Isolation, Identification and Tyrosinase Inhibitory Activities of the Extractives from Allamanda cathartica
نویسندگان
چکیده
منابع مشابه
Isolation, Identification and Tyrosinase Inhibitory Activities of the Extractives from Allamanda cathartica
Tyrosinase inhibitory activity of the extractives from A. cathartica was examined and their new bioactivity and potent active compounds were identified. Five compounds, glabridin, new lignan, kaempferol, naringenin, and allamandicin, were isolated by a series of chromatography, and identified by NMR and LC-MS. Among them, glabridin had the highest tyrosinase inhibitory activity (IC50:2.93 μM) w...
متن کاملAntibacterial and Antifungal Activities of Allamanda Cathartica Linn
Fresh flowers of Allamanda Cathartica Linn. were collected and was extracted with 90% methanol under reflux. The alcoholic extract was concentrated in vacuo and the aqueous concentrate was fractionated with benzene, peroxide free diethylether and ethylacetate successively. The ethyl acetate fraction was concentrated in vacuo and left in an ice chest for a few days. The yellow solid obtained, a ...
متن کاملIn Vitro Anti-inflammatory Activity of Quercitrin Isolated from Allamanda Cathartica Linn
In the present work, the flavonoid quercitrin obtained from the fresh flowers of Allamanda Cathartica Linn. was evaluated for anti-inflammatory activity by in vitro hemolytic membrane stabilizing study. The effect of inflammation condition was studied on erythrocyte exposed to hypotonic solution. The results of the evaluation indicate that the obtained compound was found to show membrane stabil...
متن کاملCholinesterase Inhibitory, Anti-oxidant and Anti-tyrosinase Activities of Three Iranian Species of Dracocephalum
Background and objectives: Dracocephalum species are mentioned in Iranian traditional medicine for enhancement of cognitive performance. In the present study, the acetyl cholinesterase inhibitory and butyryl cholinesterase inhibitory activities as well as the anti-oxidant and anti-tyrosinase effects of three Iranian Dracocephalum species (D. kotschyi,...
متن کاملthe role of russia in transmission of energy from central asia and caucuses to european union
پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Natural Resources
سال: 2011
ISSN: 2158-706X,2158-7086
DOI: 10.4236/nr.2011.23022