نتایج جستجو برای: poly phenols
تعداد نتایج: 91449 فیلتر نتایج به سال:
Some natural compounds of plants including phenols and alkaloids induce mitosis depressive that are blocked cell division. Field dodder (Cuscuta campestris Yunck.) and eastern dodder (Cuscuta monogyna Vahl.) are the most widespread obligatory parasitic species. In the present study, end of summer 2015, field dodder and eastern dodder are collected from Alhagi maurorum Medik. host and Vine (Viti...
A method for the superheated water chromatography of phenols was developed using a poly(styrene-divinylbenzene) (PSDVB) stationary phase. The stationary phase of superheated water chromatography must be stable against the attack of water. A durability test for PSDVB packings and octadecylsilyl (ODS)-silica gels indicated that PSDVB packings were stable in superheated water in the temperature ra...
The aim of the paper is to present microbial transformation reactions as a step in the preparation of drugs or their key intermediates from plant derived compounds. Described are some successful applications of microbial transformation processes for preparation of steroid drugs and/or their important intermediates as well as some microbial transformations of terpenes, alkaloids, flavonoids and ...
Over the past decade, the chemical behavior of flavonoids as antioxidants has become the subject ofintense experimental research. In this paper, we use a quantum-chemical approach to shed light on thereactivity of four poly phenols, Benzoic acid, vanilic acid, gallic acid and flavone . In order to establishthe most efficient theoretical methodology, different methods, either Hartree—Fock-based ...
Introduction: Phenolic compounds have an important role as essential metabolites for plants growth and reproduction, as well as protecting agents against pathogens. These compounds are important sources of antioxidants which act as reducing agents and hydrogen donors. Consumption of fruits, vegetables and plants rich in poly phenols is associated with the reduced risk of certain cancer, cardiov...
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