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Cahyorini Kusumawardani
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INDONESIA
Indonesian Journal of Chemistry and Environment
Published by Universitas Negeri Yogyakarta
ISSN : -     EISSN : 25993186     DOI : 10.21831
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Materials Science & Nanotechnology
Articles are welcome that deal with theoretical analysis, meta-anaysis reviews, and result of research or empirical studies from all aspect of Chemistry and Environment. Reports on new methodologies and comprehensive assessments of existing ones, as well as applications to new types of problems are especially welcome. Experimental papers are expected to be brought into relation with theory, and theoretical papers should be connected to present or future experiments. Manuscripts that apply routine use or minor extensions or modifications of established and/or published experimental and theoretical methodologies are appropriate if they report novel results for an important problem of high interest and/or if they provide significant new insights.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 6 Documents
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Search results for , issue "Vol. 8 No. 2 (2025): DECEMBER 2025" : 6 Documents clear
ANTIHYPERLIPIDEMIA EFFECT OF SAGA TREE LEAF ETHANOL EXTRACT (Adenanthera pavonina L.) ON MENCIT (Mus musculus) Fernanda, Sofia Ayu; Ngibad, Khoirul
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.85364

Abstract

There is no consensus on the optimal dosage and mechanism of action of saga leaf ethanol extract in lowering cholesterol levels in test animals; therefore, further research is needed to understand the effectiveness and optimal dose of this plant as a hyperlipidemia therapy. This study aims to determine the optimal dose of ethanol extract from the leaves of the saga tree (Adenanthera pavonina L.) in reducing cholesterol levels in hyperlipidemic mice. The study was conducted on 36 male mice that were acclimatized for 7 days and induced hyperlipidemia using Propylthiouracil. The test animals were divided into six treatment groups, including a negative control, a positive control, a drug control (simvastatin), and three treatment groups with extract doses of 14, 28, and 56 mg/20 g body weight (BW). Cholesterol levels were measured using the spectrophotometry method, and the data were analyzed using the ANOVA test. The results of the ANOVA test showed a significance value of 0.000 (p < 0.05), indicating a difference in cholesterol levels between groups. A dose of 56 mg/20 g BW showed the highest reduction in cholesterol levels of 57.87 mg/dL. It was concluded that the ethanol extract of the leaves of the saga tree was effective in reducing the cholesterol levels of hyperlipidemic mice at an optimal dose of 56 mg/20 g BW. These results show the potential of the extract as a natural antihyperlipidemia agent that can be developed into an alternative cholesterol-lowering therapy.
POTENTIAL OF ETHANOL EXTRACT OF TURMERIC LEAVES (Curcuma longa) ON THE REDUCTION OF CHOLESTEROL LEVELS IN MICE (Mus musculus) HYPERCHOLESTEROLEMIA MODEL Kisdiati, Putri Yoggy Mayssa; Ngibad, Khoirul
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.85430

Abstract

Tests on the dosage and effectiveness of turmeric leaf ethanol extract in lowering cholesterol levels in animal models have never been conducted to explore its therapeutic potential. This study aims to determine the effect of turmeric leaf ethanol extract (Curcuma longa) in reducing hypercholesterolemia levels in mice. This study employed an experimental design, dividing 36 mice into six treatment groups. The treatment group consisted of a negative control, a positive control, a drug control, and three doses of turmeric leaf ethanol extract (14 mg/20 g body weight, 28 mg/20 g body weight, and 56 mg/20 g body weight). Cholesterol levels were measured using a spectrophotometer, and the results were analyzed with the ANOVA test. The results showed a significance value of 0.000, indicating a significant difference in the reduction of cholesterol levels between treatment groups (p < 0.05). Turmeric leaf ethanol extract at a dose of 56 mg/20 g body weight resulted in a reduction of 33.6 mg/dL in mouse cholesterol levels, which is higher than that observed with other doses. Turmeric leaf ethanol extract can lower cholesterol levels in mice, with a dose of 56 mg/20 g body weight providing the most significant reduction. This study demonstrates that turmeric leaf ethanol extract has the potential to serve as a natural therapeutic alternative for managing hypercholesterolemia.
The Potential of Riparian Ecosystems for Ecotourism Development in The Ilomata Village Forest Area, Bone Bolango Regency, Gorontalo, Indonesia Putri, Diva M.A. Saghita; Hamidun, Marini Susanti; Baderan, Dewi Wahyuni K.
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.91161

Abstract

This study aimed to analyze the potential and feasibility of ecotourism development within the riparian ecosystem of the Ilomata Village Forest Area, Bone Bolango Regency. A quantitative descriptive method was applied. Data on vegetation and fauna were collected through an exploratory survey conducted along the riparian zone of the Ilomata tourism site. Ecotourism feasibility was assessed using the Evaluation Instrument for Natural Tourism Objects and Attractions (ODO-ODTWA). The results showed that the riparian area hosts 13 plant species, dominated by Piper aduncum, Arenga pinnata Merr., and Ficus septica among the higher plant category, while the lower vegetation layer was dominated by ferns such as Phymatosorus scolopendria, Chromolaena odorata, and Dryopteris filix-mas (L.) Schoot. The fauna identified was predominantly from the Class Insecta, including the butterfly Vindula dejone as the most frequently observed species. The ecotourism feasibility index for the Ilomata riparian ecosystem was recorded at 59.3%, indicating a moderately feasible category. The attraction, environment and community, and management and services components received relatively high scores, whereas accessibility and tourism facilities were rated low. Therefore, improving accessibility and tourism infrastructure is necessary to support the development of sustainable ecotourism in the area.
Coastal Waste Identification as Part of Waste Management Efforts in Dusit Area, Balikpapan, East Kalimantan Willard, Karnila; Oktafiani, Fitri
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.92971

Abstract

Coastal waste pollution remains a critical environmental issue that poses substantial risks to marine ecosystems and nearby communities. This study aims to identify the composition and volume of coastal waste found in the Dusit Beach area and to evaluate potential management strategies that support environmental sustainability and community empowerment. Using a field-based research approach, systematic waste collection was conducted on 18 May 2024, resulting in 27 sacks of waste that were subsequently sorted and analyzed. Plastic waste was identified as the most dominant category by volume, accounting for 48 percent of the total. The 13 sacks of plastic waste collected weighed 129.7 kg. These results indicate inadequate waste management practices and limited public awareness regarding proper waste disposal and segregation. Further analysis reveals that the significant amount of plastic waste presents opportunities to apply the 3R waste management concept (Reduce, Reuse, Recycle). Examples include eco-brick production, craft development, simple construction materials, and community-based waste bank initiatives to generate raw materials for recycling. Community involvement and empowerment in waste management are essential strategies to enhance public participation and generate additional economic value. Overall, the findings emphasize the need for an integrated and community-driven waste management system to reduce coastal pollution and promote sustainable development.
TLC Monitoring on The Auto Reduction-Oxidation Reaction of Benzaldehyde Derivatives in Alcohol-Water as Solvent System Rohmawati, Dini; Handayani, Sri; Budimarwanti, Cornelia; Handayani, Dina Wahyu; Puspitasari, Febrian Ayu; Puspitasari, Kirei Irawanti Muthmainnah
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.93482

Abstract

Autoreduction-oxidation reactions of benzaldehyde derivatives could be done without solvent, solventless, and with solvent conditions. Green solvents are one method to reduce the use of nonenvironmentally friendly solvents by considering their effectiveness in yielding. Benzaldehyde derivatives and NaOH were reacted in comparison of 1 : 1 with various alcohol-aquadest (0%, 20%, 50%, 80%, and 100%) as solvent system. The procedure for this disproportionation reaction is focused on grinding and ultrasonic-assisted methods. Both procedures could be applied under all solvent conditions along with the effective and efficient processes hence it corresponds to the green chemistry principles and sustainable development goals (SDGs). This article discussed the monitoring of product reaction using thin layer chromatography (TLC) techniques to evaluate the procedures of grinding and ultrasonic-assisted on the disproportionation reactions, which later could be used as standard procedures according to green chemistry and sustainable development goals (SDGs).
Analysis of Sayang-Sayang Spring Water Quality Using the Water Quality Index for Evaluation of the Suitability of Clean Water Sources Susane, Hismi; Mulhidin, Mulhidin; Nurhidayah, Nurhidayah; Sholehah, Hijriati
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.94441

Abstract

Clean water plays a crucial role in public health and environmental sustainability, particularly in urban and peri-urban areas that still rely on springs as a water source. The Sayang-Sayang Spring in Mataram City is utilized by the community, but its water quality is potentially affected by anthropogenic activities in the surrounding area. This study aimed to comprehensively evaluate the water quality of Sayang-Sayang Spring using the Water Quality Index (WQI) approach and determine its suitability as a clean water source. Water samples were collected in August 2025 and analyzed for physical, chemical, and biological parameters in accordance with Minister of Health Regulation No. 32 of 2017. The Weighted Water Quality Index (WQI) was calculated by determining parameter weights using the Delphi method. The analysis results showed that most physical and chemical parameters, such as temperature, TSS, TDS, pH, BOD, DO, nitrate, and ammonia, met clean water quality standards. However, COD and total phosphate values ​​exceeded the established threshold, and microbiological parameters showed a total coliform content of 240 MPN/100 mL. A WQI of 90.20 indicates excellent water quality. However, the presence of organic matter, nutrients, and coliforms limits the use of this spring as untreated drinking water. This study confirms the effectiveness of the WQI as a water quality assessment tool and supports the sustainable management of the spring from anthropogenic pressures.

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