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All Journal Eksakta : Berkala Ilmiah Bidang MIPA Kumawula: Jurnal Pengabdian Kepada Masyarakat
Putri, Alya Adiningtyas
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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PEMBERDAYAAN MASYARAKAT MELALUI PENYULUHAN DAN PEMANFAATAN TEPUNG BUAH MANGROVE API-API (Avicennia marina) MENJADI BROWNIES DI TANJUNG SOLOK Lestari, Emi; Sonia, Sonia; Adriliana, Zairaini; Putri, Alya Adiningtyas; Tarigan, Indra Lasmana
Kumawula: Jurnal Pengabdian Kepada Masyarakat Vol 7, No 3 (2024): Kumawula: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kumawula.v7i3.53129

Abstract

Tanjung Solok, East Tanjung Jabung Regency, Jambi Province is one of the locations where the api-api mangrove (Avicennia marina) can thrive and reproduce. Avicennia marina is a type of mangrove that is included in the major mangrove category, because it is always found in mangrove ecosystems. Avicennia marina fruit can be used as a food ingredient which contains metabolite compounds that are good for the body. The aim of this service is to provide counseling and training on the use of api-api mangrove fruit flour to make brownies to PKK mothers. The method of implementing this activity is in the form of education and counseling, flour making practices, packaging assistance, and entrepreneurship training. The service activities went well, the PKK women participants were enthusiastic and eager to take part. Apart from that, participants also gained increased knowledge in utilizing the potential of local api-api fruit flour resources into nutritious food products.Tanjung Solok, Kabupaten Tanjung Jabung Timur, Provinsi Jambi ialah salah satu lokasi di mana mangrove api-api (Avicennia marina) dapat hidup dan berkembang biak. Avicennia marina merupakan salah satu jenis mangrove yang masuk ke dalam kategori mangrove mayor, karena selalu ditemukan pada ekosistem mangrove. Buah Avicennia marina dapat dimanfaatkan sebagai bahan pangan yang mempunyai kandungan senyawa metabolit yang baik bagi tubuh. Tujuan pengabdian ini memberikan penyuluhan dan pelatihan pemanfaatan tepung buah mangrove api-api menjadi brownies kepada ibu-ibu PKK. Metode pelaksanaan kegiatan ini berupa edukasi dan penyuluhan, praktik pembuatan tepung, pendampingan pengemasan, dan pelatihan wirausaha. Kegiatan pengabdian berjalan dengan baik, peserta ibu-ibu PKK antusias dan semangat untuk mengikuti. Selain itu juga peserta mendapatkan peningkatan pengetahuan dalam memanfaatkan potensi sumber daya lokal tepung buah api-api menjadi produk makanan yang bergizi.
Use of Nanoemulsion-Based Merkubung (Macaranga gigantea) Sap Extract Inhibitor to Improve Corrosion Inhibition Efficiency on Steel Naibaho, Adetra Febriani; Putri, Alya Adiningtyas; Natasya, Dian; Sinaga, Grescia Angelita; Fadillah, Wan Nurul; Gusti, Diah Riski
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 27 No. 02 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol27-iss02/471

Abstract

Corrosion frequently affects steel. Although it is an unavoidable natural process, its progression can be managed and its rate reduced. One strategy for mitigating corrosion is the use of corrosion inhibitors. Inhibitors derived from organic sources are widely employed because of their high inhibition efficiency. Sap extract from Merkubung (Macaranga gigantea) can function as a corrosion inhibitor due to the presence of secondary metabolites such as tannins. Tannins are promising corrosion inhibitors since their –OH groups enable them to form complexes with metal surfaces. This study evaluates the performance of a nanoemulsion containing Merkubung sap extract as a steel corrosion inhibitor. The methodology includes extraction, nanoemulsion formulation, and assessment of corrosion rate and inhibition efficiency at various concentrations and temperatures. In this work, nanoemulsion‑based inhibitors were applied to improve corrosion protection of steel. The nanoemulsion demonstrated the lowest corrosion rate (0.902 mg cm⁻² h⁻¹) and the highest inhibition efficiency (66.05 %) at 500 ppm and 30 °C. These results show that the nanoemulsion enhances inhibition performance, making it an effective corrosion inhibitor.
Co-Authors Adriliana, Zairaini Diah Riski Gusti Emi Lestari Fadillah, Wan Nurul Indra Lasmana Tarigan Naibaho, Adetra Febriani Natasya, Dian Sinaga, Grescia Angelita Sonia Sonia, Sonia