According to the present invention, a food washing device (1) that washes food using electrolyzed water is provided with a washing tank (10) that accommodates food as items to be washed and is supplied with electrolyzed water and a measurement vessel (30) into which the electrolyzed water flowing out from the washing tank (10) flows during the period in which the food is washed, wherein the progress of the washing can be evaluated according to the level of reduction of the effective chlorine concentration in the electrolyzed water stored in the measurement vessel (30).本發明提供一種食品洗淨裝置(1)，係使用電解水來洗淨食品的洗淨裝置，其具備：洗淨槽(10)，用以收容作為被洗淨物的食品，且供給有電解水；以及測量容器(30)，其在食品的洗淨期間使從洗淨槽(10)所流出的電解水流入；可以按照已積留於測量容器(30)內的電解水之有效氯濃度的降低程度，來判定洗淨的進度。
