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  Indian J Med Microbiol
 

Figure 3: Serial tube dilution technique followed to demonstrate the MIC procedure for the antibacterial activity of Catharanthus roseus leaf extract against Porphyromonas gingivalis, Prevotella intermedia, and Aggregatibacter actinomycetemcomitans. If the test organism is sensitive then clear tube is seen and if it is resistant then turbid is seen

Figure 3: Serial tube dilution technique followed to demonstrate the MIC procedure for the antibacterial activity of <i>Catharanthus roseus</i> leaf extract against <i>Porphyromonas gingivalis</i>, <i>Prevotella intermedia</i>, and <i>Aggregatibacter actinomycetemcomitans</i>. If the test organism is sensitive then clear tube is seen and if it is resistant then turbid is seen