Natural compounds are considered treasures in biotechnology; however, the past, process of discovering bioactive is time consuming, and purification validation biofunctions biochemistry isolated from a medicinal herb tedious tasks. In this study, we developed an economical called biotransformation-guided (BGP), which applied to analyze licorice, traditional Chinese medicine widely used many the...

Biotransformation of exogenous substrates quercetin, kaempferol and apigenin by suspension cultures Astragalus vesicarius ssp. carniolicus to their monoglycosylated derivatives was performed. The maximal enzymatic potential cells A. evaluated different concentrations substrate exposure. According quantitative ultra-high performance liquid chromatography-high resolution electrospray ionization m...

In this study, three semisynthetic betulonic acid-based compounds, 20(29)-dihydrolup-2-en[2,3-d]isoxazol-28-oic acid, 1-betulonoylpyrrolidine, and lupa-2,20(29)-dieno[2,3-b]pyrazin-28-oic acid, were studied in biotransformation experiments using Nicotiana tabacum and Catharanthus roseus cell suspension cultures. Biotransformation was performed using cyclodextrin to aid dissolving poorly water-s...

we present a case of allergic fungal sinusitis (afb) in a 20-year old man with few months' history of bilateral nasal obstruction and discharge with unilateral proptosis that underwent maxillary antrostomy due to the mass in paranasal sinuses. histological examination of tissue showed branching fungal hyphae interspersed with allergic mucin without fungal invasion to soft tissue. the patient re...

Estrogens are important environmental contaminants that disrupt endocrine systems and feminize male fish. We investigated the potential for anaerobic biodegradation of the estrogens 17-alpha-ethynylestradiol (EE2) and 17-beta-estradiol (E2) in order to understand their fate in aquatic and terrestrial environments. Cultures were established using lake water and sediment under methanogenic, sulfa...

BACKGROUND The process of industrial xylitol production is a massive source of organic pollutants, such as waste xylose mother liquor (WXML), a viscous reddish-brown liquid. Currently, WXML is difficult to reuse due to its miscellaneous low-cost sugars, high content of inhibitors and complex composition. WXML, as an organic pollutant of hemicellulosic hydrolysates, accumulates and has become an...

Microbial biotransformations constitute an important alternative as models for drug metabolism study in mammalians and have been used for the industrial synthesis of chemicals with pharmaceutical purposes. Several microorganisms with unique biotransformation ability have been found by intensive screening and put in commercial applications. Ten isolates of Beauveria sp genus filamentous fungi, i...

In order to cope with the presence of unfavorable compounds, plants can biotransform xenobiotics, translocate both parent compounds and metabolites, perform compartmentation segregation at cellular or tissue level. Such a scenario also applies mycotoxins, fungal secondary metabolites pre-eminent role in plant infection. this work, we aimed describe effect interplay between Zea mays (maize) afla...

The synthesis of nanoparticles silica oxide from rice husk, sugar cane bagasse and coffee husk, by employing vermicompost with annelids (Eisenia foetida) is reported. The product (humus) is calcinated and extracted to recover the crystalline nanoparticles. X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM) and dynamic light ...

The production and storage of explosives has resulted in the environmental accumulation of 2,4,6-trinitrotoluene (TNT). The biotransformation products of the nitroaromatic compound TNT and metabolites in mammalian cells in culture and their cytotoxicity are studied. We report after our analysis by reverse phase high performance liquid chromatography (HPLC) that the most prevalent biotransformat...