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All Journal International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS)
Fadhel Rizky Suryawan
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Economics, Econometrics & Finance

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UTILIZATION OF GAMBIR PLANT (Uncaria gambir) FOR DIRTY WATER TREATMENT Fadhel Rizky Suryawan; Aulia Aisy Mulyana Pasaribu
International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Vol. 5 No. 5 (2025): October
Publisher : CV. Radja Publika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijebas.v5i5.4172

Abstract

Water pollution is one of the major environmental problems currently faced, primarily due to domestic, agricultural, industrial, and mining waste. To address the predicted clean water crisis in 2045, effective, affordable, and environmentally friendly water treatment innovations are needed. This study aims to explore the potential of the gambir plant (Uncaria gambir) as a natural ingredient for purifying dirty water. Gambir is known to contain active compounds such as tannins, flavonoids, and catechins that have coagulant, antibacterial, and adsorbent properties. The research method used a quantitative and experimental approach, with steps such as extracting gambir leaves, treating dirty water, and observing physical changes in the water. The results showed that within two hours, gambir extract was able to significantly reduce the turbidity, odor, and color of dirty water. The addition of natural filters made from betel and lemon strengthened the final results. The conclusion obtained is that the use of gambir for dirty water treatment shows promising effectiveness and is worthy of being developed as an alternative solution for water resource management in the future.
PROCESSING JACKFRUIT SEED WASTE (Artocarpus heterophyllus lamk) INTO AN ALTERNATIVE FOOD SOURCE FOR TEMPE Fadhel Rizky Suryawan; Zuhra Salsabilla; Azmira Lasari Tanjung; M. Farand Farensyah Garal; Susheila Yuliawati
International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Vol. 5 No. 6 (2025): December
Publisher : CV. Radja Publika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijebas.v5i6.4421

Abstract

This study aims to determine how to process jackfruit seeds (Artocarpus heterophyllus lamk) into a food source of tempeh without using soybeans, and to assess its feasibility as an alternative to soybean tempeh. The background of this study is based on Indonesia's high dependence on soybean imports, which causes the price of tempeh raw materials to increase. Jackfruit seeds were chosen because they have high nutritional content such as carbohydrates, protein, vitamins, and minerals, as well as their abundant availability. Which is suitable as a substitute or alternative to jackfruit seeds. This study used a quantitative research method with an experimental approach through the fermentation process of jackfruit seeds using Rhizopus oligosporus yeast. The results showed that jackfruit seed tempeh has good physical and organoleptic characteristics, with a solid shape, soft but compact texture, grayish white color, slightly sweet savory taste, and a distinctive aroma of tempeh. The fermentation process for two days at room temperature (28–32 °C) resulted in even mycelial growth and optimal fermentation. In terms of nutrition, jackfruit seed tempeh contains quite high protein and fiber so it has the potential to be a nutritious and affordable alternative food. Thus, jackfruit seeds have the potential to be a substitute for soybeans in the production of tempeh, while also supporting food diversification and reducing Indonesia's dependence on soybean imports.
Co-Authors Aulia Aisy Mulyana Pasaribu Azmira Lasari Tanjung M. Farand Farensyah Garal Susheila Yuliawati Zuhra Salsabilla