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All Journal Journal of Innovation Research and Knowledge EDUCATUM: Scientific Journal of Education
Setyawati, Amelya
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Humanities Economics, Econometrics & Finance Education Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences Other

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ISHIKAWA DIAGRAM APPLICATION AS A LEARNING MEDIUM FOR QUALITY MANAGEMENT AT A MEATBALL FACTORY IN BANDUNG Siregar, Dhita Sari; Kurniati, Yeni; Setyawati, Amelya; Chaerani, Gita Mutiara Annisa; Syailendra, Kahfi
EDUCATUM: Scientific Journal of Education Vol. 3 No. 3 (2025): EDUCATUM: Scientific Journal of Education
Publisher : Four Son Scholarship

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59165/educatum.v3i3.195

Abstract

Product quality is not merely a technical issue in the industrial sector but also an essential competency that needs to be understood in quality management education, particularly in vocational education and applied higher education. Contextual and industry-based case learning in quality management is required to enable learners to understand quality control concepts in an applied manner. This study aims to examine the application of the Ishikawa Diagram as a problem-based quality management learning medium through a case study of declining meatball product quality at a manufacturing plant in Bandung, West Java. The research method employs a Quality Control Circle (QCC) approach using the Ishikawa Diagram to identify the root causes of quality problems, supported by Total Plate Count (TPC) testing as empirical evidence. The results indicate that the Ishikawa Diagram is effective not only as an analytical tool but also as a quality management learning medium, as it helps learners systematically understand cause-and-effect relationships within the production process. The main findings reveal that deviations in drying time due to increased production volume were the dominant factor contributing to the decline in meatball quality. This study contributes to the development of quality management learning based on real industrial case studies and strengthens the integration of quality management theory with practical field applications in educational contexts.
KARAKTERISTIK EDIBLE FILM KOMPOSIT ALGINAT–MONTMORILLONIT Setyawati, Amelya; Giyatmi, Giyatmi; Hari Eko Irianto; Dina Fransiska
Journal of Innovation Research and Knowledge Vol. 5 No. 9 (2026): Februari 2026
Publisher : Bajang Institute

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Abstract

Alginate is the product of processing seaweed Sargassum sp.  Alginate can be used as basic material in making edible film.  The aim of the research is to find the effect of alginate an montmorillonite concentration to the characteristics of edible film (the moisture content, solubility, thickness, tensile strength, elongation, water vapor transmission rate, opacity measurement, and color).  This study used a completely randomized design (CRD) pattern factorials by a Factor of A is the level alginate (1,00%; 1,25%; and 1,50%) and Factors B is the level montmorillonite (0,50%; 1,00%; and 1,50%) with 3 repetitions. The measured parameters were the moisture content, solubility, thickness, tensile strength, elongation, water vapor transmission rate, opacity measurement, and color. Based on the study on the characteristics of alginate-montmorillonite composite edible film it can be concluded that the best product based on chemical and mechanical test results is edible film made with 1.50% alginate concentration with 1.00% montmorillonite concentration resulting in a moisture content of 18.76%, solubility of 100%, thickness of 0.0368 mm, tensile strength of 32.27 MPa, percent of elongation of 47.66%, water vapor transmission rate of 12,04 g/m2/hours, opacity measurement of 3.23 YC / 2, L color test of 91.25, color test a equals -1.05, and color test b is 4.47.  The montmorillonite concentration had no effect (P≥0.05) on the solubility value, and color test a is (greeness), but it had a very significant effect (P ≤0.01) on the value of thickness, percent elongation, water vapor transmission rate, and opacity value
Co-Authors Chaerani, Gita Mutiara Annisa Dina Fransiska Giyatmi Giyatmi Hari Eko Irianto Siregar, Dhita Sari Syailendra, Kahfi Yeni Kurniati