi university of medical sciences and health services, yazd, iran nader nouri–majalan 2- associate professor, division of nephrology, department of internal medicine, faculty of medicine, shaheed sadoughi university of medical sciences and health services, yazd, iran. roghayyeh masoumi-dehshiri helth policy reserch center,shaheed sadoughi university of medical sciences and health services, yazd, iran.

objective: an association between high homocysteine levels and proteinuria in diabetic nephropathy has been shown. on the other hand, supplementation with folic acid lowers homocysteine concentration. we have studied the effects of folic acid supplementation on proteinuria in type 2 diabetic patients with overt proteinuria. materials and methods: forty five (29 men and 16 women) type 2 diabetic...

Journal: :iranian biomedical journal 0
علی اصغر کریمی ali asghar karimi مرجان عجمی marjan ajami یاسین اسدی yasin asadi ناهید ابوطالب nahid aboutaleb فاضل گرجی پور fazel gorjipour رویا ملک لو roya malekloo حمیدرضا پازوکی طرودی

background: skin flap grafting is a popular approach for reconstruction of critical skin and underlying soft tissue injuries. in a previous study, we demonstrated the beneficial effects of two 5α-reductase inhibitors, azelaic acid and finasteride, on tissue survival in a rat model of skin flap grafting. in the current study, we investigated the involvement of nitric oxide and inducible nitric o...

احسانی, امیرهوشنگ, دهنده, آرش, عبدالرضا, مونا, غیاثی, مریم,

Background: Psoriasis is a common, chronic disease of the skin, in which both genetic and environmental factors play a critical role. The most characteristic lesions consist of red, scaly plaques present particularly over extensor surfaces and scalp. Studies have reported association between psoriasis and many other diseases in both cutaneous and systemic forms of the disease. Several studies w...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - دانشکده داروسازی 1392

اهمیت مطالعه در خصوص گیاهان دارویی از آنجا حاصل می شود که، یک و یا بخش هایی از این گیاهان حاوی مواد ارزشمند دارویی، غذایی و بهداشتی است. سنتز هر یک از این مواد موثره، فرآیندی طولانی و هزینه بر است. در این تحقیق، روغن کنجد با استفاده از امواج التراسونیک استخراج و سپس با gc/ms شناسایی شد. استفاده از این امواج در استخراج ترکیبات مختلف از بافت های گیاهی راندمان عمل و سرعت فرآیند استخراج را افزایش...

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