Giriş ve amaç: Üreaz enzimi, Helicobacter pylori nedenli peptik ülserin tedavisi için yeni ilaç adayı bileşiklerin hedeflerinden biri haline gelmiştir. Bu çalışmada Rize’den toplanan altı yabani bitkinin [Daphne pontica L., Lotus corniculatus Lythrum salicaria Medicago sativa Potentilla reptans L. Senecio leucanthemifolius subsp. vernalis (Waldst. & Kit.) Greuter] üreaz enzimini inhibe ...

Hawthorn (Crataegus oxyacantha) is a widely used Chinese herb for treatment of gastrointestinal ailments and heart problems and consumed as food. In North America, the role of treatment for heart problems dates back to 1800. Currently, evidence is accumulating from various in vivo and in vitro studies that hawthorn extracts exert a wide range of cardiovascular pharmacological properties, includ...

authors and five references. They should not have tables or figures and should relate solely to an article published in Circulation within the preceding 12 weeks. Only some letters will be published. Authors of those selected for publication will receive prepublication proofs, and authors of the article cited in the letter will be invited to reply. Replies must be signed by all authors listed i...

At a time when all knowledge is 'situated' and no longer 'universal' or 'neutral', the translation of Sheila Jasanoff's reflections about "how we should deploy for the good our profoundly human ingenuity" raises a question for Brazilian academia: how to 'situate' this reflection? If times are changing for the imperial West, it is plausible to take advantage of this time to problematize 'the pro...

6. Hawthorn (Crataegus species) 6.1. Clinical studies 6.1.1. Cardiac insufficiency 6.2. In vitro and in vivo studies 6.2.1. Inotropic effects 6.2.2. Antiarrhyythmic effects 6.2.3. Ischemic-reperfusion injury 6.2.4. Vasodilation and coronary blood flow 6.2.5. Antihypertensive effects 6.2.6. Antioxidant effects 7. Red wine (Vitis vinifera) and resveratrol

The title compound, C(12)H(14)O(3), is a natural product derived from the medium-sized hawthorn Crataegus persimilis ('prunifolia'). The mean plane of the butene moiety is twisted by 13.27 (7)° with respect to the that of the dioxobenzaldehyde moiety. There is an intra-molecular hydrogen bond between the hydroxyl group and the carbonyl O atom.