Airless is to put it on a special container and press the switch to automatically suck the air inside and create a vacuum state. In addition to being used for long-term storage of ingredients, it is also used for "short-time" cooking.
For example, "fried chicken seasoning", which is usually done overnight, is completed in 5 to 10 minutes. For fruit wines such as plum wine, it is said that the pickling required for about a month can be shortened to about 7 days.
In addition to the airless body, a sealed container (large / small) that is useful for time-saving cooking, a sealed glass container (large / small) for fruit wine, and a pack bag (large / small) with a zipper that is convenient for storing ingredients are available. I am. Yamazen's shopping site "YAMAZEN Living e-Shop" starts at 4,980 yen for the main unit and 1,880 yen for the special container (as of July 4, 2013).
Not only will it be "shorter", but it may also expand the range of cooking.