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All Journal JURNAL VISIONIDA Al-Mizan: Jurnal Hukum Islam dan Ekonomi Syariah Arus Jurnal Sosial dan Humaniora Jurnal Pendidikan Dasar International Journal of Economic, Technology and Social Sciences (Injects) INTEGRATIF: Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan & Pengajaran Jurnal Bioteknologi & Biosains Indonesia (JBBI) SAWEU: Jurnal Pengabdian Kepada Masyarakat SAWEU: Jurnal Pengabdian Kepada Masyarakat Jurnal Bioteknologi & Biosains Indonesia
Fadhillah
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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STRATEGI GURU DALAM MENGATASI KESULITAN BELAJAR MATEMATIKA PADA SISWA KELAS IV SD NEGERI SAMAHANI Fadhillah; Nisrina; Jatu Wahyu Wicaksono
Jurnal Pendidikan Dasar Vol. 13 No. 01 (2022): JPD - Jurnal Pendidikan Dasar
Publisher : Pendidikan Dasar - Pascasarjana Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.248 KB)

Abstract

fields of science. There are students who can take their learning activities smoothly without experiencing difficulties, but on the other hand not a few students who actually learn to experience various difficulties. In particular, this study aims to describe the teacher's strategy in overcoming the difficulty of learning mathematics in students of grade IV of Samahani State Elementary School. The approach that will be used in this study is a qualitative approach with a descriptive type. The subjects in this study were grade IV teachers and 9 students of grade IV Samahani State Elementary School. Data collection techniques through observation, interviews, questionnaires and documentation. Data is analyzed using data reduction, data presentation, and conclusion withdrawal. Based on the research that has been carried out, it can be concluded that the factors that cause the onset of difficulty learning mathematics in students come from internal factors and external factors. (1) Internal factors of students, namely, things or circumstances that come from within the student himself include (a) the low intellectual / intellectual intelligence of the student. The strategy carried out by teachers in overcoming the difficulty of learning mathematics is by knowing or recognizing the weaknesses of students in the math material. (b) the unstable emotions and attitudes. The strategy carried out by teachers in overcoming the difficulty of learning mathematics is to encourage and motivate students who have difficulty in learning mathematics. (2) External factors of the student include all situations of the surrounding environment conditions that do not support the student's learning activities. (a) Family environment, the strategy carried out by teachers in overcoming math learning difficulties is to inform about the advantages and disadvantages of students, so that teachers can find solutions together with parents about what teachers can do at school and parents at home. (b) The community environment. The strategy carried out by teachers in overcoming math learning difficulties is to use learning media such as audio visual media, and (c) The school environment. The strategy carried out by teachers in overcoming the difficulty of learning mathematics is by providing tasks / exercises.
THE EFFECT OF POST-PRODUCTION SHELF TIME ON THE ANTIOXIDANT ACTIVITY OF SOY MILK Fadhillah; Nazip, Khoiron; Meilinda
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 12 No. 1 (2025)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2025.11320

Abstract

This study was conducted to analyze the effect of post-production storage time on antioxidant activity in soy milk. Antioxidants are compounds that can ward off free radicals, so it is important to know their stability over time. The storage time used in this study was 1, 4, 7, 10, and 13 hours post-production. Antioxidant activity testing was carried out using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. Qualitatively, the color change of the DPPH solution was observed from purple to light yellow, while quantitatively the absorbance value was measured using UV-Vis Spectrophotometry. The inhibition value and IC50 were calculated to determine the strength of antioxidant activity in soy milk. The results showed that soy milk with a storage time of 1 hour had the best antioxidant activity with an IC50 value of 28.19 μg/ml which was classified as very strong. At 4 hours of storage time, the IC50 value of 37.28 μg/ml is classified as moderate, while at 7 hours and 10 hours the IC50 values ​​were 146.95 μg/ml and 119.38 μg/ml, respectively, which are also classified as moderate. At 13 hours, the antioxidant activity decreased drastically with an IC50 value of 228.90 μg/ml, which is classified as very weak. The antioxidant activity of soy milk decreased with increasing storage time. Factors such as temperature, light, and components of soy milk contribute to the degradation of antioxidant activity. Therefore, consumption of soy milk should be done within a shorter time after production to obtain optimal antioxidant benefits.
Co-Authors Eka Yulianti Eni Desfitri Ferdianto HARTATI Hasanah, Ida Herliana Iis Suryani Indah Afrianti Jasmadi Jatu Wahyu Wicaksono Khoiron Nazip, Khoiron Meilinda Muhammad Yusuf Zulkifli Mulia Rahman, Mulia Rahman Mulya Yusnarti Nisrina Nur Alna Mra Aisyah Nur Wahyuni Nurhayati Nurmawati Reza Muttaqin Risa Yulisna Saidin Sri Suyanta Sunarty, Risma syafrizal Syarifah Lisa Andriati Wahyu Khafidah