The
treated rice bran was immediately cooled to room temperature. For
freeze-drying followed by dry-heating (FDDH), rice bran was
freeze-dried using a freeze-dryer (SFDSM06, Samwon Freezing
Engineering Co., Busan, Korea) until the moisture content reached
below 3%, and then dry-heating was carried out at 80 or 100 C as
described.