STUDI POTENSI FITOBIOTIK Vernonia amygdalina DAN PROBIOTIK Lactobacillus fermentum SEBAGAI PENGHAMBAT PERTUMBUHAN BAKTERI Salmonella sp
Abstract
Vernonia amydalina (F1K1) 40%, (F2K2) 50%, (F3K3) 60% dan Lactobacillus fermentum P1K1 25 µL, P2K2 50 µL, P3K3 75 µL. Variabel yang diamati daya hambat pertumbuhan Salmonella sp dan nilai pH. Hasil analisis ragam menunjukkan bahwa penggunaan fitobiotik Vernonia amygdalina menunjukkan pengaruh sangat nyata (p>0,01) terhadap daya hambat pertumbuhan
Salmonella sp. Rataan daya hambat (%) F1K1= 28.33, F2K2= 29.72, F3K3= 32.36. Rataan pada probiotik Lactobacillus fermentum (%) P1K1= 37.08, P2K2= 42.63, P3K3= 43.75 dan kontrol P0+ = 60,83, P0- = 0. Rataan nilai pH fitobiotik Vernonia amydalina F1K1= 7,6 , F2k2= 7,5 , F3K3= 7,4. Lactobacillus fermentum P1K1= 6,2 , P2K2= 6,1 P3k3= 5,3 dan Kontrol positif P0+ = 7,4,
kontrol negative P0- = 7,7. Kesimpulan fitobiotik Vernonia amygdalina mampu menghambat pertumbuhan Salmonella sp hingga 32% dan probiotik Lactobacillus fermentum mampu menghambat pertumbuhan Salmonella sp hingga 44%.
Kata kunci : Vernonia amygdalina , L. fermentum, daya hambat pertumbuhan ,Salmonella sp, dan
nilai pH.
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