fermentation

a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol

बज्जिका में लिखा है आरीवे देस कूलीज़ आनीनेम, सिर्का अठारह सौ साठ ।

When bacterial cells reach maximum concentration, they are killed and discharged from the fermentation tanks for concentration by centrifugation.