This required the separating out from traditional peka of two types of bacteria with especially powerful sugar-conversion capability, and breeding these bacteria in huge numbers in sealed vats.
這種新的釀造法，是在傳統的白麴中分離出兩種糖化發酵能力特別強的菌種，並且在密閉槽中大量繁殖這兩種菌種。