نتایج جستجو برای: عصارۀ گیاه hypericum perforatum
تعداد نتایج: 35060 فیلتر نتایج به سال:
با توجه به استفاده از فنول در صنایع پتروشیمی و نیز به عنوان ضدعفونی کننده در زمینه پزشکی، این ماده به فراوانی مورد استفاده قرار می گیرد. با وجود این، فنول آزاد در محیط برای سلامتی زیان آور می باشد. هدف از مطالعه حاضر، بررسی اثر محافظتی گیاه گل راعی (hypericum perforatum l.) بر برخی فراسنجه های بیوشیمیایی خون در رت های مسموم شده با فنول بود. بدین منظور، تعداد 54 سر رت نر نژاد ویستار در قالب آزما...
Justice, in the sense of fair adjudication between conflicting claims, is held to be relevant to a wide range of issues in medical ethics. Several differing concepts of justice are briefly described, including Aristotle's formal principle of justice, libertarian theories, utilitarian theories, Marxist theories, the theory of John Rawls, and the view--held, for example, by W.D. Ross--that justi...
Hypericum perforatum is well known for its antidepressant and anti-inflammatory activities, for which hypericin and its derivatives are indicated to be the most active compounds. Hypericin synthase (Hyp-1) is the only protein proven to catalyze the synthesis of hypericin. In this study, the full-length cDNA of Hyp-1 was chemically synthesized according to the Hyp-1 sequence in GenBank (accessio...
OBJECTIVES This study was performed to determine the lethal and the inhibitory effects of ethanol extracts of Achillea millefolium (A. millefolium) and Hypericum perforatum (H. perforatum) on Toxoplasma gondii (T. gondii) RH strain tachyzoites in vitro. METHODS The tachyzoites were treated with concentrations of 10, 50, and 100 mg/mL of A. millefolium and H. perforatum extracts within 10, 30,...
Biological control agents may have unintended effects on native biota, particularly species that are closely related to the target invader. Here, we explored how Chrysolina quadrigemina, a beetle introduced to control the invasive weed Hypericum perforatum, impacts native H. punctatum in Tompkins County, New York, USA. Using a suite of complementary field surveys and experimental manipulations,...
Background and Objectives : Medicinal plants have many therapeutic properties including antimicrobial effects with minimum side effects. The purpose of this study was to investigate the antibacterial effects of alcoholic extracts of three medicinal plants Rosmarinus officinalis, Hypericum perforatum, and Carthamus tinctorius on the growth curve of E.coli O157 . This strain is one of the most ...
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