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All Journal MITRA: Jurnal Pemberdayaan Masyarakat Jurnal Ilmu Pengetahuan dan Teknologi (IPTEK) Jurnal Teknologi Lingkungan
Setiarti Sukotjo
Institut Teknologi Indonesia
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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Optimasi Proses Produksi Tepung Talas (Colocasia esculenta, L. Schott) Termodifikasi Secara Fermentasi Darti Nurani; Setiarti Sukotjo; Intan Nurmalasari
JURNAL ILMU PENGETAHUAN DAN TEKNOLOGI (IPTEK) Vol. 8 No. 1 (2013): Jurnal Ilmu Pengetahuan dan Teknologi (IPTEK)
Publisher : Institut Teknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31543/jii.v8i1.46

Abstract

Tepung talas termodifikasi diharapkan dapat mensubsitusikan tepung terigu untuk industri pangan berbasis tepung. Namun, kondisi proses produksi tepung talas termodifikasi secara fermentasi belum diketahui. Penelitian ini bertujuan menentukan metode dan waktu fermentasi yang optimal untuk memproduksi tepung talas termodifikasi. Rancangan penelitian ini adalah Rancangan Acak Lengkap (RAL), pola faktorial 2 X 5, terdiri atas dua faktor yaitu metode fermentasi dan waktu fermentasi, dengan 3 kali ulangan. Faktor metode fermentasi terdiri atas dua taraf, yaitu fermentasi spontan dan fermentasi menggunakan kultur murni Lactobacillus plantarum, IS-20506 10%. Faktor waktu fermentasi terdiri atas 5 taraf, yaitu 0 jam, 12 jam, 24 jam, 48 jam, dan 72 jam. Analisis yang dilakukan meliputi analisis total Bakteri Asam Laktat dan nilai pH cairan rendaman talas pada jam ke 0, 12, 24, 48 dan 72 fermentasi. Disamping itu dilakukan pula analisis kadar pati, kadar serat kasar, kadar air dan pengukuran viskositas tepung talas termodifikasi yang dihasilkan pada fermentasi jam ke 0, 12, 24, 48 dan 72. Berdasarkan hasil penelitian, diperoleh bahwa kondisi proses fermentasi yang optimal untuk memproduksi tepung talas termodifikasi adalah fermentasi menggunakan kultur murni Lactobacillus plantarum, IS-20506 selama 48 jam. Produk tepung talas termodifikasi yang dihasilkan memiliki kadar pati sebesar 73,81%, kadar serat kasar sebesar 2,36%, kadar air 13,11% dan viskositas sebesar 570 cP.Kata kunci: tepung talas termodifikasi, optimasi fermentasi, Lactobacillus plantarum, IS-20506
The Production of Roasted Peanuts Using the Semi-Mechanical Roaster in Keranggan Village Shinta Leonita; Abu Amar; Setiarti Sukotjo; Heru Irianto
MITRA: Jurnal Pemberdayaan Masyarakat Vol 6 No 1 (2022): MITRA: Jurnal Pemberdayaan Masyarakat
Publisher : Institute for Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/mitra.v6i1.3049

Abstract

Roasted peanuts typically have a unique taste with a distinctive roasted aroma and a savory flavor different from peanuts processed using an oven. To make roasted peanuts, two critical stages should be observed: the sanitation during washing and the roasting technology. The current study focuses on the application of roasting technology in the production of roasted peanuts among the households in Keranggan Village, Setu District, South Tangerang City. It was an issue that the household scale manufacturing of roasted peanuts there did not meet the standard process, relying on manpower to monitor when the roasting process should end even though fatigued workers may produce burnt peanuts up to 19%. Therefore, to reduce the percentage of burnt peanuts, a semi-mechanical roasted fryer was developed for the roasted peanut entrepreneurs in Keranggan Village, Setu District, South Tangerang City. The research team conducted socialization of effective roasting technology, provided assistance, and delivered the semi-mechanical roasters to the community. The team also performed a direct test on the semi-mechanical roaster at both the Indonesian Institute of Technology laboratory and Keranggan Village, in addition to providing assistance on how to use the tool. The semi-mechanical roaster itself is made of stainless steel with a diameter of 100 cm, equipped with a stirrer powered by an electric motor capable of roasting automatically within a certain time limit. This will produce a homogeneous heat transfer with the sand media, which is not changed in line with the original roasting method. The lab and field trials showed that the burnt yield decreased to 5%. Furthermore, when compared to those produced through manual roasting, the sensory test of the products, showed results that were not significantly different even with a sensory value of appearance (i.e., the color) higher than that of manual roasting.
Evaluation of the Biophysical and Chemical Conditions of the Aquatic Environment During the Rainy Season to Mitigate the Ecological Disaster of Ciguatera Fish Poisoning (CFP) and Harmful Algal Bloom (HABs) in the Gili Matra Marine Tourism Park-Lombok: Evaluasi Kondisi Biofisikakimia Lingkungan Perairan Pada Musim Hujan Untuk Mitigasi Bencana Ekologi Ciguatera Fish Poisoning (CFP) dan Marak Alga Berbahaya (MAB) di Taman Wisata Perairan Gili Matra-Lombok Sachoemar, Suhendar Indrakusmaya; Rachman, Arief; Aliah, Ratu Siti; Megawati, Novi; Romadhona, Ekky Ilham; Meirinawati, Hanny; Prayogo, Teguh; Dewa, Riardi Pratista; Zamroni, Yuliadi; Ahyadi, Hilman; Fitriya, Nurul; Hamzah, Faisal; Garno, Yudhi Soetrisno; Susanto, Joko Prayitno; Riyadi, Agung; Haryanti; Ihsan, Iif Miftahul; Setiarti Sukotjo; Iskandar; Leonita, Shinta; Diswandi; Rahman; Muhami; Makosim, Syahril
Jurnal Teknologi Lingkungan Vol. 26 No. 2 (2025)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2025.7213

Abstract

Abstrak Ciguatera Fish Poisoning (CFP) dan fenomena Marak Alga Berbahaya (MAB) yang disebabkan oleh dinoflagellata bentik beracun merupakan salah satu bencana ekologi atau lingkungan yang dapat mengancam kesehatan manusia di kawasan pesisir Indonesia, seperti di kawasan Taman Wisata Perairan (TWP) Gili Matra yang terdiri dari 3 pulau yaitu Gili Meno, Air, dan Trawangan. TWP Gili Matra merupakan pusat wisata bahari dan kawasan konservasi laut di kawasan Nusa Tenggara Barat yang diketahui mengalami tekanan akibat aktivitas manusia dari kegiatan pariwisata dan perikanan yang berdampak negatif kepada ekosistem pesisir, terutama terumbu karang. Kondisi tersebut dapat meningkatkan kelimpahan komunitas dinoflagellata bentik beracun yang berpotensi menyebabkan terjadinya CFP dan MAB di TWP Gili Matra. Untuk itu diperlukan upaya mitigasinya agar risiko bencana ekologi CFP dan MAB dikemudian hari yang selain dapat menyebabkan terjadinya kerusakan ekosistem perairan TWP Gili Matra, tetapi juga kerugian ekonomi yang cukup besar, tidak terjadi. Menurut perhitungan ekonomi para ahli, nilai ekonomi kegiatan pariwisata di TWP Gili Matra, mencapai 26,86 triliun rupiah per tahun.  Salah satu upaya mitigasi bencana ekologi CFP dan MAB adalah dengan mengetahui kondisi lingkungan perairan di TWP Gili Matra pada musim hujan. Berdasarkan hasil survei diketahui kondisi biofisikakimia lingkungan perairan pada musim hujan bulan Desember 2022 dan Maret 2024 dalam keadaan yang sangat baik dengan tingkat eutrofikasi sebagai indikator kualitas lingkungan perairan pada tingkat ultraoligotrofik dengan nilai skor TSI (Trophic State Index) 12,9-19,4 (<30) yang mengindikasikan bahwa kesuburan perairan sangat rendah, air jernih, konsentrasi oksigen terlarut tinggi sepanjang tahun dan mencapai zona hipolimnion.   Abstract Ciguatera Fish Poisoning (CFP) and the phenomenon of Harmful Algal Bloom (HABs) caused by toxic benthic dinoflagellates are one of the ecological or environmental disasters that can threaten human health in coastal areas of Indonesia, such as in the Gili Matra Aquatic Tourism Park (ATP) area which consists of three islands, namely Gili Meno, Air, and Trawangan. ATP Gili Matra is a center for marine tourism and conservation areas in the West Nusa Tenggara region which is known to be under pressure due to human activities from tourism and fisheries activities that have a negative impact on coastal ecosystems, especially coral reefs. This condition can increase the abundance of toxic benthic dinoflagellate communities that have the potential to cause CFP and HABs in ATP Gili Matra. For this reason, mitigation efforts are needed so the risk of CFP and HABs ecological disasters in the future which can not only cause damage to the ATP Gili Matra aquatic ecosystem, but also significant economic losses, does not occur. According to economic calculations by experts, the economic value of tourism activities in ATP Gili Matra reaches IDR 26.86 trillion per year. One of the efforts to mitigate the ecological disaster of CFP and HABs is to understand the condition of the aquatic environment in ATP Gili Matra during the rainy season. Based on the survey results, it is known that the biophysical and chemical conditions of the aquatic environment during the rainy season in December 2022 and March 2024 are in very good condition with the level of eutrophication as an indicator of the quality of the aquatic environment at the ultraoligotrophic level with a TSI (Trophic State Index) score of 12.9-19.4 (<30) which indicates that water fertility is very low, the water is clear, the concentration of dissolved oxygen is high throughout the year and reaches the hypolimnion zone.
Co-Authors Abu Amar Agung Riyadi Arief Rachman DARTI NURANI Diswandi Faisal Hamzah Garno, Yudhi Soetrisno Haryanti Heru Irianto Hilman Ahyadi Ihsan, Iif Miftahul Intan Nurmalasari ISKANDAR Joko Prayitno Susanto Makosim, Syahril Megawati, Novi Meirinawati, Hanny Muhami Nurul Fitriya Rahman Ratu Siti Aliah Riardi Pratista Dewa, Riardi Pratista Romadhona, Ekky Ilham Sachoemar, Suhendar Indrakusmaya Shinta Leonita Teguh Prayogo Yuliadi Zamroni