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INDONESIA
Indonesian Journal of Green Chemistry
Published by CV. Science Tech Group
ISSN : -     EISSN : 30644720     DOI : 10.69930
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology
The Indonesian Journal of Green Chemistry is a peer-reviewed international journal dedicated to advancing the science and practice of green chemistry. The journal aims to disseminate high quality research that supports the development of sustainable chemical processes and products, minimizing the use of hazardous substances, reducing waste, and promoting energy efficiency. IJGC publishes original research articles, reviews, and short communications addressing challenges and providing solutions in green chemistry. The journal encourages interdisciplinary research and collaboration, especially those that bridge chemistry and environmental science. By publishing with IJGC, authors contribute to a global effort toward a more sustainable future where chemical processes are designed with the health of the planet and its inhabitants in mind.
Arjuna Subject : Teknik Kimia (semua kategori) - Kimia Proses dan Teknologi
Articles 5 Documents
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Search results for , issue "Vol. 2 No. 1 (2025): April" : 5 Documents clear
Physicochemical, Proximate, Heavy Metals and Antimicrobial Assessment of Few Selected Herbal Medicinal Products Consumed in Awka, Anambra State, Southeastern, Nigeria Onyema Agu, Matthew; Dennis Onyema, Anayochukwu; Yakubu, Shedrach; Chibuike Sylvester, Onyima
Indonesian Journal of Green Chemistry Vol. 2 No. 1 (2025): April
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ijgc.v2i1.320

Abstract

Traditional medicine remains the principal approach to healthcare in the third world, but knowledge about preparation methods, toxicological effects, and side effects is lacking. This study evaluates the quality of local herbal medicines in Awka, Anambra State, Southeastern, Nigeria by assessing the proximate composition, physicochemical, heavy metals, and antimicrobial efficacy of a few selected herbal medicines. The physiochemical analysis of herbal drugs revealed high acidity, except for the herbal medicine called ‘Evacuation’. The evaluated Herbal medicines are rich in alkaloids, flavonoids, tannins, phenol, and saponins but poor in protein, resin, steroid, and terpenoid. The concentrations of iron, chromium, and lead exceeded WHO/FAO limits. The Herbal medicines have lower zones of inhibition as compared to the 99 % efficacy inscription on the label. In the case of proximate composition, the herbal medicine ‘Super 7’ contains higher protein, fat, and ash content, while ‘Deep root’ has the highest fiber, ADC has the highest moisture, and Evacuation has the highest carbohydrate. Therefore, from a toxicological point of view, some of these herbal medicines may not be safe for consumption and they may pose health risks ranging from kidney failure, gastrointestinal disorder, dysentery, and cancer of the vital organs of the consumers due to the presence of toxic metals, high acidity, and imbalance in concentrations of the bioactive constituents.
Morphological and Spectroscopic Characterization of Costus afer Ker Gawl. Leaf on Surface Modification with Archachatina marginata Mucus as a Potential Carrier for Anti-diabetic Therapy Matthew Onyema, Agu; Yakubu, Shedrach; Cletus, Ukwubile; Chibuike Sylvester, Onyima; Chibuzor Odidika, Collins; Chinedu Jude, Onwuka
Indonesian Journal of Green Chemistry Vol. 2 No. 1 (2025): April
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ijgc.v2i1.321

Abstract

FTIR and SEM analyses were conducted on Costus afer Methanol leaf extract (CAPExt), Snail mucus (GALSM), and a mixture of extracts to study surface modification of snail mucus. The FTIR of the plant extract and mixed extracts [CAPExt/GALSM] showed strong absorption bands. The absorption bands at 3363.97 – 3363.25, 2854.74 – 2962.74, 1381.08 – 1450.52, 1519.96 – 1558.54, 1651.12 – 1712.85, 1242.20 – 1265.35, and 1033.88 – 1165.04 cm-1 were characteristic absorption peaks of O – H stretching vibrations, C – H deformation, aromatic rings, esters, acetyl groups, and carboxylate groups. SEM images reveal a smooth plant extract surface with a rough area containing bioactive molecules, while snail mucus morphology reveals crystalline cube-shaped molecules. SEM images reveal rocky, swollen, roughened, and bulging CAPExt/GALSM molecules, suggesting a new method for structural development of anti-diabetic drug carriers, potentially releasing plant material intermittently upon absorption.
Comparative Effect of Cattle Rumen Digesta and Poultry Droppings in Bioremediation of Spent Engine Oil-Contaminated Soil Nkereuwem, Michael; Adeleye, Adeniyi; Ijah, Christiana; Tersoo , Paul; Lawan , Usman; Amoo , Afeez; Auwalu , Abubakar
Indonesian Journal of Green Chemistry Vol. 2 No. 1 (2025): April
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ijgc.v2i1.332

Abstract

The study was conducted to compare the bioremediation potentials of two organic wastes (Cattle Rumen Digesta-CRD and Poultry Droppings-PD) in SEO contaminated soil in Dutse, Jigawa State. About 3 kg of soil was contaminated with SEO at 3 levels (0, 100 and 150 mL/pot). After 2 weeks of contamination, CRD and PD were added at 0 and 20 g/pot and thoroughly mixed. It was a 2 x 2 x 3 factorial experiment in completely randomized design replicated thrice. The incubation study lasted for 12 weeks. Data were collected on the Total Petroleum Hydrocarbon (TPH), bacterial and fungal counts of the SEO contaminated soil and analyzed using ANOVA at p<0.05. Results obtained shows that CRD and PD application at 20 g/pot yielded significantly (p<0.05) lower residual TPH contents (375 mg/kg and 704 mg/kg) of the SEO-impacted soil compared to the control. However, the residual TPH content of the contaminated soil obtained from the combination of 20 g/pot CRD with 100 mL/pot SEO was significantly (p<0.05) lower (252 mg/kg) compared to the residual TPH content (641 mg/kg) obtained from the combination of 20 g/pot PD and 100 mL/pot SEO. Interaction of 20 g/pot CRD with 100 mL/pot SEO had higher bacterial and fungal counts (21.03 and 16.80 CFU/g soil) compared to combination of 20 g/pot PD with 100 mL/pot SEO (16.48 and 15.80 CFU/ g soil). Thus, it is concluded that cattle rumen digesta has a higher biodegradation capacity than poultry droppings and was more effective in the bioremediation of SEO contaminated soil.
Physicochemical and Microbiological Assessment of Sachet Water in Dutse Urban, Nigeria Amoo, Afeez Oladeji; Asaju , Catherine Iyabode; Garba , Najib; Adeleye , Adeniyi Olarewaju; Amoo , Florence Kemi; Adeniyi , Kamoru Abdulazeez; Amoo , Nureni Babatunde; Gebbe , Habibu Musa
Indonesian Journal of Green Chemistry Vol. 2 No. 1 (2025): April
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ijgc.v2i1.340

Abstract

The rapid increase in population has greatly intensified the requirement for safe and clean drinking water, giving rise to the widespread use of packaged sachet water, commonly known as “pure water” in Nigeria. However, issues concerning improper handling during production, distribution, and storage raise questions regarding possible contamination. This research analyzes the physicochemical and microbiological quality of sachet water in Dutse Metropolis, Nigeria, bears rising concerns over water safety and public health. Thirty (30) sachet water samples from ten popular brands were collected and analyzed for pH, turbidity, electrical conductivity (EC), total dissolved solids (TDS), total hardness, nitrite, chloride, and calcium concentration. All results showed that physicochemical parameters were within the limits set by the World Health Organization (WHO) and National Standard for Drinking Water Quality (NSDWQ). As noted, pH value was between 6.81 and 7.41, while turbidity was under the WHO suggested maximum of 5 NTU. Microbiological examination indicated the complete absence of total coliforms, Escherichia coli, and total bacterial count which shows good purification methods were applied. However, lack of heavy metal analysis poses a risk due to possible pollution from industrial effluents and agricultural runoff. The study still highlights the need for persistent surveillance and peri-regulation to warrant the safety of sachet water, primarily in metropolitan areas where the public water supply is deficient, while region possesses some encouraging findings. The results aim to assist stakeholders in evaluation assessment of sachet water while emphasizing the dire need to safeguard public health and safety.
A Review on Carbon Materials Derived from Biomass Pyrolysis for Supercapacitor Applications Hamid, Fitri Handayani; Yunita, Kurnia Sri; Mashuni, Mashuni; Jahiding, M; Hasan , Erzam S
Indonesian Journal of Green Chemistry Vol. 2 No. 1 (2025): April
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ijgc.v2i1.356

Abstract

Carbon-based materials are solid carbon enriched with carbon, produced through thermochemical processes such as pyrolysis. However, unmodified and unactivated carbon materials obtained from low-temperature pyrolysis of biomass show poor performance in energy storage applications due to their unsuitable physicochemical and electrical properties, such as low surface area, inadequate pore structure, and low density and conductivity. To improve the properties of carbon, surface modification and activation are applied to enhance carbon's surface features and structure, resulting in better electrochemical performance. Various activation methods are used to modify the surface properties of carbon, making it more suitable for supercapacitor applications. This review provides a comprehensive overview of carbon activation techniques, focusing on their effects on physicochemical and electrical properties and their potential use as supercapacitor electrodes. The article also highlights existing research gaps and suggests directions for future development.

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