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All Journal Jurnal Agro Indragiri Journal of Innovative and Creativity
Santaro Marito Nadeak
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Identification of Microbial Contamination in Street Food Around Universitas Negeri Medan Larasati Arum Utami; Idramsa Idramsa; Artika Rindiani; Najwa Liliana; Nita Maya Sari Pane; Santaro Marito Nadeak
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.2647

Abstract

Street food remains a popular choice for students due to its affordability and convenience. Its rapid preparation and service contribute to its ongoing popularity. The university, including Universitas Negeri Medan, is often surrounded by numerous street vendors offering a diverse range of foods, predominantly made from meat and flour. However, the open exposure of these foods and insufficient sanitation practices pose a heightened risk of contamination by harmful microorganisms. This study examines bacterial contamination in processed meat-based street foods sold near Universitas Negeri Medan, with a focus on items such as meatballs, grilled meatballs, and batagor. Microbiological examination involved isolating bacteria using selective and differential culture media, particularly Eosin Methylene Blue Agar (EMBA). Subsequent identification was carried out using Gram staining to determine cell morphology and SIM (Sulfide Indole Motility) medium for motility assessment in the microbiology lab at Universitas Negeri Medan. Findings revealed contamination predominantly in grilled meatballs, with bacteria belonging to the Enterobacteriaceae family detected. These isolates were characterized as Gram-negative, rod-shaped, and motile microorganisms. The presence of such bacteria raises serious concerns about food safety. It emphasizes the need for improved hygienic practices and rigorous food safety control measures in street food vending areas around the university. Implementing these measures is essential to safeguard student health and maintain the standard of street food quality on campus.
EFEKTIVITAS PENGGUNAAN POC DARI LIMBAH ORGANIK NASI BASI DAN KULIT PISANG UNTUK MENINGKATKAN PERTUMBUHAN SAWI MANIS (Brassica juncea) Santaro Marito Nadeak; Karlyle Rymulan Parhusip; Addina Novita Lorensyah; Catherina Theresia Siburian; Egita Indah Sabarita Tarigan; Ester Viona Sinaga; Idramsa; Adelia Febriyossa
Jurnal Agro Indragiri Vol. 11 No. 2 (2026): Jurnal Agro Indragiri
Publisher : Fakultas Pertanian, Program Studi Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/kwh4wc67

Abstract

Penggunaan pupuk kimia secara berlebihan dapat merusak kualitas tanah dan meningkatkan biaya produksi. Oleh karena itu, pemanfaatan limbah organik rumah tangga seperti nasi basi dan kulit pisang sebagai bahan baku pupuk organik cair (POC) menjadi alternatif yang ramah lingkungan dan ekonomis. Penelitian ini bertujuan untuk mengetahui efektivitas serta konsentrasi optimal POC dari nasi basi dan kulit pisang terhadap pertumbuhan sawi manis (Brassica juncea). Metode yang digunakan adalah eksperimen dengan tiga perlakuan konsentrasi POC (25%, 50%, dan 75%) serta satu kontrol, masing-masing dengan tiga kali ulangan. Parameter yang diamati meliputi tinggi tanaman, jumlah daun, lebar daun, dan berat basah. Data dianalisis secara statistik sederhana dengan menghitung nilai rata-rata setiap perlakuan. Hasil penelitian menunjukkan bahwa konsentrasi 25% memberikan hasil terbaik pada semua parameter pertumbuhan, yaitu tinggi tanaman 6 cm, jumlah daun 4 helai, lebar daun 0,9 cm, dan berat basah 2,8 gram. Dari hasil penelitian yang telah dilakukan diperoleh kesimpulan bahwa POC dari nasi basi dan kulit pisang efektif meningkatkan pertumbuhan tanaman sawi manis terutama pada konsentrasi 25%. Namun, tidak terdapat perbedaan yang signifikan antar perlakuan berdasarkan uji F.
Co-Authors Addina Novita Lorensyah Adelia Febriyossa Artika Rindiani Catherina Theresia Siburian Egita Indah Sabarita Tarigan Ester Viona Sinaga Idramsa Idramsa Idramsa Karlyle Rymulan Parhusip Larasati Arum Utami Najwa Liliana Nita Maya Sari Pane