نتایج جستجو برای: isoeugenol
تعداد نتایج: 195 فیلتر نتایج به سال:
Novel fumarate derivatives; synthesis and investigation of acetylcholinesterase inhibitor properties
In this study, new fumarate compounds (I-IV) containing some natural phenols (eugenol, guaiacol, isoeugenol and vanillin) were synthesized characterized. The single crystal X-ray diffraction technique was used to determine the structures of all compounds. All evaluated as acetylcholinesterase (AChE) inhibitory, especially compound IV (IC50 =5.25±0.51 µg/mL), can be identified a promising anti-a...
A novel flavoprotein monooxygenase, trans-anethole oxygenase (TAO), from Pseudomonas putida JYR-1, which is capable of catalyzing the oxidation of trans-anethole to p-anisaldehyde, was heterologously expressed in E. coli and purified. Enzymatic kinetics of diverse substrates and cofactors revealed that TAO is likely to be a novel self-sufficient flavoprotein monooxygenase. Enzyme assays of GST-...
Because of their widespread use, fragrances are among the most common causes of contact allergic dermatitis, second only to nickel. During a five-year period 3,065 patients with contact dermatitis were patch tested using a specific mix of fragrances. 509 (16.6%) patients were allergic to the fragrance mix, while 258 (8.4%) patients exhibited an allergic reaction to Myroxylon pereirae (balsam of...
Vanillin, which is principal aroma constituent of the beans obtained from vanilla orchids, one most demanded flavoring agents in world. Because insufficient supply natural vanillin, market demand usually supplied by synthetic ones. Taking into consideration consumer trends, interest to products are rising day instead counterparts. In this study, it was investigated possibility usage biphasic sy...
The mosquito Aedes aegypti is the vector of the dengue virus, an endemic arbovirus from tropical and subtropical regions of the world. The increasing resistance of mosquitoes to commercial insecticides impairs regular control programs; therefore, chemical prospecting originating from the Amazonian flora is promising for potential new insecticides. Several Piper species are, notably, rich in phe...
Rapid advances in microscopy and genetic labeling strategies have created new opportunities for time-lapse imaging of embryonic development. However, methods for immobilizing embryos for long periods while maintaining normal development have changed little. In zebrafish, current immobilization techniques rely on the anesthetic tricaine. Unfortunately, prolonged tricaine treatment at concentrati...
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