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All published articles 1032

Processing Techniques affects the Vitamin Quality of Edible Insects – Potential for Use in Complementary Foods

Virginia Wambui, Hudson Nyambaka, Judith Kimiywe & Chrysantus Tanga · International Research Journal of Pure and Applied Chemistry · 2022

Aims: To assess the vitamin content of locusts, lake flies, grasshoppers, and termites when fresh, sun-dried, oven-dried, and defatted. Study Design:  Whole insect samples were sun-dried and oven-dried. Due to their high-fat content, termites and grasshoppers were subjected to an...

Open access Research Article 10.9734/irjpac/2022/v23i330465

Exploration of Chemical Composition and Unveiling the Phytopharmaceutical Potentials of Essential Oil from Fossilized Resin of Pinus succinefera

Vikas Jha, Mohd Aslam Shaikh, Sakshi Devkar, Reetikesh Patel, Shraddha Walunj, Diksha Rai, Joshua Koli, Vrushali Dhamapurkar, Tisha Jain, Namrata Jadhav, Arpita Marick & Divya Dhopeshwarkar · International Research Journal of Pure and Applied Chemistry · 2022

Background: Most of the plant natural flora contributes significantly to medicinal benefits. To address the shortcoming usage of synthetic drugs, natural products are in demand which offer a broad spectrum of activities with negligible side effects. Pinus succinefera is a fossili...

Open access Research Article 10.9734/irjpac/2022/v23i330464

Valorization of Carapa procera Oil and Evaluation in vitro of Antimalarial Activity of Its Bitter Content

Muyumba Nsomue Joachim, Bolangongo Mpandu Naomie, Mulula Arnold, Mbuyi Katshiatshia Haddy, K. T. Kashishi, Taba Kalulu & Joséphine K. Ntumba · International Research Journal of Pure and Applied Chemistry · 2022

Aims: To extract the bitter content of Carapa procera oil and to evaluate the antimalarial activity of its bitter content. Study Design:  Experimental research. Place and Duration of Study: Department of Chemistry (University of Kinshasa) and National Institute for Biomedical Res...

Open access Research Article 10.9734/irjpac/2022/v23i330462

Risk Assessment of Dichlorodiphenyltrichloroethane Residues in Soil and Rice Samples Harvested in Selected Rice Farms of Benue State, Nigeria

Ogbuagu Josephat Okechukwu & Okeke Abuchi Princewill · International Research Journal of Pure and Applied Chemistry · 2022

This work investigates the level of Dichlorodiphenyltrichloroethane (DDT) residues in soil and rice samples collected from Otukpo farmland area of Benue State. Ten soil samples and five different species of rice samples were collected from the farmlands to determine the concentra...

Open access Research Article 10.9734/irjpac/2022/v23i330461

Levels of Deoxynivalenol and Aflatoxin Mycotoxins in Grains in Some Markets of Makurdi Metropolis, Nigeria

P. A. Adie, J. T. Yande & S. P. Malu · International Research Journal of Pure and Applied Chemistry · 2022

This study aimed to estimate deoxynivalenol (DON) and total aflatoxin in two varieties of millet, sorghum and maize, in some markets of Makurdi metropolis, North-Central, Nigeria using direct competitive Enzyme-linked Immunosorbent Assay (ELISA) method. Moisture content, total ae...

Open access Research Article 10.9734/irjpac/2022/v23i230460

Ecological Risk Link to Trace Metals Levels in Surface Sediments from Fresco Lagoon, Côte d’Ivoire, West Africa

Ouattara Yè Nicaise, TROKOUREY Albert & Tuo Adama Diarrassouba · International Research Journal of Pure and Applied Chemistry · 2022

Sediment contamination with trace metals remains a current problem for aquatic ecosystems management worldwide. Surface sediments from Fresco Lagoon (Côte d'Ivoire) were analyzed to assess the contamination degree of the area. Concentrations of five selected trace metals (Pb, As,...

Open access Research Article 10.9734/irjpac/2022/v23i230459

Determination of Omeprazole, Esomeprazole and Pantoprazole by Quenching the fluorescence of Eosin Y

Ikram K. Othman & Theia’a N. Al-Sabha · International Research Journal of Pure and Applied Chemistry · 2022

A non-extractive, simple and sensitive spectrofluorimetric method with good selectivity has been described for the determination of the proton pump inhibitors namely; Omeprazole, Esomeprazole magnesium and Pantoprazole sodium that are used for the treatment of peptic ulcer diseas...

Open access Research Article 10.9734/irjpac/2022/v23i230458

Comparative Evaluation of Industrial Phosphoric Acids Desulfation Capabilities of Limes and Barium Carbonate

Khouloud Kthiri, Mohamed Mehnaoui, Mustapha Hidouri & Khaled Boughzala · International Research Journal of Pure and Applied Chemistry · 2022

Industrial phosphoric acid is an omnipresent product in the food industry and in the production of fertilisers and detergents. The presence of impurities in the raw material results in a relatively charged acid with various chemical species at the expense of its quality and use....

Open access Research Article 10.9734/irjpac/2022/v23i230457

Capillary Pressure Behavior of CO2 - Shale System at Elevated Temperatures

Abrar Almutairi & Talal Al-Bazali · International Research Journal of Pure and Applied Chemistry · 2022

In this study, changes in capillary entry pressure of shale when interacting with CO2, under different temperatures have been investigated. The combined impact of temperature and petrophysical properties of shale (water content, water activity, permeability and porosity) on capil...

Open access Research Article 10.9734/irjpac/2022/v23i230456

Adsorbents Used for Removal of Mercury from Aqueous Solutions: A Review

Meshari M. Aljohani, Abdullah A. Makki, Adel A. Alqarni, Khalid A. Albalawi, Asim S. Albalawi, Mousa J. Alharbi, Hatem A. Al-Aoh & Syed Khalid Mustafa · International Research Journal of Pure and Applied Chemistry · 2022

A lot of Researchers have addressed removing mercury as a pollutant from the wastewaters of several industries. Heavy metals are being removed from wastewater through adsorption on activated carbon, which is becoming additional popular. Although commercial activated carbon is the...

Open access Research Article 10.9734/irjpac/2022/v23i130455

Theoretical Evaluation of Some Compounds with Antifungal Effect as Corrosion Inhibitors for Copper in Nitric Acid Solution: DFT Calculations

Cissé M’Bouillé, Mougo André Tigori, Mohamadou Lamine Doumbia, Paulin Marius Niamien, Mohamed Ebn Touhami & Mouhcine Sfaira · International Research Journal of Pure and Applied Chemistry · 2022

Quantum chemical calculations based on Density Functional Theory (DFT) at the B3LYP/6-31G (d,p) basis set were used to study the inhibition performance of four antifungal organic molecules in copper corrosion in 1M nitric acid solution. The quantum chemical descriptors analysis s...

Open access Research Article 10.9734/irjpac/2022/v23i130448

Theoretical Study of the Chemical Reactivity of a Series of 2, 3-Dihydro-1H-Perimidine

Nanou Tieba Tuo, Georges Stephane Dembele, Soro Doh, Fandia Konate, Bibata Konate, Charles Guillaume Kodjo & Nahossé Ziao · International Research Journal of Pure and Applied Chemistry · 2022

This reactivity study was performed on seven molecules of a 2,3-dihydro-1H-perimidine series using density functional theory at the B3LYP / 6-311 G (d, p) level. Calculation of the dipole moment showed that compound 4 is more soluble in aqueous medium. The study of frontier molec...

Open access Research Article 10.9734/irjpac/2022/v23i130451

The Mechanism of the Davy Test for Strychnine

Francisco Sánchez-Viesca & Reina Gómez · International Research Journal of Pure and Applied Chemistry · 2022

The chemistry of a spot test for identification of a bioactive compound is important the more if the substance is strychnine. This converts the test in a toxicological assay with forensic application. The Davy test is based on the oxidation of strychnine by means of potassium fer...

Open access Research Article 10.9734/irjpac/2022/v23i130438

Determination of Sulphate Ion Concentration in Some Ground Water in the Cape Coast Metropolitan Area, Central Region, Ghana and Its Effects on Concrete Brick with Admixture of Sawdust Ash

Andy Kofi Agoe, Michael Akrofi Anang & Emmanuel Siaw · International Research Journal of Pure and Applied Chemistry · 2022

The admixture was prepared from Sawdust waste (SDA) and was pyrolysis by placing it in a Nabertherm (SN224350) at a controlled condition. The SDA was characterized using X-ray diffraction technique and applied as an admixture in producing concrete brick with good cementitious pro...

Open access Research Article 10.9734/irjpac/2022/v23i130445

Corn Silk as Biosorbent for Pb, Zn and Cu Removal: Batch and Fixed-bed Column Study

Marija Simić, Jelena Petrović, Tatjana Šoštarić, Marija Mihajlović, Marija Koprivica, Jelena Dimitrijević & Jelena Milojković · International Research Journal of Pure and Applied Chemistry · 2021

In this study, the minimization of heavy metal pollution was investigated. Accordingly, potential of corn silk as biosorbent of Pb, Zn and Cu from multimetal solution was considered in batch and fixed-bed column experiments. Structural changes of corn silk before and after heavy...

Open access Research Article 10.9734/irjpac/2021/v22i1230447