ANTIBACTERIAL ACTIVITY TEST OF POMELO PEEL EXTRACT (CITRUX MAXIMA PERICARPIUM) AGAINST PSEUDOMONAS AERUGINOSA AND ENTEROCOCCUS FAECALIS

Jeruk Bali (Citrus maxima) yang termasuk keluarga Rutaceae merupakan tanaman berasal dari Indonesia. Tanaman ini memiliki banyak fungsi terutama pada bagian kulit jeruk dimana terdapat kandungan pektin digunakan sebagai aktivitas antibakteri. Kebaruan penelitian karena meneliti tentang antibakteri ekstrak maxima pericarpium) terhadap bakteri Pseudomonas aeruginosa dan Enterococcus faecalis. Tujuan untuk menguji Metode menggunakan rancangan eksperimental Post-Test Only Control Group Design. Teknik maserasi dengan pelarut etanol 96% dalam pembuatan memperoleh filtrat. Diameter zona bening dinilai menentukan adanya Ciprofloxacin kontrol positif aquadest negatif. Media Mueller-Hinton Agar (MHA) konsentrasi 20%, 40%, 60%, 80% 100% beberapa pengulangan sebanyak 3 kali Hasil ditemukan bahwa hambat tertinggi terjadi rata-rata 16,33 mm terendah 20% rata 6,57 mm, sementara faecalis diperoleh 18,3 8,42 mm. Kesimpulan yaitu faecalis.Kata kunci: Kulit Maxima Pericarpium); Uji Aktivitas Antibakteri; Zona Hambat.Abstract Grapefruit maxima), which belongs to the family, is a plant native This has many functions, especially in orange peel where there pectin content widely used as an antibacterial activity. The novelty of study that it examines activity grapefruit extract against bacteria and aimed test research method uses experimental design, Design. maceration technique with ethanol solvent manufacture obtain filtrate. diameter clear zone was assessed determine presence positive control aqua dest negative control. medium concentration 80%, several repetitions much three times results found inhibitory on highest at average 16.33 lowest 6.57 while occurring obtained 18.3 8.42 conclusion