Perbandingan aktivitas antioksidan ekstrak daging pisang ambon (Musa AAA "Pisang Ambon") dengan vitamin A, vitamin C, dan katekin melalui penghitungan bilangan peroksida = Comparison the antioxidant activity of ambon banana (Musa AAA "Pisang Ambon") pulp extract with vitamin A, vitamin C, and catechin by measuring the peroxide number