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All Journal Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Journal of Islamic Education
Haq, Ahmad Izzul
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Religion Agriculture, Biological Sciences & Forestry Humanities Education Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Validations of sensory overall acceptability optimizations on response surface methodology through just-about-right technique for coffee-leaf tea at different brewing methods Fibrianto, Kiki; Bimo, Igoy Arya; Sofa, Atika Muna; Putri, Azalea; Amelia, Devia; Lalilika, Ovirista Rachma; Genbrovit, Irha Putri; Haq, Ahmad Izzul
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 7, No 1 (2024)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2024.007.01.3

Abstract

Response Surface Methodology (RSM) has been widely employed for optimizing processes. However, the implementation of RSM in sensory studies is still limited. Moreover, most publications implementing RSM on sensory disregarded the validation stage as normally applied for process optimization. In this study, validating sensory overall acceptability with RSM was proposed by the Just-About-Right (JAR) technique. Coffee-leaf tea has great commercial potential as an ethnic beverage with unique sensory attributes but is still underutilized. Optimizing sensory acceptability level by modifying temperature and duration of brewing using the RSM was expected to obtain well-accepted coffee-leaf tea.  Robusta coffee leaf tea is brewed using combined Decoction - V60, French Press, combined French Press - V60, and V60 at 90oC to 100oC for 2 to 10 minutes. Evaluated by 110 untrained panelists, it was observed that the ideal brewing parameters for each technique were 96.6oC for 6.5 minutes for Decoction – V60, 96oC and 6.5 minutes for French Press, 90oC and 2 minutes for French Press - V60, and 90oC and 2 minutes for V60. All optimum brewing conditions based on RSM were successfully validated by overall acceptability on JAR (p-value 0.05). Thus, the JAR technique can enhance the overall sensory acceptability analysis and optimization.
The Influence of Project-Based Learning on Students' Critical Thinking Skills in Islamic Religious Education Haq, Ahmad Izzul; Tahir, M. Yusuf; Nursalam
Journal of Islamic Education Vol. 10 No. 2 (2025): JIE: (Journal of Islamic Education) July-December
Publisher : Letiges

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35723/jie.v10i2.691

Abstract

This research aims to analyze the influence of project-based learning (PjBL) on critical thinking skills in Islamic Religious Education subjects at SMA Insan Cendekia Syech Yusuf Gowa. The research focuses on evaluating the effectiveness of implementing the PjBL model in enhancing the quality of learning processes oriented toward active, contextual learning, particularly in developing students' critical thinking abilities. The approach employed is quantitative with a quasi-experimental design. The research subjects consisted of two classes: an experimental class that received a project-based learning model and a control class that used conventional methods. Data were collected through observation, critical thinking skills questionnaires, and learning outcome tests. Data analysis was conducted using t-tests and MANCOVA to measure differences and assess the model's influence on the dependent variables. The research results indicated that project-based learning was implemented very well, with an average implementation rate of 3.73 on a scale of 4. The average critical thinking skills score increased from 61.90 to 82.38, while the average learning outcomes score increased from 68.81 to 87.24. Statistical analysis demonstrated a significant effect of the PjBL model on the simultaneous improvement of both variables. These findings affirm that PjBL is effectively applied in Islamic Religious Education, as it can develop critical thinking, collaborative, and reflective skills that contribute to achieving Sustainable Development Goal 4 on Quality Education.
Co-Authors Amelia, Devia Genbrovit, Irha Putri Igoy Arya Bimo KIKI FIBRIANTO Lalilika, Ovirista Rachma Nursalam Putri, Azalea Sofa, Atika Muna Tahir, M. Yusuf