نتایج جستجو برای: aqueous fractions
تعداد نتایج: 137989 فیلتر نتایج به سال:
Soybean insoluble fractions recovered from aqueous extraction processing (AEP) and enzyme-assisted AEP (EAEP) of full-fat soybean flakes (FFSF) and extruded FFSF were evaluated as a feedstock for the production of fermentable sugars using enzymes. Among the four insoluble fractions (AEP FFSF, EAEP FFSF, AEP extruded FFSF and EAEP extruded FFSF), the composition analysis revealed that the one re...
The aim of this study was to evaluate the activity of the ethanolic extract of geopropolis (EEGP) from Melipona scutellaris and its fractions on the modulation of neutrophil migration in the inflammatory process, and the participation of nitric oxide (NO) pathway, as well as to check the chemical profile of the bioactive fraction. EEGP and its aqueous fraction decreased neutrophil migration in ...
A liquid chromatography-diode array detection-electrospray ionization mass spectrometric (HPLC– PDA–ESI/MS/MS) method was used for separation and characterization of the phytoconstituents of the aqueous acetone leaf extract of Eucalyptus camaldulensis Dehnh (Myrtaceae). The employed method was optimized for separation, identification and quantification of fifty six compounds including ellagitan...
Nauclea latifolia is a valuable medicinal plant for treating different ailments. Infectious diseases constitute world health concern. This work describes the phytochemical analysis and antimicrobial properties of root N. latifolia. Collected samples were extracted via cold maceration with methanol. The methanol crude extract was fractionated into n-hexane, ethyl acetate, butanol aqueous fractio...
In this study, n-butanol fraction (KBF) and aqueous fraction (KAF) isolated from methanol extract of Koelreuteria paniculata Laxm. leaves were evaluated for their antioxidant potential using (ABTS) 2, 2-Azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid), DPPH (2,2-diphenyl-2-picrylhydrazyl) assay, Reducing power assay and Superoxide anion radical scavenging assay. These fractions were also studi...
This study evaluated immunomodulatory properties and the sub-acute toxicity profile of two fractions of the aqueous alcoholic extract of the dried calyx of Hibiscus sabdariffa in experimental animals. Immunomodulatory activity was evaluated using red blood cell-induced immunostimulation. The fractions were not found to be toxic after 7-day administration, though there was severe weight loss wit...
in this study a simple and general chemical association theory is introduced. the concept of infinite equilibrium model is re-examined and true mole fractions of associated species are calculated. the theory is applied to derive the distribution function of associated species. as a severe test the application of presented theory to the van der waals mixture model is introduced in order to perfo...
euphorbia wallichii a perennial herb growing mainly in himalayas has been widely used in folk medicines for its medicinal properties. in the present study, the crude methanolic root extract (cme) and its fractions; n-hexane fraction (nhf), n-butanol fraction (nbf), chloroform fraction (chf), ethyl acetate fraction (eaf) and aqueous fraction (aqf) of this plant specie were investigated for antio...
the genus stachys belongs to lamiaceae family with about 300 species and worldwide distribution. in the present study, the cytotoxic activity of four fractions of different satchys species (s. byzatina c. koch., s. inflata benth., s. setifera ten. and s. persica gmel.), has been investigated against ht-29 (colon carcinoma), caco-2 (colorectal adenocarcinoma), t-47d (breast ductal carcinoma) and...
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