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Uji Aktivitas Antibakteri Ekstrak Metanol Rumput Laut (Kappaphycus alvarezii) pada Berbagai Tingkat Konsentrasi terhadap Pertumbuhan Bakteri Streptococcus mutans
Red algae Kappaphycus alvarezii contain flavonoids compound which has activity as an anti bacterial. This study aims to determine the difference of inhibition zone of the growth of Streptococcus mutans bacteria by seaweed methanol extract (K. alvarezii) at each concentrations. This research was conducted by post-test only design (one-shot case study) with a variable treatment of the seaweed methanol extract (K. alvarezii) against S. mutans. Extracts were then divided into 7 concentration of 5%,fatcat:fy7x6wsxkfad5osz65obl5i2de