PROBLEM TO BE SOLVED: To provide a mustard seed capable of suppressing manifestation of pungency and bitterness, and achieving abundant repast and to provide a mustard.SOLUTION: There are provided a mustard seed capable of suppressing manifestation of pungency and bitterness, and a mustard prepared by milling the seed, by applying a physical chemical treatment to a seed (hereafter referred to as a mustard seed) of Brassica juncea or the like which is a raw material of a mustard. In the mustard seed and a production method of the mustard, the treatment includes immersion into a sufficient amount of salt water having a salt concentration of 15% or more, at room temperature for 10 days or longer.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】辛み及び苦みの発現を抑制し、多量喫食を可能とするカラシシード及びにカラシの提供。【解決手段】カラシの原料となるカラシナ等の種子(以下、カラシシードと称する)に物理化学的処理を施すことにより、辛み及び苦みの発現が抑制されたカラシシード及びにそのシードを摩砕して調製されたカラシ。上記処理が、食塩濃度が15%以上の十分量の食塩水に、常温で10日以上浸漬させるカラシシード及びにカラシの製造方法。【選択図】なし
