A. Mohd Zulkhairi, M. N. Siti Aisyah, M. Razali, G. Nur Syafini, M. B. Umikalsum, A. Aimi Athirah, M. Y. Nur Daliana & H. Rosali·Asian Journal of Applied Chemistry Research·2021
Aims: To investigate the antioxidant activities, total phenolic and oxalate contents in two varieties of eggplant (Solanum melongena) (terung telunjuk (TT) and terung rapuh (TR)) at different maturity stages. Study design: Each sample was extracted three times (n=3) for the antio...
Open access
Research Article10.9734/ajacr/2021/v8i430198
In this study, the effects of increasing sonication time (60 min, 120 and 150 min), increasing temperatures (25oC, 30oC and 60oC), different Dissolved Oxygen (DO) concentrations (2 mg/l, 4 mg/l, 6 and 10 mg/l), different N2(g) sparging (15 and 30 min) and H2O2 concentrations (100...
Open access
Research Article10.9734/ajacr/2021/v8i430197
The PZC is essential parameter for the characterization of certain materials used for the treatment of organic or inorganic wastes in the environment, particularly from waste water and industrial sludge. Potentiometric titration and batch experimentation method was used to determ...
Open access
Research Article10.9734/ajacr/2021/v8i430196
The objective of the study was the treatment of the pollutants (dissolved chemical oxygen demand (CODdis), total organic carbon (TOC) and total and individual polycyclic aromatic hydrocarbons (PAH)) present in the petrochemical industry wastewater (PCI) by sonication. The effects...
Open access
Research Article10.9734/ajacr/2021/v8i330195
This work investigates the concentration of some trace elements in freshwater microalgae ( Chlorella vulgaris and Spirulina platensis) through total reflection x-ray fluorescence spectroscopy (TXRF). Slurry samples were prepared from 3.4 ± 0.5 to 9.8 ± 0.5 mg of freeze-dried alga...
Open access
Research Article10.9734/ajacr/2021/v8i330194
Aim: To perform phytochemical screening of Plumbago zeylanica L. root extracts and assess the claim of its use in traditional management of erectile dysfunction in Uganda through evaluation of the aphrodisiac effect of its aqueous extracts in male Wistar rats. Study Design: This...
Open access
Research Article10.9734/ajacr/2021/v8i330193
The objective of the present work is to synthesize and characterizethe production of biodiesel from palm oil. Acid activated heterogeneous catalyst was used in the synthesis process. The clay was characterized using SEM. The effect of process variables such as reaction temperatur...
Open access
Research Article10.9734/ajacr/2021/v8i330192
Some heavy metals have bio-importance as trace elements but the biotoxic effects of many of them in human biochemistry are of great concern. Hence, there is a need for proper understanding of mechanism involved, such as the concentrations and oxidation states, which make them har...
Open access
Research Article10.9734/ajacr/2021/v8i330191
The purpose of this study was to figure out catfish meat's chemical composition, mineral content, amino acid composition, and fatty acid profile. Moisture, protein, lipid, and ash content were measured at 71.30%, 19.03%, 8.10%, and 1.5%, respectively. Catfish meat had higher leve...
Open access
Research Article10.9734/ajacr/2021/v8i230190
Aim: The work mainly focuses on developing a robust UV-Visible spectroscopic method for qualitative and quantitative analysis of thymoquinone and this will open to many possibilities in exploiting the wonders of this bioactive molecule. Study Design: UV-vis Spectrophotometric me...
Open access
Research Article10.9734/ajacr/2021/v8i230189