Table S1. Ingredients and alcohol content information listed on the sample labels

Sample	Alcohol	Starchy raw material	Fermentation agent	Yeast	Sweetener	Acidulant
M1	10	Rice	Traditional nuruk
M2	8	Rice, wheat flour	Refined enzyme, Ipguk	○	Aspartame, rice syrup, glucose, isomaltooligosaccharide
M3	6	Rice, puffed rice	Traditional nuruk, Ipguk	○	Maltooligosaccharide, aspartame	Citric acid
M4	6	Rice	Traditional nuruk	○
M5	13	Rice	Traditional nuruk (Self-production)
M6	6.5	Rice	Traditional nuruk (Self-production)		Rice syrup, sugar, aspartame