Optimasi perolehan lisat streptococcus macedonicus MBF10-2 melalui fermentasi skala diperbesar menggunakan Medium de Man, Rogosa, and Sharpe (MRS) soy peptone = Optimization lysate production of streptococcus macedonicus MBF10-2 with fermentation in large scale de Man, Rogosa, and Sharpe (MRS) soy peptone medium