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All Journal Journal of Degraded and Mining Lands Management Jurnal Keteknikan Pertanian Tropis dan Biosistem PROFIT : Jurnal Administrasi Bisnis Nurani: Jurnal Kajian Syariah dan Masyarakat Jurnal Penelitian Pertanian Terapan Paediatrica Indonesiana Sawala : Jurnal Administrasi Negara Jurnal Teknologi & Industri Hasil Pertanian JURNAL PENDIDIKAN TAMBUSAI Journal of Public Administration Studies Journal of English Education, Linguistic and Literature Journal of Tropical AgriFood JURNAL PENDIDIKAN SAINS SOSIAL DAN AGAMA El-kahfi : Journal of Islamic economics Oikonomia: Jurnal Manajemen Jurnal Bio-Geo Material Dan Energi Law Development Journal Journal of Oral Health Care Gemakes: Jurnal Pengabdian Kepada Masyarakat Journal of Agricultural and Biosystem Engineering Research Jurnal Hukum dan Peradilan Al-Istinbath: Jurnal Hukum Islam Moneter : Jurnal Keuangan dan Perbankan JURNAL BIOLOGI PAPUA Indonesian Journal of Advanced Research (IJAR) Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Al-Intaj : Jurnal Ekonomi dan Perbankan Syariah Jurnal Agroindustri Berkelanjutan Jurnal Akuntansi Kontemporer BAABU AL-ILMI: Ekonomi dan Perbankan Syariah
Suharyono Suharyono
Universitas Nasional
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Evaluation of production efficiency and waste management in the Pak Imam tofu and tempeh industry using cleaner production methods Mujayyanah, Zuhrotul; Suroso, Erdi; Utomo, Tanto Pratondo; Suharyono, Suharyono; Hidayati, Sri; Nurmaisari, Melda
Journal of Tropical AgriFood Volume 8 Nomor 1 Tahun 2026
Publisher : Department of Agricultural Products Technology, Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jtaf.8.1.2026.23223.85-94

Abstract

The Imam's tofu and tempeh industry in Central Lampung Regency produces two main types of products: tofu and tempeh. Additionally, the industry processes tofu dregs into a third product, gembus tempeh. This study aimed to identify the production performance and waste management of Imam's tofu and tempeh industry using the quick scan method. The data used are in the form of primary data and secondary data. The data obtained are presented in the form of mass balances and graphs. The research results show that improvements need to be made in the aspects of technology, management, production processes, and waste management. Water consumption in the Pak Imam industry is still relatively high, that is, 2,251.68 liters per day. This has an impact on the high volume of waste produced, which is 2,119.98 liters per day. Potential waste that has not been optimally utilized is found in the crushing stage (tempeh production) and extraction stage (tofu production). It is necessary to carry out maintenance on waste storage ponds due to silting. In addition, there are problems with the cleanliness of the place and equipment, so that the resulting product is less hygienic.
Optimization of Fermentation Time and Ghalkoff Microbial Concentration on Organic Robusta Coffee Ika Putri Sulistiana; Suharyono, Suharyono; Subeki, Subeki; Medina Alia Rahmawati; Suci Putri Ramadani; Pratami, Tesy
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 2 (2026): Journal of Bio-Geo Material and Energy (BiGME), April 2026
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/j-bigme.v6i2.54165

Abstract

This study aimed to optimize fermentation time and Ghalkoff microbial concentration on the chemical and microbiological characteristics of organic Robusta coffee as an alternative to civet coffee. The method used was Response Surface Methodology (RSM) with a two-factor Central Composite Design (CCD), consisting of fermentation time (24, 48, 72 hours) and Ghalkoff microbial concentration (20%, 25%, 30% w/v). Parameters analyzed included caffeine content, chlorogenic acid content, total microbial count, and sensory evaluation (cupping test). The results showed that optimal conditions were achieved at a fermentation time of 72 hours and a microbial concentration of 30% (w/v), yielding the lowest caffeine content of 1.55%, the highest chlorogenic acid content of 6.81%, and a cupping score of 84, closely approaching that of commercial civet coffee (85). The caffeine content obtained meets the SNI 01-3542-2004 requirements for ground coffee quality grades I and II. Fermentation using Ghalkoff microbes was proven effective in improving the chemical and sensory characteristics of organic Robusta coffee and has potential as a more ethical and sustainable alternative to civet coffee production.
Co-Authors Afifah, Nida Rafa Agus Iwan Kesuma Ahmad Ridwansah, Asep Ahmad Sapta Zuidar Almujadi, Almujadi Anas Miftah Fauzi Andriani Kusumawati Any Riswati Any Urwatul Wusko Ardiansyah, Hamdan Baehaqi Citra, Meitriliana DEWI SARTIKA DEWI SARTIKA Djamhur Hamid Dwi Koerniawati Dyah Koesoemawardani Edy Yulianto Eeng Juli Efrianto Elman Johari Erdi Suroso Farida Akbarina Fatihul Islam, Aang Fatikhaturrohmah, Fatikhaturrohmah Fibra Nurainy Gunawan, Nanang H, Muhammad Nurreza Nurreza Habsyi, Taber Al Haryani, Wiworo Herdiana, Novita Husada, Muhamad Hadid Imam Fauzi Surahmat Imam Suyadi Inggrid Sinaga Irdika Mansur Is, Muhamad Sadi Islam, Aang Fatihul Kartika Rachma Khalisah Hayatuddin Khongrat, Etty Kidnem, Dara Mutiara Mylan Kurniasari, Putri Kurniasari Kurniawan, Yuda Septian Ledy Setiawati Lusy Deasyana Rahmadevita Maharanie, Regina Putri Maria Erna Kustyawati Medina Alia Rahmawati Melvina Putri, Maulida Muhammad Azmi, Muhammad Mujayyanah, Zuhrotul Murhadi , Murhadi Murhadi Murhadi Novita, Dwi Nurmaisari, Melda Otik Nawansih Pakpahan, Marisi Pangestuti, Edriana Pardi, Abisar Ramadani, Suci Putri Ranti, Benny Rena Feri Wijayanti RIBUT SUGIHARTO Rosi Anjarwati Safitri, Melda Samsul Rizal Saputri, Restin Ananda Sar’an, Mohamad Sastiani, Eka Z. Septiany, Annisa Muthiah Siregar, Afrila Mulyati Siregar Siti Nurdjanah Sobandi, Sobandi Sri Hidayati Sri Setyani Srikandi Kumadji Subeki Subeki Subhan Subhan Suendra, Yeyen Suherman, Trisya Sulistiana, Ika Putri Sunarti Sundari, Sri Surni, Surni Sussi Astuti Sutoyo Sutoyo Suyono Suyono Tambusai, Suci Rizka Khairuna Tanto Pratondo Utomo Tesy Pratami Virhananda, M Rakha Pradipta Wardani, Febri Pramudya Widia Rini Hartari Winata Rizqy Priyani Wisnu Satyajaya Yanto, Syafri Yekti Asmoro Kanthi Yuliana , Neti Yuniarly, Etty Yuniarti, Lani Zainul Arifin Zulferiyenni, Zulferiyenni