| 摘要 |
PURPOSE:To obtain a roasted vegetable having good flavor, by heat-treating a vegetable in a twin-screw extruder. CONSTITUTION:A fat or oil is added to a vegetable, and then the resultant mixture is heat-treated in a twin-screw extruder. Leaf vegetables, steam vegetables, flower vegetables, fruit vegetables, root vegetables, etc., may be cited as the vegetable to be used. The vegetables are thoroughly washed to remove unnecessary parts of periderms, cores, etc., for use. Either one of vegetable fat and animal fat may be used as the fat or oil. The amount of the fat or oil to be added is preferably 0.3-300wt% based on the raw material vegetable. The amount of water to be added can be variously selected according to the use, but is preferably up to about 300wt%. Any type of twin-screw extruders having the basic characteristics of transfer function of raw materials with a high water and high oil content and mixing, compressing, pulverizing, heating and liquid injecting function in the course etc., may be used. |
