EFEKTIVITAS ANTIBAKTERI DAN KADAR FENOLIK TOTAL EKSTRAK DAUN YAKON (Smallanthus sonchifolius) DENGAN VARIASI DAERAH BUDIDAYA TANAM DAN LAMA WAKTU EKSTRAKSI
EFFECTIVENESS OF ANTIBACTERIAL AND TOTAL PHENOLIC CONTENT FROM YACON LEAF EXTRACT (Smallanthus sonchifolius) WITH VARIATION OF CULTIVATION AREA AND TIME OF EXTRACTION