Gayo area is the largest Arabica coffee production in Asia. The materials used this research were beans which are natural, semi-washed, and fully-washed processed coffee. This study aimed to determine physicochemical of green bean will various processing. moisture content three 9.78%, 9.60% 11.03% for semi-washed full-washed processing, respectively. ash ranged from 3.19% natural processing 4.3...