It is found that material disposal, quality of Asp. oryzae spore powder and environment conditions influenced koji-making effect and aeration had pivotal function in koji-making process.

• 研究和探讨了原料处理、米曲霉孢子粉质量和环境条件对制曲效果的影响,并确定通风在制曲过程中的关键性作用。