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All Journal Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Community Empowerment
Azra, Wafa Nida Faida
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Agriculture, Biological Sciences & Forestry Arts Humanities Education Engineering Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences

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The effect of NaOH concentration and seagrass (Syringodium isoetifolium) extract concentration on the characteristics and antioxidant activity of solid soap Susilo, Bambang; Putri, Salsabilla Kirana; Zalyanti, Nadisa Indra; Azra, Wafa Nida Faida; Rohim, Abd.
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 8, No 4 (2025)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2025.008.04.7

Abstract

Seagrass (Syringodium isoetifolium) is a marine plant commonly found in Indonesian waters, known to contain bioactive compounds such as antioxidants, anti-inflammatory agents, and antibacterials. This potential makes seagrass a natural ingredient that can be utilized in developing skincare products, one of which is solid soap. This study aims to determine the effect of varying concentrations of NaOH and seagrass extract on the physical characteristics and antioxidant activity of solid soap. The seagrass extraction process was carried out using the ultrasound-assisted extraction (UAE) probe method with 50% ethanol as the solvent. Solid soap was formulated with variations in NaOH concentration (20%, 30%, and 40%) and seagrass extract concentration (0%, 5%, 7.5%, and 10%). Soap quality tests included measurements of moisture content, pH, and foam stability, while antioxidant activity was tested using the DPPH method to determine the IC50 value. The results showed that increasing the NaOH concentration and seagrass extract level tended to increase the moisture content and pH of the soap. The highest foam stability was obtained in soap with 20% NaOH and 10% extract, although the differences were not statistically significant. Antioxidant activity increased with the addition of seagrass extract, with the best result found in soap with 30% NaOH and 10% extract, which had an IC50 value of 1470.90 ppm. The solid soap produced met the solid soap quality standards according to SNI 3532:2021.
Downstreaming of vacuum frying technology and quality standardization: Accelerating the competitiveness of horticultural products in the Sumberberas Farmers Group Susilo, Bambang; Suhartini, Sri; Oktavianty, Okke; Perianti, Desi Dewi; Kette, Arlindo Umbu Saki; Rohim, Abd.; Azra, Wafa Nida Faida; Samudra, Rizki Putra; Islamiya, S.; Anarizkia, Vian Medika; Wahyudi, Andreas Farhan; Kiswahati, Arum; Tsabita, Az Zahra Amalia; Lukas, Maria Angeline Viola; Sipayung, Ferdy Mandes; Rafi, Muhammad Rezaul
Community Empowerment Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.14804

Abstract

Sumberkencono Village possesses significant horticultural potential, yet post-harvest limitations hinder its economic optimization. This program aims to empower the Sumberberas Farmer Group through the integration of vacuum frying technology, quality standardization (GMP), and business legality (NIB and P-IRT). The methodology followed a participatory technology transfer approach, including intensive production mentoring and digital marketing optimization. Results demonstrated a significant improvement in product quality, characterized by better texture and oil-content stability, alongside the successful formalization of business legality. The integration of Shopee and TikTok Shop as marketing channels further expanded the group's reach into the digital retail landscape. This initiative proves that the synergy between post-harvest engineering and administrative compliance is crucial for transforming traditional farmer groups into competitive agro-industrial units.
Co-Authors Anarizkia, Vian Medika Bambang Susilo Islamiya, S. Kette, Arlindo Umbu Saki Kiswahati, Arum Lukas, Maria Angeline Viola Oktavianty, Okke Perianti, Desi Dewi Putri, Salsabilla Kirana Rafi, Muhammad Rezaul Rohim, Abd. Samudra, Rizki Putra Sipayung, Ferdy Mandes Sri Suhartini Tsabita, Az Zahra Amalia Wahyudi, Andreas Farhan Zalyanti, Nadisa Indra