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Application of Coffee Pulper and Huller Machines Technology in Salak District in Improving Coffee Post-Harvest Efficiency and Effectiveness Karina Nola Sinamo; Putri Chandra Ayu; Sentosa Ginting; Edy Syahputra Harahap
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 10 No. 2 (2025): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v10i2.18277

Abstract

Robusta coffee is one of the superior agricultural varieties in Salak District, Pakpak Bharat Regency because it has a strong aroma and a more bitter taste. Partner of one of the robusta coffee farmers in Salak District still use traditional tools to peel the coffee cherries they cultivate. This is an obstacle in the post-harvest processing of coffee. This coffee fruit peeling tool requires a lot of manpower, a long time, and a large percentage of unpeeled coffee cherries. Therefore, the community service team helped overcome the partner's problem with the aim of implementing post-harvest technology in coffee bean production. The method used was the provision of pulper and huller machines and practical training in using these machines in the application of post-harvest coffee processing. The results obtained were that almost 100% of the coffee fruit skin and coffee horn skin were peeled using the pulper and huller machines. The percentage of coffee beans produced by the pulper machine is 64-74% of wet coffee cherries and the percentage of dry coffee beans without horn skin produced by the huller machine is 38,18-42,19% of peeled coffee beans with pulper machine.
Implementation of Fermented Food and Clean and Healthy Living Behavior (CHLB) Education for Elementary School Students a t Public Elementary School 068003 Medan City Karina Nola Sinamo; Ecia Meilonna Koka; Veronica Angelia; Nur Ulina W. Sebayang
Journal of Saintech Transfer Vol. 9 No. 1 (2026): Journal of Saintech Transfer
Publisher : Talenta Publisher Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jst.v9i1.25559

Abstract

Improving public health, including among early childhood populations, is an essential component of national development that aims to enhance awareness, willingness, and capacity to adopt healthy lifestyles, thereby achieving optimal health and well-being. One practical approach to achieving this goal is through educational interventions in elementary schools. This community service activity at Medan 068003 Public Elementary School implemented an educational program introducing fermented foods and Clean and Healthy Living Behavior (CHLB) to strengthen student’s knowledge, awareness, and daily health practices. The program used educational methods such as animated video presentations, pre- and post-tests, and interactive discussions. Materials covered the benefits and preparation of fermented foods, as well as the importance of CHLB implementation within the school environment. Students practiced proper handwashing and toothbrushing techniques. Additionally, “little doctors” were trained wound cleaning, managing nosebleeds, and measuring body temperature and blood pressure. The community service team also donated School Health Unit (SHU) equipment, including a bed, weighing and height scales, a thermometer, first aid kits, and a sphygmomanometer. The outcomes showed an increase in students’ knowledge of fermented foods from 63.57% to 85.14% and CHLB from 63.95% to 89.07%, demonstrating the effectiveness of this educational intervention.
Improvement of Students’ Knowledge, Attitudes, and Behaviors Regarding Dental Health through Animated Video Education, Tooth Brushing Practice, and Little Dentists Formation Veronica Angelia; Karina Nola Sinamo; Ecia Meilonna Koka; Nur Ulina W Sebayang
Journal of Saintech Transfer Vol. 9 No. 1 (2026): Journal of Saintech Transfer
Publisher : Talenta Publisher Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jst.v9i1.25134

Abstract

Dental health issues, especially dental caries, are a significant concern among Indonesian elementary school children, with the highest prevalence found in those aged 10–14 years. Poor dental hygiene, irregular tooth brushing, and high sugar consumption are major contributing factors. This study aimed to evaluate the effectiveness of animated video education, proper tooth brushing practices, and the establishment of "Little Dentists" in improving dental health knowledge, attitudes, and behaviors among fifth-grade students at SDN 068003 Medan. A quasi-experimental design with a pretest-posttest approach was used, involving 51 students. The intervention included animated video education, toothbrushing training, and the formation of Little Dentists, with data collected using an 18-item questionnaire to assess students’ knowledge, attitudes, and behaviors before and after the intervention. The results showed significant improvements in students’ knowledge (from 57% to 96%), attitudes (from 78% to 100%), and behaviors (from 10% to 71%) following the intervention. The Wilcoxon Signed-Rank Test yielded a p-value of 0.001, confirming the effectiveness of the intervention. In conclusion, the use of animated video education, proper tooth brushing practices, and the establishment of Little Dentists were effective strategies for improving dental health knowledge, attitudes, and behaviors among elementary school students.