Provided is a technique of extracting a component in a food from the food by using a reducing agent that is inexpensive and has a mild reducing action. The dicots can include soybeans and cotton. The signal conditionerswitching device is also arranged in connection with the chassis and adapted to be connected to one or more of the video devices being tested. The storage case includes a locking mechanism to selectively secure the storage case in the expanded position. A controller applies phase shift values to a multi-region phase array at a frequency sufficiently higher than the flicker fusion rate of the human eye or other intended receiver in order to remove the perception of speckling artifacts which would otherwise appear due to the coherency of the light. Thereafter, the melted resin is set, so that a resin mold product including the board and the set resin is formed.