The objectives of the research were to analyze the effect of the proportion of mustard green leaves pulp and seaweed pulp (Eucheuma cottonii) on physical, chemical, and organoleptic characteristics of nori. This research used a factorial completely randomized design with two treatment factors, namely seaweed pulp proportion (A1= 40 % (160 g seaweed / 400 mL water), A2= 60 % (240 g seaweed / 400…