Results 21 to 30 of about 54,809 (167)

Chemical Compositions, Chromatographic Fingerprints and Antioxidant Activities of Andrographis Herba

open access: yesMolecules, 2014
This paper describes the development of an HPLC-UV-MS method for quantitative determination of andrographolide and dehydroandrographolide in Andrographis Herba and establishment of its chromatographic fingerprint.
Yang Zhao   +5 more
doaj   +1 more source

Extractive desulfurization using piperidinium based ionic liquids with Lewis acids

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2021
This work includes the preparation of ionic liquid 1,4-dimethylpiperidinium iodide [MMPip]I and its salts with ferric chloride as Lewis acid in different molar proportions [MMPip]I/nFeCl3 (n=1,2,3).
Assim A. SABAH
doaj   +1 more source

Bioactive compounds and antioxidant activities of two industrial beers produced in Ivory Coast

open access: yesHeliyon, 2023
Beer is a world-famous beverage that is universally popular. This might be as an effect of its sensory, nutritional, and therapeutic qualities. To date, in Côte d’Ivoire, no study has been carried out focused on the eventual health benefits of industrial
Wahauwouélé Hermann Coulibaly   +3 more
doaj   +1 more source

Kaolin suspension compound processed by biological flocculant and ferric salt [PDF]

open access: yesAdvances in Engineering Research, 2015
By using kaolin suspension as the research object and the coagulation test as the basis, the optimum dosage and the fractal floc characteristics of high turbidity and low turbidity water processed by the biological flocculant (BFs) and FeCl3 were investigated.
X.R. Jiang, X. Ai, L.N. Zheng, Z. Zhang
openaire   +1 more source

New Phosphate Binding Agents [PDF]

open access: yesJournal of the American Society of Nephrology, 1999
Abstract. Several prior studies suggest that ferric compounds bind dietary phosphate and possess clinical potential as phosphate binding agents. Therefore, this study was conducted to measure the effect of several ferric compounds on intestinal phosphate binding and absorption.
C H, Hsu, S R, Patel, E W, Young
openaire   +2 more sources

Evaluasi Kadar Senyawa Fenolat, Flavonoid Total, serta Aktivitas Antioksidan Secara in vitro dalam Ekstrak Metanol Bawang Dayak (Eleutherine palmifolia (L.) Merr

open access: yesKovalen: Jurnal Riset Kimia, 2022
Dayak onion bulbs are a plant originating from Kalimantan which has been used for generations to treat various diseases. This plant is quite easy to grow and develop in many places in Indonesia.
Farida Laila   +3 more
doaj   +1 more source

Antioxidant and Phytochemical Studies of 31 Cowpeas (Vigna unguiculata (L. Walp.)) Genotypes from Burkina Faso

open access: yesFoods, 2018
Antioxidant compounds of dietary plants have been widely studied because of their bioactive properties. The objective of this research study was to analyse the health enhancing attributes of 31 cowpeas varieties from Burkina Faso.
Pierre Alexandre Eric Djifaby Sombié   +5 more
doaj   +1 more source

Comparison of Phenolic Content and Antioxidant Activity of the Three Date Palm Varieties of Hajmohamadi, Kabkab, and Khasi (Phoenix dactylifera L.) in Different Ripening Stages [PDF]

open access: yesJournal of Kerman University of Medical Sciences, 2014
Background & Aims: Date palm fruit is one of the highly consumed foods with antioxidant compounds and high nutritive value in Iran. In this study, total phenolic compounds and antioxidant capacity of three varieties of date palm (Hajmohamadi, Kabkab, and
Masoud Veissi   +3 more
doaj  

Synthesis and Antimicrobial and Antioxidant Activities of Some New 5-(2-Methyl-1H-indol-3-yl)-1,3,4-oxadiazol-2-amine Derivatives

open access: yesJournal of Chemistry, 2013
A series of 5-(2-methyl-1H-indol-3-yl)-1,3,4-oxadiazol-2-amine derivatives (3–5) were synthesized. These previously unknown compounds were characterized by spectral studies and elemental analysis.
Anand R. Saundane   +2 more
doaj   +1 more source

Synthesis of New 2,5-Di-substituted 1,3,4-Oxadiazoles Bearing 2,6-Di-tert-butylphenol Moieties and Evaluation of Their Antioxidant Activity

open access: yesMolecules, 2014
Eleven new 2,6-di-tert-butyl-4-(5-aryl-1,3,4-oxadiazol-2-yl)phenols 5a–k were synthesized by reacting aryl hydrazides with 3,5-di-tert butyl 4-hydroxybenzoic acid in the presence of phosphorus oxychloride. The resulting compounds were characterized based
Raied M. Shakir   +2 more
doaj   +1 more source

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