IJRAP International Journal of Research in Ayurveda and Pharmacy 2277-4343 Moksha Publishing House DOI: 10.7897/2277-4343.04620 ANTIMICROBIAL PERFORMANCE OF ETHANOLIC EXTRACT OF ARECA CATECHU L SEEDS AGAINST MIXED-ORAL FLORA FROM TOOTH SCUM AND GRAM NEGATIVE LABORATORY ISOLATES Chin Ayessa A. Fernandez Clariza D. Sanchez Renalyn B. Santos Beatriz Marie S. Tolentino Regine F. Masangkay Frederick R.* 11 -0001 876 880 Areca catechu L. Agar-well diffusion Betel nut ethanol extract Gram-negative bacteria oral flora