نتایج جستجو برای: juniperus excelsa
تعداد نتایج: 3036 فیلتر نتایج به سال:
s. excelsa یکی از دو گونه موجود در ایران از جنس smilaxاست که در مناطق شمالی ایران رشد می-کند. در زمینه فعالیت فیتوشیمیایی بر روی گونه های موجود در ایران به منظور پیدا کردن ترکیبات فعال بیولوژیکی، ترکیبات موجود در اسانس اندام های ساقه-برگ، میوه و ساقه گیاه s. excelsa مورد مطالعه قرار گرفت. بعد از انجام فرآیند اسانس گیری از هر کدام از اندام های ذکر شده گیاه، اسانس ها به دستگاه gc-ms تزریق شد و شن...

 Alphitonia excelsa merupakan salah satu tanaman yang berpotensi sebagai antioksidan dan telah digunakan secara turun temurun di masyarakat terapi berbagai macam penyakit. Hal tersebut mendasari tujuan penelitian ini, yaitu menentukan aktivitas total flavonoid kulit batang A. excelsa. Metode gunakan dalam pengujian adalah peredaman terhadap radikal 2,2-difenil-1-pikrilhidrazil (DPPH), sed...
To evaluate antifertility mode of action of extracts of Juniperus communis Linn., its various extracts were investigated for estrogenic, antiestrogenic, progestagenic and antiprogestagenic properties in laboratory animals. Investigations reveal that the extract possessed only antiprogestational activity which accounts for its antifertility effect.
BACKGROUND Juniperus communis L. represents a multi-purpose crop used in the pharmaceutical, food, and cosmetic industry. Several studies present the possible medicinal properties of different Juniperus taxa native to specific geographical area. The present study aims to evaluate the genoprotective, antioxidant, antifungal and anti-inflammatory potential of hydroalcoholic extract of wild-growin...
The Cavitron technique facilitates time and material saving for vulnerability analysis. The use of rotors with small diameters leads to high water pressure gradients (DeltaP) across samples, which may cause pit aspiration in conifers. In this study, the effect of pit aspiration on Cavitron measurements was analysed and a modified 'conifer method' was tested which avoids critical (i.e. pit aspir...
Sandflies were collected in the base of tree-trunks in the seasons of high and least rainfall in the Ducke Forest Reserve, near Manaus in the State of Amazonas. Lutzomyia umbratilis was the most abundant sandfly species. Caryocar villosum, Chrysophyllum amazonicum, Dinizia excelsa, Eschweilera atropetiolata and Parkia multijuga were the tree species on which most sandflies were collected and re...
The Rancho La Brea tar pit fossil collection includes Juniperus (C3) wood specimens that 14C date between 7.7 and 55 thousand years (kyr) B.P., providing a constrained record of plant response for southern California during the last glacial period. Atmospheric CO2 concentration ([CO2]) ranged between 180 and 220 ppm during glacial periods, rose to approximately 280 ppm before the industrial per...
A new stilbene, 4-[(2"E)-7"-hydroxy-3",7"-dimethyloct-2"-enyl]-2',3,4',5-tetrahydroxy-trans-stilbene (1), and the known compound chlorophorin (2) were isolated from the heartwood of Chlorophora excelsa. Both 1 and 2 showed tyrosinase inhibitory activity with IC(50) values of 96 and 1.3 microM, respectively.
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