Fortified Nutritional Rice Production with Twin Screw Extrusion Technology

2026/09/10 12:55
Fortified rice (also known as nutritional rice) has become a popular functional grain product in the global food industry, widely applied in instant rice, daily staple food, and nutritional food supplementation. Different from traditional natural rice, this artificial nutritional rice is professionally processed and reshaped through advanced twin-screw extrusion technology, realizing efficient utilization of grain by-products and standardized nutritional enhancement.

Raw Material Utilization

The production of fortified nutritional rice adopts broken rice and rice flour as the core raw materials. These low-value rice by-products produced during rice milling are fully recycled and reused, which greatly reduces food waste, lowers production costs, and endows the final product with pure natural rice flavor and texture. Meanwhile, various essential vitamins, minerals and nutritional elements can be added according to customized formulas to make up for the nutritional deficiencies of ordinary rice.

Advanced Twin Screw Extrusion Processing Technology

The core molding process of fortified rice relies on a twin screw extruder, the key equipment for nutritional rice production lines. After precise batching and uniform mixing, the raw material mixture is delivered into the extruder barrel. Under the precise control of high temperature and high pressure inside the equipment, the rice starch is fully gelatinized, and all raw materials and nutritional additives are evenly fused and plasticized. Through the specific rice-shaped die head, the materials are continuously extruded and cut into uniform rice grain shapes, completing rapid curing and one-time molding.

Complete Post-Processing Procedure

After extrusion and molding, the newly shaped rice grains contain excess moisture. The semi-finished products will be transported to a professional dryer for constant-temperature drying treatment, which effectively removes residual moisture, ensures stable product quality, and extends shelf life. After full drying, the rice grains go through natural cooling and screening processes to remove broken grains and unqualified products.

Product Features and Application Scenarios

The finished fortified nutritional rice is identical to ordinary natural rice in appearance, grain shape and color, with smooth grain surfaces and uniform size. Compared with conventional rice, it has richer and more balanced nutrition, as well as better rehydration performance and cooking resistance. It is an ideal raw material for instant rice, quick-cooking rice, pre-packaged nutritional meals, and daily fortified staple food.

Production Line Advantages

The full-automatic twin-screw extrusion fortified rice production line features stable operation, high output, low energy consumption, and flexible formula adjustment. It can produce customized nutritional rice with different nutritional ratios, grain sizes and textures to meet the diverse market demands of civilian catering, nutritional health care, and emergency fast food. The whole production process is environmentally friendly, hygienic, and in line with international food production standards.