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All Journal CHEESA: Chemical Engineering Research Articles Pelita Eksakta
Maida, Margarita Claudya
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics Other

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The Antibacterial Potential of Ethyl Acetate Fraction from Plectranthus amboinicus Leaves and Identification of Active Compounds Using LC-MS Martha, Rahma Diyan; Safitri, Yunita Diyah; Lestari, Nasa Bela Dwi; Danar, Danar; Parbuntari, Hesty; Maida, Margarita Claudya; Muadifah, Afidatul; Huda, Choirul
CHEESA: Chemical Engineering Research Articles Vol. 7 No. 1 (2024)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v7i1.13826.15-23

Abstract

The Indian Borage plant (Plectranthus amboinicus) is a traditional medicinal ingredient in Indonesia, containing flavonoids, alkaloids, polyphenols, saponins, and essential oils. Therefore, this study aimed to determine the antibacterial activity of P. amboinicus leaves ethyl acetate fraction using the disc diffusion method and identify the composition with LC-MS. The antibacterial activity test was conducted with concentration variations of 15%, 20%, and 25% with Chloramphenicol 500 mg and 5% DMSO as a positive and negative control, respectively. The results showed that the ethyl acetate fraction at a concentration of 20% had the largest inhibition zone diameter, with an average of 30 mm. The LC-MS results identified 115 compounds, and the highest concentration values were found in kaempferol 3-(6”-caffeoylglucoside) and kaempferol 3-glucosyl-(1→2) galactosyl-(1→2)-glucoside, with a composition of 3.26109% and 3.26141%, respectively.
Improving the Skills of Posyandu Cadres in Processing Nipah Fruit into Nutrient-Rich Functional Foods to Prevent Stunting in Katapiang Village, Batang Anai District, Padang Pariaman Regency Iryani, Iryani; Iswendi, Iswendi; Kurniawati, Desy; Amelia, Fitri; Suryani, Okta; Parbuntari, Hesty; MAIDA, MARGARITA CLAUDYA; Rivaldo, Ifan
Pelita Eksakta Vol 8 No 2 (2025): Pelita Eksakta, Vol. 8, No. 2
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol8-iss2/302

Abstract

Stunting remains a major public health issue in Indonesia, including in Padang Pariaman Regency, where the prevalence reached 28.3% in 2021 and declined to 19.4% in 2023. Efforts to prevent stunting require a community-based approach that utilizes local resources, one of which is the nipa palm fruit (Nypa fruticans), known for its high nutritional content and potential as functional food. This Community Service Program (PKM) aimed to enhance the knowledge and skills of Posyandu cadres in Nagari Katapiang in processing nipa fruit into nutritious and economically valuable food products. The methods included nutrition education, dissemination of information on nipa fruit potential, and training on appropriate technology for processing nipa into food products such as jam, nuggets, and meatballs. Evaluation was carried out through pre- and post-activity questionnaires. The results showed a significant increase in cadres’ knowledge of nipa’s nutritional content (from 20% to 100%) and health benefits (from 30% to 100%). Perceptions of nipa’s role in stunting prevention also increased from 25% to 95%. Furthermore, practical skills in producing nipa jam improved, where all participants who had never tried before were able to produce processed products after the training. Thus, this PKM activity successfully enhanced the knowledge and practical skills of Posyandu cadres, while demonstrating the potential of nipa fruit as a local food innovation supporting stunting prevention efforts.
Co-Authors Danar Danar Desy Kurniawati Fitri Amelia Ifan Rivaldo Iryani Iryani Iswendi iswendi Lestari, Nasa Bela Dwi Muadifah, Afidatul Parbuntari, Hesty Rahma Diyan Martha Safitri, Yunita Diyah Suryani, Okta Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono