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Journal : JOURNAL AGRIBUSINESS

IMPLEMENTATION OF THE SEVEN TOOLS METHOD FOR PRODUCT QUALITY CONTROL: A CASE STUDY AT RUMAH TEMPE INDONESIA Christian Ananda, Samuel; Traya Alfarizi, Muhammad; Angelica Sitorus, Ruth; Khalisah, Ghina; Ikhsan Mubaraq, Muhammad; Apriliani, Fany
AGRIBUSINESS JOURNAL Vol. 19 No. 1 (2025): AGRIBUSINESS JOURNAL
Publisher : Syarif Hidayatullah State Islamic University Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/aj.v19i1.47312

Abstract

This study applied the Seven Quality Control Tools to Soyagreen tempe products produced at Rumah Tempe Indonesia from 14 to 19 April, 2025. Analysis via Check Sheets, Flowcharts, Histograms, Pareto Diagrams, Control Charts, Scatter Plots, and Fishbone Diagrams revealed a 12.19% defect rate out of a total production of 1,091 units, consisting of 96% under-fermentation and 4% spoilage. Regression analysis found that each 1 °C increase in fermentation temperature led to an average of 7.57 additional defects. To address these findings, we recommend implementing a preventive-maintenance schedule daily calibration and cleaning of sensors, weekly deep-cleans of fermenter piping and external surface, monthly replacement of gaskets and seals, and quarterly servicing of heating and humidification components. This should be complemented by automated temperature-humidity controls, standardized standard operating procedures (SOP), operator training, and regular Seven Tools audits.
Co-Authors Adinda Norma Cahya Ningrum Adisty, Revinia Agung Prayudha Hidayat Aisara, Dhea Laita Alifka, Khairunniza Putri Alivia Putri Ramadhani Alyana Mevia Zahra Ananda, Muhammad Rizky Angelica Sitorus, Ruth Anggraeni, Henny Endah Anggraeni, Kartika Novira Annisa Kartinawati Aulia Nursyifa Setiawan Azahra, Sabilinnisa Azhari, Anisa Nur Bagus Sartono Christian Ananda, Samuel Dardanella, Derry Decency, Hanina Anggisya Dhea Laita Aisara Diki Ripandi Doni Yusri Emia Rehulina BR Bangun Faisal Faisal Fakhri Refno Habibie Farhan, Edrian Arizal Faryal Virgiana Cikal Rukmana Fathimah, Muthia Zahira Fathira, Nur Hikmah Fitriani, Novi Fuadi, Agus Gracesella Ananda Habibie, Fakhri Refno Hanakayda Khairunnisa Hany Handayani Hardiana Widyastuti Hawina Siti Alanasry Hendri Wijaya, Hendri Ika Resmeiliana Ikhsan Mubaraq, Muhammad Indrawan, Purana Jasmina Atria Zulkhulaifah Khalisah, Ghina Khasanah, Zuhrotul Lasma Rintan Antonia Pasaribu Lucky Safitri Muhammad Arsil Adhim Muhammad Iqbal Muhammad Iqbal Musthafa, Hafiz Syaikhul Nabil Bayyinah, Aulia Nabila, Citra Ningrum, Adinda Norma Cahya Nisa, Natasya Khairun Novia Rahmawati Nur Azizah Oppy Rahmi Fazri Pamungkas, Genta Yoga Pangestu, Fattah Jati Paramitadevi, Yudith Vega Permatasari, Maulina Dyah Praja, Muhammad Dzikra Asqalani H S Chandra Prameswari, Halissa Dwinta Pramono Djoko Fewidarto Purana Indrawan Putri Agni Cova Putri Imelda Rasikhak, Ghina Soraya Renhard Cornelis Wiyanto Rhamadhanty, Anastasia Putri Ridwan Siskandar Risyahadi, Sazli Tutur Rizda Dwiyanti Salekha, Kharisma Estri Salva Arya Sonjaya Septiyaningsih, Lutfi Sesar Husen Santosa Silvera Marsya Aleida Sinaga, Antonya Rumondang Sonjaya, Salva Arya Suhendi Irawan Sukma Rakha Az-Zahra Traya Alfarizi, Muhammad Wulandari, Dian Sulistyorini Yolanika Cahyadi Zahriatu Aida Zulkhulaifah, Jasmina Atria