fermentasi aceh asam drien fermentation lactic acid bacteria Aceh ammonium sulfate arabika gayo asam sunti cascara pulp seduhan - Acetobacter sp. Gluconobacter sp Agroindustry Arenga Pinnata Bioethanol CMC Chitosan Fcocoa fermentation Fermentation Gayo LAB Temperature aceh cocoa alcalase asam oksalat bacterial cellulose bakteri asam asetat bilimbi canna starch civet coffee cupping quality cut test dry starter fermented durian fermented fish flavourzyme food science hidrolisat protein ikan hidrolisis kakao konsentrasi gula kopi luwak kwetiaw limbah ikan microorganism minuman sari pulp kopi nata de coco