نتایج جستجو برای: stigmasterol acetate

تعداد نتایج: 50586  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه 1393

چکیده : دو گیاه perovskia abrotanoides karel و zeravschania aucheri در سایه تحت جریان ملایم هوا خشک شدند. اسانس گیری از گیاهان خشک شده توسط دو روش تقطیر با آب و میکرواستخراج فاز جامد در فضای فوقانی انجام گرفت و اسانس ها با استفاده ار روش کروماتوگرافی گازی- طیف سنج جرمی (gc-ms) مورد تجزیه و تحلیل قرار گرفتند. ترکیبات عمده شناسایی شده در اسانس برگ و گل و ساقه گیاه p.abrotanoides عبارتند از: ...

2012
Arjun Kafle Surya K. Kalauni Mangala Devi Manandhar

Phytochemical and biological screening of root of Asparagus racemosus was studied. The brine shrimp bioassay of its various extracts showed that the methanol (MeOH) extract was biologically active. The column chromatography of hexane, acetone and methanol extracts resulted in the isolation of 9hexadecanoic acid-9-octadecenylester (Z,Z), β-Sitosterol, stigmasterol-3-O-β-D-glucopyranoside and dio...

Journal: :Phytochemistry 2010
Bhuwan B Mishra Desh D Singh Navneet Kishore Vinod K Tiwari Vyasji Tripathi

Antifungal constituents, 2-isopropenyl-4-methyl-1-oxa-cyclopenta[b]anthracene-5,10-dione and (+)-4-(2'-hydroxy-3'-methylbut-3'-enyloxy)-8H-[1,3]dioxolo[4,5-h]chromen-8-one in addition to known compounds imperatorin, beta-sitosterol, plumbagin, 1-methyl-2-(3'-methyl-but-2'-enyloxy)-anthraquinone, beta-sitosterol glucoside, stigmasterol, vanillin and salicin were isolated during phytochemical inv...

Journal: :African journal of traditional, complementary, and alternative medicines : AJTCAM 2007
C C Joseph M J Moshi E Innocent M H H Nkunya

The ethanol extract of the root bark of Terminalia sericea yielded an unreported stilbene glycoside, 3'5'-dihydroxy-4-(2-hydroxy-ethoxy) resveratrol-3-O-beta-rutinoside (1) together with known compounds resveratrol-3-beta-rutinoside glycoside (2), 3',4,5'-Trihydroxystilbene (resveratrol) (3), triterpenoic acid arjungenin and a mixture of beta-sitosterol and stigmasterol. Structure determination...

2014
Fei Lu

In the present study, Radix Codonopsis was extracted by supercritical CO2 extraction. As Ointment collecting rate and the yield of stigmasterol are index, Various reaction parameters were changed to attain the optimal conditions. The appropriate process conditions are size 40 60Mesh, 30 Mpa pressure, temperature 65 °C, 120 min, entrainer Alcohol dynamic extraction (entrainer pump flow rate of 1...

Journal: :iranian journal of pharmaceutical sciences 0
suleiman afsharypuor faculty of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran mohammadreza rahiminezhad faculty of sciences, department of botany, university of isfahan, isfahan, iran leili ghaemmaghami faculty of sciences, department of botany, university of isfahan, isfahan, iran majid soleimani soleimani faculty of sciences, department of chemistry, imam khomeini international university, ghazvin, iran mohammadreza khanmohammadic faculty of sciences, department of chemistry, imam khomeini international university, ghazvin, iran neda afsharipour faculty of sciences, department of chemistry, imam khomeini international university, ghazvin, iran

the composition of essential oil of leaves of the male and female shrubs of juniperus chinensis l. (growing in isfahan) was analyzed by gas choromatography(gc) and gc-mass spectrometery (ms). the main constituents of leaf oil of the male shrub were: bornyl acetate (26.1%), sabinene (18.3%), trans-sabinyl acetate (11.1%), myrcene (9.2%), limonene (6.1%), elemol (5.5%), α-cadinol (2.3%), δ-cadine...

Journal: :iranian journal of medical sciences 0
jean de dieu tamokou departments of biochemistry, university of dschang, cameroon jules roger kuiate departments of biochemistry, university of dschang, cameroon mathieu tene chemistry, faculty of sciences, university of dschang, cameroon timothée julbelin kenla nwemeguela chemistry, faculty of sciences, university of dschang, cameroon pierre tane chemistry, faculty of sciences, university of dschang, cameroon

background: brillantaisia lamium is an erect branched herb, which grows to a height of 1.50 m in moist tropical areas, both in full sun and partial shade. in cameroon, the aerial part of this plant is used in the treatment of various microbial infections such as skin diseases and infections of urinary tract. the aim of this study was to evaluate the antimicrobial activities of ch2cl2: meoh (1:1...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید