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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Walisongo Journal of Chemistry Jurnal Ilmiah Mandala Education (JIME) Hydrogen: Jurnal Kependidikan Kimia Abdi Masyarakat JPIn : Jurnal Pendidik Indonesia Hydrogen: Jurnal Kependidikan Kimia Bioscientist : Jurnal Ilmiah Biologi Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Empiricism Journal Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Bakti Sekawan : Jurnal Pengabdian Masyarakat Journal of Authentic Research INTAN CENDEKIA: JURNAL PENGABDIAN MASYARAKAT Sasambo: Jurnal Abdimas (Journal of Community Service)
Hulyadi, Hulyadi
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Program Kemitraan Masyarakat: Pelatihan Budidaya Tanaman Obat Keluarga Masyarakat Desa Bengkaung Bayani, Faizul; Muhali, Muhali; Hulyadi; Bilad, Muhammad Roil; Samsuri, Taufik; Fitriani, Herdiyana
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 9 No. 2 (2024): June
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/linov.v9i2.2032

Abstract

Pemanfaatan tanaman obat keluarga (TOGA) di lingkungan pekarangan kantor desa menjadi strategi terencana untuk menggabungkan pengetahuan lokal dengan upaya meningkatkan literasi masyarakat tentang tanaman obat di Desa Bengkaung, Kecamatan Batu Layar. penanaman TOGA tidak hanya berkontribusi pada keberlanjutan lingkungan, tetapi juga memberdayakan masyarakat dalam upaya preventif dan promosi kesehatan yang berkelanjutan. Desa Bengkaung, sebagai daerah kaya sumber daya alam dengan warisan tradisional penggunaan tanaman obat, menunjukkan potensi pendekatan partisipatif efektif dalam meningkatkan kesehatan masyarakat. Dampak negatif yang ditimbulkan oleh penggunaan obat kimia menjadi dasar masyrakat mulai beralih keobat herbal. Budidaya tanaman obat penting keluarga penting untuk dilakukan untuk menjadi benteng pertahanan masyrakat ditengah meningkatnya penyakit yang menyerang imun tubuh. Program kemitraan masyrakat ini dilaksnakan dengan teknik PRA (Participatori Rural Appraisal) dimana dalam pelaksanaannya melibatkan masyarakat sekitar dalam seluruh kegiatan dan stakeholder setempat. Penggunaan teknik ini bertujuan agar masyarakat dapat saling berbagi dan meningkatkan pengetahaun mereka tentang kondisi dan kehidupan masyarakat, membuat rencana dan bertindak. Berdasarkan hasil evaluasi kegiatan setelah penaman selama 1 bulan tanaman obat tumbuh dengan baik. Bukti ini menunjukkan proses pengomposan dan metedo penanaman berjalan sesuai dengan harapan. Literasi masyrakat tentang obat juga meningkat ini tercermin dari rasa ingin tahu dan variasi tanaman obat yang terus bertambah ditaman obat Desa bengkaung. Community Partnership Program: Training on Cultivating Family Medicinal Plants for the Residents of Bengkaung Village Abstract The utilization of family medicinal plants (TOGA) in the village office yard is a planned strategy to combine local knowledge with efforts to enhance community literacy about medicinal plants in Bengkaung Village, Batu Layar District. The cultivation of TOGA not only contributes to environmental sustainability but also empowers the community in sustainable preventive and health promotion efforts. Bengkaung Village, rich in natural resources with a traditional heritage of medicinal plant use, demonstrates the potential of an effective participatory approach to improving public health. The negative impacts of chemical medicines have prompted the community to shift towards herbal remedies. Cultivating essential family medicinal plants is crucial to fortify the community amidst the rise of diseases that compromise immune health. This community partnership program is implemented using the PRA (Participatory Rural Appraisal) technique, involving the local community and stakeholders in all activities. The use of this technique aims to facilitate knowledge sharing among community members about their conditions and lifestyles, enabling them to plan and take action. Based on the activity evaluation results, one month after planting, the medicinal plants have grown well. This evidence indicates that the composting process and planting methods met expectations. Community literacy about medicinal plants has also increased, as reflected in the growing curiosity and variety of medicinal plants in Bengkaung Village's medicinal garden.
PELATIHAN PEMBUATAN PUPUK ORGANIK CAIR BAGI GURU DAN SISWA SMAN 08 MATARAM Hulyadi, Hulyadi; Ahmadi, Ahmadi; Khery, Yusran; Hatimah, Husnul; Indah, Dahlia Rosma; Hendrawani, Hendrawani
Abdi Masyarakat Vol 3, No 1 (2021)
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/abdi.v3i1.2346

Abstract

kegiatan pengabdian kepada masyarakat ini bertujuan untuk menambahkan kreativitas guru dalam melihat permasalahan lingkungan disekitar sekolah. Salah satu permasalahan yang dihadapi guru di SMAN 08 Mataram aroma tidak sedap dari limbah pengolahan tahu, limbah organik dari daun-daun pepohonan yang ada disekitar sekolah dan. Limbah cair yang terbuang secara langsung keparit sekitar sekolah menimbut aroma tidak enak. Aroma ini menyebabkan siswa terganggu dalam melakukan proses kegiatan belajar. Dibutuhkan teknologi untuk mengatasi masalah tersebut. Pengolahan limbah menjedi pupuk organik cair menjedi salah satu solusi untuk menjawab permasalahan tersebut. Pembuatan pupuk organik membutuhkan mikroorganisme untuk menguraikan bahan organik menjadi mineral yang lebih mudah diserap oleh tanaman. Metode kegiatan berupa pelatihan kemudian dilanjutkan dengan pembautan starter dari limbah buah dan bahan organik yang kaya dengan mineral yang ada dilingkungan sekitar sekolah. Berdasarkan hasil evaluasi guru dan siswa menunjukkan antusias yang besar terbukti semua siswa mengikuti kegiatan sampe selesai. Banyaknya pertanyaan dari guru dan siswa bagaimana aplikasinya lebih lanjutnya terhadap tanaman juga merupakan bukti ketertarikan guru dan siswa untuk mengaplikasikan pupuk yang akan dibuat. Guru dan siswa berharap kegitan ini bisa dilanjutkan proses pengabdian ini bisa diintegrasikan dalam pembelajaran IPA untuk mengsilkan proses pembelajaran yang lebih bermakna.
Validitas Bahan Ajar Hidrokarbon Berbasis Model Inkuiri dengan Strategi Konflik Kognitif untuk Meningkatkan Kemampuan Berpikir Kritis Sabri, Muhammad; Muhali, Muhali; Hulyadi, Hulyadi; Asy'ari, Muhammad
Journal of Authentic Research Vol. 1 No. 1 (2022): January
Publisher : LITPAM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jar.v1i1.635

Abstract

Ketersediaan bahan ajar hidrokarbon yang secara eksplisit membelajarkan kemampuan berpikir kritis masih jarang ditemukan. Kondisi tersebut menyebabkan rendahnya kemampuan berpikir kritis mahasiswa calon guru. Penelitian ini bertujuan mengembangkan prototipe berupa bahan ajar model inkuiri dengan strategi konflik kognitif yang valid dan efektif untuk meningkatkan kemampuan berpikir kritis mahasiswa. Penelitian ini merupakan penelitian deskriptif kuantitatif dari validitas dan keefektifan bahan ajar berbasis inkuiri dengan strategi konflik kognitif yang merupakan hasil pengembangan dengan rancangan model ADDIE (Analysis, Design, Development, Implementation, dan Evaluation). Dua validator ahli, satu validator praktisi dan lima mahasiswa dilibatkan pada evaluasi validitas dan keterbacaan bahan ajar. Data penelitian dianalisis secara deskriptif-kuantitatif menggunakan persamaan N-gain. Hasil penelitian menunjukkan bahan ajar yang dikembangkan dinyatakan (1) valid (rerata= 90,31) dengan keterbacaan sangat baik (rerata= 90,22); dan (2) efektif untuk meningkatkan kemampuan berpikir kritis mahasiswa (pretest= 31,3 dan posttest= 61,3) dengan peningkatan medium (n-gain= 0,4). Berdasarkan temuan tersebut, dapat disimpulkan bahwa bahan ajar berbasis inkuiri dengan strategi konflik kognitif dapat digunakan dalam pembelajaran untuk meningkatkan kemampuan berpikir kritis mahasiswa. The Validity of the Hydrocarbon Teaching Materials based on Inquiry Learning Model with Cognitive Conflict Strategies to Improve Critical Thinking Ability Abstract The availability of instructional materials explicitly teaching critical thinking skills is still rare. This condition leads to a low level of critical thinking ability among prospective teachers. This research aims to develop a prototype in the form of an inquiry-based instructional material with cognitive conflict strategy that valid and effective to enhance prospective teachers’ critical thinking ability. This study is a quantitative descriptive research on the validity and effectiveness of inquiry-based instructional materials with cognitive conflict strategy, developed using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). Two expert validators, one practitioner validator, and five students were involved in evaluating the validity and readability of the instructional material. The research data were analyzed descriptively and quantitatively using the N-gain equation. The results of the study indicate that the developed instructional material is (1) valid (mean=90.31) with excellent readability (mean=90.22), and (2) effective in improving students' critical thinking ability (pretest=31.3 and posttest=61.3) with a medium level of improvement (n-gain=0.4). Based on these findings, it can be concluded that inquiry-based instructional materials with cognitive conflict strategy can be used in teaching to enhance prospective teachers' critical thinking ability.
Exploration of Student Thinking Systems Through STEM-PjBL Project Based Learning in the Science Field Sukarma, I Ketut; Hulyadi, Hulyadi; Muhali, Muhali; Azmi, Irham
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 3 (2024): June-July 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i3.12273

Abstract

The complexity of science concepts which are interrelated with each other requires the competence to think systematically. Complex thinking which is the basis for critical, analytical, creative and metacognitive thinking is very important to master in responding to the challenges of the 21st century. The aim of this research is to explore students' thinking systems taught using the STEM-PjBL model. This research is quantitative descriptive research. The variables studied are students' thinking systems based on the ability to determine components that influence each other in the bioethanol synthesis and dehydrator processes. The population in the study was 17 students. Students are distributed in two semesters, namely semesters II and IV. The research uses pre-test and post-test systematic thinking ability tests as data collection techniques and tools. The test consists of 5 essay questions that assess students' systematic thinking competence, and the test used is analyzed for validity, discrimination power, and level of difficulty before use. This test was developed based on indicators of systematic thinking competency. Tests were given to students before and after carrying out project activities for making and dehydrating bioethanol. After carrying out the project, students strengthen their competence through computational simulations related to the project being carried out. The data obtained is then presented in a communicative graph. The research results showed that 35.2% had high system thinking, 29% medium, 35.6% low. These results show that the application of the STEM-PjBL model is able to foster students' systematic thinking competency.
Review of Secondary Metabolites From Melandean Bark Extract (Bridellia Micrantha): Bioactive Potential and Applications in Health Bayani, Faizul; Muhali, Muhali; Yuliana, Devi; Hulyadi, Hulyadi; Gargazi, Gargazi
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 3 (2024): June-July 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i3.11956

Abstract

Abstract The emergence of various diseases affecting the immune system, such as COVID-19 and Hand, Foot, and Mouth Disease, demands serious attention. Current climate changes occurring in almost all parts of the world can lead to the emergence of various viruses and bacteria that cause multiple diseases. Exploring medicinal plants that can enhance the immune system is crucial to be continued. This study aims to identify secondary metabolite compounds contained in Bridellia Micrantha plants using chemical reagents and gas chromatography-mass spectrometry (GC-MS) instruments. This research is an experimental laboratory study. The variable studied is the content of secondary metabolite compounds. Data were collected using chemical reagents and instruments. The obtained data are described in informative tables and graphs. Based on the identification results using instruments, positive results were found for organic compound groups such as flavonoids, alkaloids, and tannins. GC-MS test results showed that the organic compounds  contained in Bridellia Micrantha extract are 43.05% hexadecanoic acid, 21.46% oleic acid, 16% docos-13-enoic acid, 3.89% octadecanal, 1.85% propanediol, and 0.91% trans-phytol. Literature reviews indicate that the organic acids in Bridellia micrantha extract have clinical activities as antioxidants and anti-inflammatory agents, while organic compounds containing hydroxyl groups have clinical activities as anti-cancer agents. Based on these findings, Bridellia micrantha extract has the potential as a medicine that can enhance the body's immunity.  
Identification of Antioxidant Activity of Bridelia Micrantha Bark Using the DPPH Method Bayani, Faizul; Rosmayanti, Baiq; Hamdani, Ade Sukma; Bimaharyanto, Deden Eka; Hulyadi, Hulyadi
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 2 (2024): April-May 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i2.11346

Abstract

This research aims to identify the antioxidant activity of Bridelia micrantha stem bark using the DPPH method. This research is a laboratory experimental research. Antioxidant activity was measured using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. Melandean Bark Extract is made using the maceration method with 80% methanol solvent. Identification of antioxidant activity was carried out at concentrations of 20 ppm, 40ppm, 60ppm, 80ppm, and 100ppm. Vitamin C was used as a positive control. Absorbance measurements were carried out using a UV-Vis spectrophotometer at a wavelength of 517nm. The test results in this research showed that the IC50 value of melandean bark extract was 85.54 ppm. Melandean bark extract is classified as a strong antioxidant.
Uji Aktivitas Antibakteri Ekstrak Daun Bridelia micranth Lombok pada Escherichia coli Faizul Bayani; Endang Sudiana; Ade Sukma Hamdani; Ida Wahyuni; Jamilul Mujaddid; Hulyadi Hulyadi
Bioscientist : Jurnal Ilmiah Biologi Vol 11, No 2 (2023): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v11i2.9931

Abstract

The aim of this research is to identify the antibacterial activity of Bridelia micranth Lombok extract on the pathogenic bacteria Escherichia coli. The independent variable in this study was the concentration of Bridelia micrantha leaf extract. The concentration of Bridelia micrantha leaf extract in this study was varied from 20%, 40%, 60%, and 80%. The dependent variable is the ability of Bridelia micrantha leaf extract as an antibacterial. The antibacterial ability of Bridelia micrantha leaf extract was measured based on the diameter of the clear zone with three repetitions. As a comparison, an antibacterial is used, namely amoxicillin. Data analysis in this research was carried out descriptively, and then non-parametric tests were carried out to test the homogeneity of the data. In this study, the antibacterial ability of Bridelia micrantha leaf extract was discovered. At a concentration of 20%, the average diameter of the inhibitory zone was 2.5 mm which was categorized as none (resistance), 40% concentration was 9.83 mm in the non-existent category (resistance), 60% concentration was 13.66 in the weak category (intermediate), and at a concentration of 80% 16.5 mm is in the medium (sensitive) category. The research results indicated that Bridelia micrantha leaf extract had antibacterial activity against Escherichia coli bacteria. When compared with amoxicillin, the ability of Bridelia micrantha leaf extract as an antibacterial is still lower. Amoxicillin was able to inhibit the growth of Escherichia coli by 18.13 mm, while the highest ability of Bridelia micrantha leaf extract was 16.5 mm. Based on Ministry of Health regulations, antibacterials can be used if the inhibition zone is between 14-18 mm. So, Bridelia micrantha leaf extract can be used as an antibacterial, but it needs to be tested further before being applied to the public.
Mengubah Limbah Menjadi Berkah: Pelatihan Pengolahan Limbah Organik Sebagai Media Budidaya Jamur dan Sayuran Organik Hulyadi, Hulyadi; Muhali, Muhali; Khaeruman, Khaeruman; Bilad, Muhammad Roil; Samsuri, Taufik; Bayani, Faizul; Yuliana, Depi
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 9 No. 4 (2024): December
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/linov.v9i4.2394

Abstract

Pengabdian ini bertujuan melaitih mitra memanfaatkan limbah organik jerami, ampas sagu dan serbuk gergaji sebagai media tanam jamur merang. Selanjutnya limbah jamur diolah sebagai media tanam sayur mayur. Permasalahan utama yang dihadapi mitra adalah belum mampu memanfaatkan limbah organik menjadi bahan yang memiliki nilai ekonomis. Teknik yang digunakan dalam kegiatan pemberdayaan masyarakat ini adalah PRA (Participatori Rural Appraisal) dimana dalam pelaksanaannya melibatkan masyarakat sekitar dalam seluruh kegiatan dan stakeholder setempat. Keunggulan metode ini adalah mampu meningkat keterampilan mitra karena terlibat langsung dalam proses produksi jamur merang. Penggunaan teknik ini bertujuan agar masyarakat dapat saling berbagi dan meningkatkan pengetahaun mereka tentang kondisi dan kehidupan masyarakat, membuat rencana dan bertindak. Keberhasilan proses pengabdian dinilai dari kompetensi mitra dalam budidaya jamur dan sayur mayur pada limbah jamur merang. Mitra telah mampu membudidayakan jamur merang dan sayur mayur ini terbukti dari hasil panen jamur yang sangat baik. Sayur mayur juga tumbuh subur pada media limbah jamur jika dibandingkan dengan media tanah. Suhu yang dijaga tetap setabil pada kumbung mikro terbukti mampu meningkatkan produksi 5 kg setiap raknya. Jika dipersentasekan secara keseluruhan terjadi peningkatan produksi 10% jika dibandingkan ukuran kumbung yang biasa dipakai oleh petani jamur merang. Berdasarkan hasil panen dan uji coba tanaman cabe pada limbah jamur merang dapat disimpulkan masyarakat desa Bengkaung telah mampu memanfaatkan limbah organik menjadi media tanam jamur merang serta mampu memanfaatkan limbah jamur sebagai media tanam sayur. Turning Waste into Blessings: Training on Processing Organic Waste as a Media for Cultivating Organic Mushrooms and Vegetables Abstract This service aims to train partners to utilize organic waste straw, sago dregs and sawdust as a growing medium for straw mushrooms. Next, the mushroom waste is processed as a vegetable growing medium. The main problem faced by partners is that they have not been able to utilize organic waste into materials that have economic value. The technique used in this community empowerment activity is PRA (Participatory Rural Appraisal) where the implementation involves the local community in all activities and local stakeholders. The advantage of this method is that it can improve the skills of partners because they are directly involved in the straw mushroom production process. The aim of using this technique is so that people can share and increase their knowledge about the conditions and life of the community, make plans and act. The success of the service process is assessed from the partner's competency in cultivating mushrooms and vegetables from straw mushroom waste. Partners have been able to cultivate straw mushrooms and vegetables as proven by the excellent mushroom harvest. Vegetables also grow well on mushroom waste media when compared to soil media. The temperature that is kept stable in micro barns has been proven to be able to increase production by 5 kg per shelf. If taken as a whole, there was a 10% increase in production compared to the size of the kumbung usually used by straw mushroom farmers. Based on the harvest results and trials of chili plants on straw mushroom waste, it can be concluded that the people of Bengkaung village have been able to use organic waste as a growing medium for straw mushrooms and are able to use mushroom waste as a medium for growing vegetables.
Program Kemitraan Masyarakat: Menumbuh Literasi dan Keterampilan Mengekstrak Tanaman Obat Melalui Teknologi Sederhana Berorientasi Kearifan Lokal Bayani, Faizul; Yuliana, Depi; Jupriadi, Lalu; Hamdani, Ade Sukma; Hulyadi, Hulyadi; Verawati, Ni Nyoman Sri Putu; Gargazi, Gargazi
Lumbung Inovasi: Jurnal Pengabdian kepada Masyarakat Vol. 9 No. 4 (2024): December
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/linov.v9i4.2403

Abstract

Program Kemitraan Masyarakat (PKM) ini bertujuan untuk meningkatkan literasi dan keterampilan masyarakat Desa Bengkaung dalam mengekstrak tanaman obat melalui penggunaan teknologi sederhana yang berbasis kearifan lokal. Pendekatan yang digunakan dalam program ini melibatkan pemanfaatan bahan-bahan lokal, seperti kayu manis, kayu gaharu, kulit kayu Bridellia micrantha, serta alat tradisional gerabah untuk proses ekstraksi tanaman obat. Program ini tidak hanya bertujuan untuk meningkatkan kemampuan praktis dalam pengolahan tanaman obat, tetapi juga untuk melestarikan dan mengembangkan kearifan lokal yang sudah ada di desa tersebut. Variabel utama yang dianalisis dalam penelitian ini meliputi peningkatan keterampilan ekstraksi, pemanfaatan bahan lokal, kesadaran terhadap pelestarian kearifan lokal, dan penggunaan alat tradisional yang ramah lingkungan. Metode yang digunakan dalam pelaksanaan program ini meliputi pelatihan langsung kepada masyarakat melalui workshop dan pendampingan, serta evaluasi hasil melalui metode pre-test dan post-test. Hasil dari program ini menunjukkan adanya peningkatan yang signifikan dalam kemampuan masyarakat Desa Bengkaung dalam mengekstrak tanaman obat dengan alat sederhana. Para peserta pelatihan dapat mengidentifikasi dan memanfaatkan bahan-bahan lokal secara efektif untuk proses ekstraksi, serta memahami pentingnya keberlanjutan dan pelestarian kearifan lokal. Selain itu, penggunaan alat tradisional gerabah sebagai media ekstraksi juga terbukti tidak hanya efektif dalam menghasilkan produk ekstraksi, tetapi juga mendukung upaya pelestarian budaya lokal yang ramah lingkungan. Dengan demikian, PKM ini memberikan kontribusi penting dalam pemberdayaan masyarakat Desa Bengkaung, tidak hanya dalam aspek keterampilan teknis, tetapi juga dalam penguatan nilai-nilai kearifan lokal yang berbasis pada keberlanjutan dan penggunaan bahan-bahan alami. Program ini juga berpotensi menjadi model bagi pengembangan masyarakat berbasis kearifan lokal lainnya dalam rangka meningkatkan literasi dan keterampilan berbasis budaya yang berkelanjutan. Community Partnership Program: Fostering Literacy and Skills in Extracting Medicinal Plants Through Simple Technology with a Focus on Local Wisdom  Abstract This Community Partnership Program (PKM) aims to enhance the literacy and skills of the residents of Bengkaung Village in extracting medicinal plants using simple technology based on local wisdom. The approach employed in this program involves utilizing local materials, such as cinnamon, agarwood, and the bark of Bridellia micrantha, as well as traditional clay tools for the medicinal plant extraction process. The program not only aims to improve practical skills in processing medicinal plants but also seeks to preserve and develop the local wisdom already present in the village. The key variables analyzed in this study include the improvement of extraction skills, the utilization of local materials, awareness of preserving local wisdom, and the use of environmentally friendly traditional tools. The methods applied in the implementation of this program include direct training through workshops and mentoring, as well as evaluating the outcomes using pre-test and post-test methods. The results of the program show a significant improvement in the abilities of Bengkaung Village residents in extracting medicinal plants using simple tools. Participants were able to identify and effectively utilize local materials for the extraction process and understand the importance of sustainability and preserving local wisdom. Additionally, the use of traditional clay tools as extraction media proved not only effective in producing extraction products but also supported efforts to preserve environmentally friendly local cultural practices. Thus, this PKM has made a significant contribution to empowering the Bengkaung Village community, not only in terms of technical skills but also in strengthening values of local wisdom based on sustainability and the use of natural materials. This program also has the potential to serve as a model for other community development initiatives based on local wisdom to enhance literacy and skills in a sustainable cultural framework.
Antioxidant Activity Analysis of Ethanol Extract from Melandean Leaves (Bridelia micrantha) Using the DPPH Assay Bayani, Faizul; Rahayu, Lale Budi Hutami; Rahayu, Supiani; Huaida, Nurul; Yuliana, Depi; Hulyadi, Hulyadi; Gargazi, Gargazi
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13855

Abstract

The increasing global prevalence of oxidative stress-related diseases such as cardiovascular disease, diabetes, and neurodegenerative disorders underscores the importance of developing effective antioxidant strategies. In this study, samples of ethanol extract from Bridelia micrantha (Melandean) leaves were used which were then evaluated using the DPPH (2,2-diphenyl-1-picrylhydrazyl) test, a method that is widely known for assessing free radical scavenging activity. The ethanol extract sample was obtained through maceration with a yield of 15.84%. Based on the DPPH test, it shows that the extract has dose-dependent inhibition of DPPH radicals, with a maximum inhibition of 66.13% at a concentration of 25 ppm. The IC50 value, calculated from regression analysis, confirmed the antioxidant potential of the extract, although it was less effective than that of vitamin C, which was used as a positive control. These findings suggest that Bridelia micrantha leaves, rich in phytochemicals such as flavonoids, tannins, and saponins, have the potential as a source of natural antioxidants for managing oxidative stress-related health conditions.
Co-Authors - Khaeruman Abd. Rasyid Syamsuri Ade Sukma Hamdani Agus Muliadi AHMADI Ahmadi Ahmadi Ahmadi Ahmadi Ali Imran Ali Imran Anita Fibonacci Anita Fibonacci Asy’ari, Muhammad Azmi, Irham Baiq Asma Nufida Baiq Asma Nufida Baiq Mirawati Bayani, Faizul Bilad, Muhammad Roil Bimaharyanto, Deden Eka Citra Ayu Dewi Dahlia Rosma Indah Darmatasyah Darmatasyah Darmatasyah, Darmatasyah Delila Idsa Amara Raymanda Devi Yuliana, Devi Endang Sudiana Fahrurrozi Fahrurrozi Faizul Bayani Faizul Bayani Fitriani, Herdiyana Gargazi Gargazi Hamdani, Ade Sukma Hasmawati Wahab Helmi Rahmawati Hendrawani Hendrawani Hendrawani Hendrawani Hendrawani Hendrawani Hendrawani, Hendrawani Huaida, Nurul Hunaepi, Hunaepi Husnul Hatimah Husnul Hatimah Husnul Hatimah, Husnul Ida Wahyuni Ilyana, Nia Intan Dwi Hastuti Irma Utu Nganji Istin Fitriana Aziza Izzatunnisa Izzatunnisa Izzatunnisa Izzatunnisa, Izzatunnisa Jamilul Mujaddid Jupriadi, Lalu KETUT SUKARMA . Khaeruman khusnul khotimah Khusnul Khotimah M. Muhali Masiah Masiah Mirawati, Baiq Muhali Muhali Muhali Muhamad Zaenudin Muhammad Asy'ari Muhammad Fuaddunazmi Muhammad Roil Bilad Muhammad Sabri Ni Nyoman Sri Putu Verawati Nia Ilyana Pahriah Pahriah Pahriah PAHRIAH, PAHRIAH Putri, Yuli Anggraini Rahayu, Lale Budi Hutami Rahayu, Supiani Rosmayanti, Baiq Subagio Subagio, Subagio Suryati Suryati Sutarto Sutarto Taufik Samsuri Wahab, Hasmawati Wiwik Handayani Yuli Anggraini Putri Yuliana, Depi Yusran Khery Yusran Khery, Yusran Yusril Anwar Zul Anwar