The Secretory Apparatus of Tabernaemontana ventricosa Hochst. ex A.DC. (Apocynaceae): Laticifer Identification, Characterization and Distribution
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Antibacterial activity of Tabernaemontana stapfiana britten (Apocynaceae) extracts.
Antibacterial and phytochemical screening of methanolic, sequential extracts (hexane, dichloromethane, ethyl acetate and methanol) and alkaloid rich fractions of Tabernaemontana stapfiana Britten was carried out. The phytochemical screening showed the presence of alkaloids, flavonoids, coumarins, tannins and saponins that have been associated with antimicrobial activity. The stem and root bark ...
متن کاملMorphoanatomic characterization of the stem and the leaf of Tabernaemontana catharinensis A.DC (Apocynaceae) and antimutagenic activity of its leaves
Tabernaemontana catharinensis A. DC (Apocynaceae) is used as a medicinal plant by the population. In order to contribute to the safe use of the plant as herbal medicine, this study aimed to morphoanatomically characterize the aereal vegetative organs of T. catharinensis and to evaluate the leaves’ mutagenic and antimutagenic activities. Histological blades of leaves and stem of T. catharinensis...
متن کاملA New Indole Alkaloid Isolated from Tabernaemontana hystrix Steud (Apocynaceae)
Um novo alcalóide, denominado histrixnina (1), e cinco alcalóides indólicos conhecidos, ibogamina (2), olivacina (3) e affinina (4), affinisina (5) e N b -metilaffinisina (6), foram isolados do extrato metanólico das cascas das raízes de Tabernaemontana hystrix. Os triterpenos conhecidos 3O-acetil-α-amirina, 3-O-acetil-β-amirina, 3-O-acetil-lupeol foram também identificados. As estruturas dos c...
متن کاملextraction and characterization of allium irancum plant extract and its application in the green synthesis of silver nano particles and oxidation of thiocarbony1 compounds
سنتز سبز نانوذرات فلزی (nps) درسالهای اخیر توجه بسیارزیادی را به خود جلب کرده است. زیرا این پروتوکل کم هزینه وسازگار با محیط زیست از روش های استاندارد سنتز. در این پایان نامه ما گزارش میکنیم یک روش ساده و سازگار با محیط زیست برای سنتز نانوذرات نقره با استفاده از محلول آبی عصاره گیاه allium iranicum به عنوان یک عامل کاهش دهنده ی طبیعی. نانو ذرات نقره مشخص شد با استفاده از تکنیک های uv-visible، x...
Identification and Assessment of Human Error during the Process of Operating Various Types of Fire Apparatus
Background and Aim: Firefighting is a difficult and dangerous job. This job requires decision-making and speed of action in critical situations. Such conditions increase the probability of human error in the firefighting activities. Setting up fire apparatus as the first step of emergency response is associated with high criticality. The purpose of this study is identification and assessment th...
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ژورنال
عنوان ژورنال: Plants
سال: 2020
ISSN: 2223-7747
DOI: 10.3390/plants9060686