منابع مشابه
Chemical Constituents from the Stem Barks of Plumeria rubra L.
Background and objectives: Plumeria rubra L. (Apocynaceae) is a deciduous shrub or small tree cultivated in subtropical and tropical countries. Its bark is prescribed to treat amoebic dysentery, dropsy, jaundice, scabies, gonorrhea, venereal affections and wounds. In the present research, we aimed to isolate and identify the chemical constituents of the bark of ...
متن کاملTrace elements in Pandanus (Pandanus tectorius) from a manganese-enriched wetland in Southern Guam: a possible Lytico-Bodig connection?
Extremely high levels of manganese (Mn) were encountered in foliar tissue of the monocot tree Pandanus tectorius from southern Guam with values exceeding 10,000 microg/g dry weight in some wetland representatives. Historically, dried Pandanus leaves were used extensively as a source of domestic fiber in the local Chamorro culture. A possible link between the use of this plant and a neurodegener...
متن کاملLignan Glucosides from the Stem Barks of Illicium difengpi.
In this study, four new lignan glucosides, named difengpiosides A-D (1-4), were isolated from the stem barks of Illicium difengpi, together with seven known compounds 5-11. Their structures were identified on the basis of spectroscopic analyses (1D and 2D NMR, HRESIMS, CD) and a comparison with literature data. All the compounds were evaluated for their inhibitory effects on lipopolysaccharide ...
متن کاملAntimosquito Phenylpropenoids from the Stem and Root Barks of Uvariodendron
The phenylpropenoids O-methyleugenol, O-methylisoeugenol and 2,3dimethoxycinnamaldehyde, have been isolated as the antimosquitocidal principles of the stem and root bark extracts of Uvariodendron pycnophyllum (Diels) R.E. Fr. The extracts and compounds exhibited activity with LC50 values in the range 17-59 ppm against the Anopheles gambiae s.s Giles mosquito larvae, while the constituent phenyl...
متن کاملthe effect of traffic density on the accident externality from driving the case study of tehran
در این پژوهش به بررسی اثر افزایش ترافیک بر روی تعداد تصادفات پرداخته شده است. به این منظور 30 تقاطع در شهر تهران بطور تصادفی انتخاب گردید و تعداد تصادفات ماهیانه در این تقاطعات در طول سالهای 89-90 از سازمان کنترل ترافیک شهر تهران استخراج گردید و با استفاده از مدل داده های تابلویی و نرم افزار eviews مدل خطی و درجه دوم تخمین زده شد و در نهایت این نتیجه حاصل شد که تقاطعات پر ترافیک تر تعداد تصادفا...
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ژورنال
عنوان ژورنال: Research Journal of Phytochemistry
سال: 2014
ISSN: 1819-3471
DOI: 10.3923/rjphyto.2014.52.56