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All Journal Biosfer: Jurnal Tadris Biologi Journal of Innovative Science Education
Adystia, Yusdike
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Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences Other

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The Validity of Research-Based Teaching Supplements to Improve Students' Scientific Literacy Adystia, Yusdike; Lisdiana, Lisdiana; Yuniastuti, Ari
Journal of Innovative Science Education Vol 12 No 1 (2023): April 2023
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jise.v11i1.59895

Abstract

The development of teaching supplements based on research results regarding the dangers of vaping needs to be conducted considering that there is no integration regarding the dangers of vaping in biology subjects. Students need to improve information about the dangers of vaping through scientific literacy. The data collection techniques in this study consisted of a questionnaire. Through the data collection, the instruments needed in this study include validation sheets of material experts and media experts. The data were analyzed quantitatively to determine the category of validity and deepened by qualitative analysis. Based on the results of expert validation, research-based teaching supplements regarding the dangers of vaping were generally very valid with the average validation score of the two validators being 94.45%. The material contained in the teaching supplement was also adapted to current scientific developments related to the dangers of vaping by following scientific literacy indicators. The effectiveness of teaching supplements was determined based on the N-Gain value, the N-Gain value obtained was 0.76 which is in the High category
The Effect of Tempe Yeast Inoculum Amount on the Quantity and Quality of Cocos nucifera viridis Virgin Coconut Oil (VCO) Adystia, Yusdike; rahmawati, meidina; Anam, Khairul; Iswari, Retno Sri; Dewi, Pramesti
Biosfer: Jurnal Tadris Biologi Vol 12 No 1 (2021): Biosfer: Jurnal Tadris Biologi
Publisher : UNIVERSITAS ISLAM NEGERI RADEN INTAN LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/biosfer.v12i1.8022

Abstract

This study aims to determine the effect of tempeh yeast inoculum on the color, odor, and yield in the manufacture of Virgin Coconut Oil (VCO) from Cocos nucifera viridis. This research was conducted in November 2020 in Brebes, Magelang, and Lampung. This research employed the descriptive quantitative method. The population of this experiment was coconut fruit found in Lampung, Brebes, and Magelang. The sample used was green coconut (Cocos nucifera viridis) found in Lampung, Brebes, and Magelang. The working procedure of this research consisted of fermenting the sample and observing the oil produced by Virgin Coconut Oil. This research's data collection techniques were observation, documentation, and products calculation. Based on the observations, the researchers found the highest yield in the experiment of 80 ml cream with an inoculum of 8 grams (30.4%), followed by a volume of 80 ml of cream with a 6-gram inoculum (28.4%). The smallest yield was formed at a volume of 80 ml cream with inoculum 4 grams (14.6%). The VCO obtained in this research had a distinctive aroma of coconut oil and was clear in color. Therefore, the amount of tempeh yeast inoculum affects the color, odor, and yield in the manufacture of Virgin Coconut Oil (VCO) from Cocos nucifera viridis.
Co-Authors Anam, M. Khairul Ari Yuniastuti Lisdiana Lisdiana Pramesti Dewi rahmawati, meidina Retno Sri Iswari