| 摘要 |
A process for par-boiling starchy grains such as rice comprising treating the starchy grains with water at a temperature of 120 to 180 DEG C under a pressure at least sufficient to retain the water substantially in its liquid state for a time sufficient to gelatinise at least the surface layer of the starch in the starchy grains. The grains may be treated under vacuum (e.g. 0.8 bar) before the hot water treatment. As shown, rice is fed from slot 1 into screw 7, which may be under vacuum supplied by pump 11, before passing into container 14 filled with hot water to level 19, the water being recirculated under pressure by pump 23 via water-treatment section 21. <IMAGE> |
