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All Journal Al-Kimia BUMI: International Journal of Environmental Reviews
Syukrya Ningsih
Department of Chemistry,Faculty of Mathematics and Natural Sciences Padang State University, Jl. Prof. Dr.Hamka Padang 25131
Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Energy Environmental Science

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Physiochemical Characteristic and Antioxidant of Solid Bath Soap Containing Gerga Orange (Citrus nobilis L. var RGL) Peel: The Formula and Anti-oxidant Properties of The Gerga Orange Peel (Citrus nobilis L. var RGL) Extract-containing Organic Soap Noviarni, Intan; Ningsih, Syukrya
Al-Kimia Vol 12 No 1 (2024): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v12i1.43020

Abstract

The study primarily focused on analyzing the prospective utilization of waste biomass, particularly those possessing antioxidant properties, for soap formulation. Antioxidants serve as radical scavengers, protecting against oxidative damage in both soap and human skin. This research aims to assess solid bath soap's efficacy and antioxidant potential when combined with Gerga orange peel (Citrus nobilis L. var RGL) extract. The quality of the bath soap was evaluated based on the Indonesian National Standard (INS) 3532:2021. The antioxidant activity of the soap was determined using the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging technique. The solid bath soap formulations underwent rigorous quality testing, and the findings indicated that they exceeded the standards set by INS 3532:2021 for solid bath soap quality. These formulations demonstrated superior performance in various parameters, including pH levels, moisture content, free fatty acids, free alkali, solubility in alcohol, and foaming capabilities. The antioxidant activity of each soap formulation was quantified by its IC50 value. The results showed that the level of antioxidant activity in the solid bath soap increased proportionally with the quantity of Gerga orange peel extract used. Overall, the findings suggest a favorable potential for utilizing Gerga orange peel extract as a cost-effective and feasible natural antioxidant component in soap production.
An Analysis of Microplastics Contamination on Road Dust Around Jambi's Angso Duo Market Lestari, Sri Indah; Ningsih, Syukrya; Marni, Lidia Gusfi
BUMI: International Journal of Environmental Reviews Vol. 1 No. 02 (2023): BUMI: International Journal of Environmental Reviews
Publisher : UIN Sulthan Thaha Saifuddin Jambi, Pusat Kajian Lingungan Hidup

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/bumi.v1i02.2222

Abstract

Road dust is a prevalent source of microplastics found in the atmosphere. The primary contributors to the presence of microplastics in dust are vehicle traffic, road surfaces, tire erosion, and road paint. The objective of this study is to categorize the various forms of microplastic pollution present in the road dust surrounding the Angso Duo Jambi market. The research employed a random sampling technique, specifically selecting 4 sample location locations. The total aggregation of microplastics amounted to 1.67 grams. Sample B exhibited the highest prevalence of microplastics, with a distribution of 2.78 grams in the vicinity to the right of Jambi's Angso Duo Market. The analysis of microplastics was conducted using a binocular microscope, Fourier Transform Infrared Spectroscopy (FTIR). The microscopic analysis of microplastic reveals the presence of several forms, namely fibres, fragments, and films. The FTIR study results indicate that polyethylene is the prevailing polymer type. The chemical composition and types of microplastic polymers found near the Angso Duo Jambi market, as determined by the results collected, include polyethylene, polypropylene, and polystyrene. The environmental impact of microplastics is intricately linked to the characteristics of the microplastics themselves, including their kind, size, concentration, and duration of exposure. Further investigation is required to examine the enduring consequences of microplastics on the environment, particularly in relation to the contamination of road dust.
Co-Authors Lestari, Sri Indah Marni, Lidia Gusfi Noviarni, Intan