نتایج جستجو برای: گیاه حرا avicennia marina forssk vierh
تعداد نتایج: 37425 فیلتر نتایج به سال:
in vitro assessment of the antifungal activities was evaluated in the present study for both aqueous and ethanol extracts prepared from leaves of avicennia marina and rhizophora mucronata . leaves of mangrove species were collected from qeshm and syrik of south-east coast of iran, mangrove forest respectively. antimicrobial tests were carried out through disk diffusion method. minimum fungicida...
زمینه: از جمله معضلات شایع در دنیای پزشکی، مساٴله مقاومت باکتری ها در برابر آنتی بیوتیک ها بوده، لذا یافتن ترکیبات ضد میکروبی جدید با کمترین اثرات جانبی امری لازم و ضروری می باشد. با توجه به وجود ترکیبات بیولوژیکی فعال موجود در گیاه حرا و استفاده هایی که از این گیاه در طب سنتی به عمل می آید به نظر می رسد که این گیاه دارای قابلیت ضد باکتریایی قابل ملاحظه ای باشد. هدف از این مطالعه، بررسی اثر ض...
Abstract: A diverse array of bioactive compounds have been isolated and characterized from the mangrove plant Avicennia marina and its endophytes. Extensive chemical investigations of the different parts (barks, leaves, twigs, etc.) of the mangrove plant A. marina and its endophytes (mainly endophytic fungi) resulted in the reporting of the isolation of 123 compounds, and most of them are new o...
Objective(s): Regarding the presence of many active biological constituents in Avicennia marina, the present investigation was carried out to study cytotoxic activity of crude methanol leave extract and column chromatographic fractions of A. marina against MDA-MB 231 cell line (human breast cancer cell) and HEK (Human embryonic kidney cell) line . Materials and Methods: The an...
BACKGROUND AND AIMS Successive vascular cambia are involved in the secondary growth of at least 200 woody species from >30 plant families. In the mangrove Avicennia these successive cambia are organized in patches, creating stems with non-concentric xylem tissue surrounded by internal phloem tissue. Little is known about radial growth and tree stem dynamics in trees with this type of anatomy. T...
Four new jacaranone analogs, marinoids F-I (1-4), were isolated from the fruits of a Beibu Gulf mangrove Avicennia marina. The structures were elucidated based on analysis of spectroscopic data. Marinoids F and G are shown to be diastereoisomers of chlorocornoside, a new halogen containing marine secondary metabolite. The antioxidant activity of the isolates was evaluated using a cellular antio...
Herbicides, particularly diuron, were correlated with severe and widespread dieback of the dominant mangrove, Avicennia marina (Forsk.) Vierh. var. eucalyptifolia (Val.) N.C. Duke (Avicenniaceae), its reduced canopy condition, and declines in seedling health within three neighbouring estuaries in the Mackay region of NE Australia. This unusual species-specific dieback, first observed in the ear...
Avicennia marina is the most abundant and common mangrove species and has been used as a traditional medicine for skin diseases, rheumatism, ulcers, and smallpox. However, its anticancer activities and polyphenol contents remain poorly characterized. Thus, here we investigated anticancer activities of secondary A. marina metabolites that were purified by sequential soxhlet extraction in water, ...
Remote sensing has played a crucial role in mapping and understanding of the spatial pattern of mangrove forests and changes in its areal extent caused by natural disasters and anthropogenic forces. So far traditional pixel-based classification of multispectral imagery has been widely applied for broad mapping of mangrove covers. But the recent and more advanced hyperspectral data taken from se...
Background & Aim: Diabetes mellitus increases oxidative stress and results in the weakening of the antioxidant defense system. Leaves of mangrove (Avicennia marina) which have not been studied enough are rich in antioxidant compounds. This study was conducted to determine the effect of aqueous extract of mangrove leaves (Avicennia marina) on the antioxidant enzyme activities of ovarian tissue i...
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