ISOLATION OF SECONDARY METABOLITE COMPOUNDS AND ANTIBACTERIAL ACTIVITIES TESTS FROM HEXANE EXTRACT OF STEM BARK MELOCHIA UMBELLATA (HOUTT) STAPF VAR. DEGRABRATA K Journal title: Asian Journal of Pharamceutical and Clinical Research Authors: Usman Usman, Muh Amir M, Nunuk Hariani Soekamto, Ahyar Ahmad, Maulidiyah Maulidiyah Subject(s):