PRODUCTION OF ROASTED SWEET POTATO DISTRIBUTABLE AT NORMAL TEMPERATURE AND PRESERVABLE FOR LONG PERIOD OF TIME

摘要

PURPOSE: To provide a production method of roasted sweet potato preservable at normal temperature for a long period of time and not changing its color during storage. ;CONSTITUTION: A sweet potato is roated at 200°C for one hour, cooled to a state of the potato to be held by a hand and heated and sterilized by using a packaging material having low oxygen permeability such as laminated aluminate film, replacing air in a package with nitrogen by a gas packing type packaging machine so as to maintain the central temperature of the potato sealed in an atmospheric pressure state at 105°C for 10 minutes. The prepared product has no wetting of skin and no change in the color of roasted sweet potato even after long-term preservation.;COPYRIGHT: (C)1995,JPO