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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pengabdian Magister Pendidikan IPA
Mahrus Mahrus
Pendidikan Biologi FKIP Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

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Implementasi Pembelajaran Lesson Study Pada Matakuliah Genetika Mahrus Mahrus; Lalu Zulkifli; Syachruddin AR
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.197

Abstract

Abstract: The purpose of this study was to improve the results and learning process of Genetic subjects in the Biology Education Study Program through lesson study (LS). The research type is descriptive, the sampling technique used purposive. The study sample used 40 students in the sixth semester of class a Biology Education Study Program, Faculty of Education, University of Mataram in academic year 2017/2018. The research data collection technique used observation, documentation, and tests. Data on student learning outcomes and LS-based learning processes were analyzed descriptively. LS implementation in this study consisted of four cycles and each cycle consisted of three stages, namely: planning, implementation, and reflection. Classically the average value of students' cognitive achievement is 82.1% in cycle I and II while in cycle III and IV it increases to 82.67%. Data from LS implementation observation results obtained an average value of 91.63%. The conclusion of this study is the application of LS learning can improve student achievement and learning processes on Genetic subjects in the Biology Education Study Program. It is recommended to other researchers to conduct similar follow-up research in broader research areas, more samples, use more complex research designs, and use more subjects so that more optimal results can be found. Keywords: Lessons Study; learning; genetics; learning achievements; collaborative
The Effects of Pineapple Fruit Extracts (Ananas comosus) on the Quality of Chemical and Microbiological-Rabbitfish (Siganus spp.) Sauce Products Mahrus Mahrus; Agil Al Idrus; Abdul Syukur; Lalu Zulkifli
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.5918

Abstract

The present work aims to study the effect of pineapple fruit extracts on the quality of Chemical and microbiological - rabbitfish sauce products. Utilizing pineapple extract can speed up the fermentation process because pineapple extract contains bromelain enzymes that will break down rabbitfish’s protein, carbohydrate, and fat molecules into simpler molecules. The research method applied involved experimental laboratory procedures. This study used a completely randomized design. The variables observed were protein, water content, acidity (pH), total microbe, total lactic acid bacteria, Escherichia coli, Staphylococcus, and taste values. The pineapple extracts and fermentation length affected sauce product quality significantly. Pineapple extracts of 15% and 12-day fermentations produced the best sauce quality, consisting of 14.18% protein content, 73.55% moisture content, and a pH of 5.26. Besides, other parameters observed were total microbes 7.8 x 104 CFU/g, total lactic acid bacteria 1, 0 x 102 CFU/g, E. coli, and Staphylococcus sp. (negative), taste value was 3.46, but consumers did not like it so much. However, these results have met the Indonesian National Standards for the product and are safe for human consumption.
Co-Authors Abdul Syukur Agil Al Idrus Ahmad Raksun Lalu Japa Lalu Zulkifli Lalu Zulkifli Prapti Sedijani Syachruddin AR