fermented

verb

1. (form-of, participle, past)simple past and past participle of ferment

adj

1. Produced by fermentation.

   “During the Goguryeo kingdom (37 B.C. to A.D. 668), the Maek people in the northern Korean Peninsula ate maekjeok, a dish of grilled pork marinated in doenjang, a fermented soybean paste. Years later, maekjeok evolved into neobiani, a dish of broad, thin slices of beef tenderized and grilled over flames. A feature of royal court cuisine during the Joseon dynasty (1392 to 1910), neobiani is considered a predecessor to today’s beloved bulgogi.”

2. Of food or drink, turned sour due to unwanted fermentation.