The present invention relates to smoothly perform the fermentation of cooked beans packed in a container, yet the drying of the surrounding mass of boiled beans. As well as prevent, to provide a natto container that prevent it from reddish by air burnt. As well followed by providing the first step fitting portion 24 in A container body 2 of the flange 23, It provides a rib 27 of a large number of vertical to the side wall portion 26. Concave on the inner side of the flange 43 in the lid 4. Providing the second stepped engagement portion 44 on the side wall of the outside is provided with a section 41. To the container body 2. When covered with the cover 4, the stepped fitting portions 24 and 44 of both are in close contact, the air from inside the gap. It will not go into. In addition, the bottom 22 of the container body 2 provided with a four-sided pyramid-shaped protrusion 28, its surface. In by providing a large number of small projections 29, natto 6 filled is wider towards the foot of the projections 28. Wants to become a flat, to penetrate the air is good for the fermentation to the center of the lumps of natto 6 fermentation of natto. it is possible to sufficiently perform.BACKGROUND 4.
展开▼
