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All Journal Biopedagogia JOURNAL OF PHILANTHROPY: The Journal of Community Service Mathematics Education Journal
Ramadhani, Lailatul
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Agriculture, Biological Sciences & Forestry Education Environmental Science Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Other

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Antioxidant Activity Test On Ethanol Extract Of Cassava Leaves (Manihot Esculenta C.) Using DPPH Method Husain, Muhammad Hafizh; Febrianti, Dewi Retno; Salsabillah, Salma; Rolita, Ninda Norma; Amrullah, Kammal Nizam; Bawani, Elen Ayu; Ramadhani, Lailatul; Pratiwi, Lidia Wahyu; Yaqin, Ngainul; Jayanti, Angelina; Rafsanjani, Ramizard; Januarista, Terra; Faisal, Faisal; Ramadhan, Majida
Biopedagogia Vol 6, No 2 (2024): November
Publisher : Program Studi Pendidikan Biologi Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/biopedagogia.v6i2.5533

Abstract

Cassava leaves (Manihot esculenta Crantz) are herbs used in traditional medicine. Cassava leaves contain secondary metabolite chemicals such as vitamin C, flavonoids, tannins, saponins, and triterpenes. Cassava leaves are pharmacologically active as anti-inflammatory, antibacterial, and antioxidants. To identify the sample's active antioxidant components using the DPPH technique. The DPPH method is a method of determining the antioxidant activity of a sample by examining its capacity to neutralize free radicals of the 2,2-diphenyl-1-picrylhydrazyl molecule. The antioxidant activity of quercetin from cassava leaf extract (Manihot esculenta Crantz) yielded an IC50 value of 210.33. The IC50 value shows that cassava leaves (Manihot esculenta Crantz) have modest antioxidant lower. Cassava leaves (Manihot esculenta Crantz) have antioxidant activity of 210.33 g/mL so they are included in the weak category in this study.
The Characteristics of Teaching Materials that Promote Mathematical Abstraction through the Visualization of Minangkabau Batik Motifs Afriyani, Dona; Ramadhani, Lailatul; Yenti, Isra Nurmai; Herlina, Elda
Mathematics Education Journal Vol. 18 No. 3 (2024): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jpm.v18i3.pp387-408

Abstract

The ineffective use of constructivist learning through mathematical abstraction activities by teachers has led to low mathematics learning results. To promote mathematical abstraction, teaching materials must integrate the visualization of Minangkabau batik motifs. Therefore, this research aimed to describe the characteristics of teaching materials by adopting a 4D developmental model. The data analysis across the development stage included qualitative descriptive analysis for data received from interviews, observations, document reviews, and literature reviews, as well as quantitative descriptive analysis for data obtained from wide validation. The results showed that (1) Minangkabau batik motifs contained the concept of transformation geometry including reflection, rotation, translation, and dilation. (2) The characteristics of teaching materials included (a) having a cover, encouragement sheet, foreword, table of contents, materials, supporting information, exercises, assessments, and bibliography, (b) meeting the appropriateness of graphics, content, and language, (c) displaying the visualization of Minangkabau batik motifs for presentation of material, exploration of the properties of transformation geometry, and finding answers to prompting and practice questions, as well as (d) containing student activities in constructing concepts and making connections between such concepts. In conclusion, this research could help teachers improve students' mathematical abstraction using local cultures and teaching materials.
Edukasi dan Skrining Hipertensi untuk Meningkatkan Pengetahuan Masyarakat di Dusun Gemawang, Sinduadi, Mlati, Sleman Parastri, Chantika; Dewi P. , Chantika; Nuraini; Syaputri , Widya; Ramadhani, Lailatul; Budi P., Renaldi Tri; Ismi , Nur; Nuraida P. , Syifa; Miftakhul P., Rendy; Putri K., Tiara Eka; Riyadi, Sujono
JOURNAL OF PHILANTHROPY: The Journal of Community Service Vol. 3 No. 2 (2025): Journal of Philanthropy, July 2025
Publisher : Samodra Ilmu: Lembaga Penelitian, Penerbitan, dan Jurnal Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58353/jop.v3i2.270

Abstract

Hypertension is a non-communicable disease that has a high risk of causing serious complications if not controlled. Education and early screening are needed to increase community awareness and understanding of this disease. This activity aims to improve the knowledge of the Gemawang Hamlet community about hypertension and encourage early detection behavior through blood pressure checks. The methods applied included interactive health education sessions, filling out pre-post-test questionnaires, and blood pressure screening for 58 participants. The results showed that 56.9% of the participants had high blood pressure, and only 22 individuals were aware of the symptoms of hypertension. This activity affectively enhanced public knowledge and served as a preventive effort against complications related to hypertension.
Co-Authors Amrullah, Kammal Nizam Bawani, Elen Ayu Budi P., Renaldi Tri Dewi P. , Chantika Dona Afriyani Elda Herlina Faisal Faisal Febrianti, Dewi Retno Husain, Muhammad Hafizh Ismi , Nur Isra Nurmai Yenti Januarista, Terra Jayanti, Angelina Miftakhul P., Rendy Nuraida P. , Syifa Nuraini Parastri, Chantika Pratiwi, Lidia Wahyu Putri K., Tiara Eka Rafsanjani, Ramizard Ramadhan, Majida Rolita, Ninda Norma Salsabillah, Salma Sujono Riyadi Syaputri , Widya Yaqin, Ngainul