Dehydrated carrot grains have been in short supply in Europe, Japan, and South Korea in recent years and are ideal export foods. 1. Process selection - cleaning - trimming - pelletizing - blanching - sugar - drying - sorting - packaging - the finished product 2. Process operation points (1) the choice of materials to produce high-quality carrot pellets, we must first select the long root The flesh was orange-red, with smooth surface and few fibrous roots. Fresh and crisp, hypertrophy, and thin skin fibers were not selected. There were no bifurcations, bolting, lesions, and mechanical damage. The amount of pesticide residues did not exceed the national food hygiene standards. Carrots. (2) Cleaning Put the qualified carrots into a flowing clear water bath and soak them to remove sediment, dirt and other impurities. Conditional use of rolling washing machine for cleaning. (3) Drain the raw materials and manually remove the stains from the dark spots, roots and depressions remaining in the carrot, and then peel them. Peeling removes most of the bitter ingredients. Artificial peeling is generally used. A clean wooden board is placed on the table. One end of the carrot is supported on the wooden board. Peeling is easy and quick. Cut the top after peeling and dig out the middle yellow core. After trimming, rinse with running water and drain. During the dressing process, black spots, yellow cores, and skins must be removed. Otherwise, the appearance quality will be affected and the finished product level will be reduced. At the same time, the sorting workload will also increase. (4) Pellets According to the technological requirements, the raw materials are pelletized with a vegetable cutter. The common specifications are 10mm 10mm 10mm, 8mm 8mm 8mm, and 5mm 5mm 5mm. The first two types of specifications are generally used, and the latter is less commonly used due to the irregular shape after drying. During the pelleting operation, the blade should be kept sharp, and the spacing of the blades should be constantly tested and adjusted to prevent sizing, ensure uniform particle size, and meet the size requirements. (5) The purpose of blanching and blanching is to make raw materials bright color, flexible structure, eliminate odor, prevent browning. Put carrot grains into boiling water for 4-5 minutes and remove. Cool immediately with cold water and drain. The blanching time should be appropriate, the time is short, the finished product color is not pure, individual grain surface is grayish, color, hot, too poor, poor shape. When conditions are available, drug assays can be used to determine the extent of enzyme breakdown and inhibition. (6) Sugar Mix the glucose powder into the Carrot F grains to increase the color and sweetness of the finished product. Sugar content is 6% to 8% of fresh grain. Mix well. (7) Drying and drying is the most important process of this process, and it directly affects the output, quality and cost of the product. Industrial production generally adopts mechanical ventilation drying method. The heating carrier is steam. The advantage of this method is that the air temperature, humidity and flow rate can be adjusted and controlled, the drying time is short, and the product quality is good. The sugar-coated carrots are spread on a baking tray and the thickness is even and moderate. The baking trays are layered and placed in the drying rack. The maximum drying temperature is 65-75°C. The drying time is related to the type of raw material, particle size, and temperature. Generally, it is about 6 hours. When the moisture content of the dried product is less than 8%, it is moved to outdoor cooling. After it is cooled to room temperature, it is immediately loaded into a plastic bag and the bag is tightly closed. Damp. (8) Sorting In a clean and bright room, dry products are placed on the table, sorting, removal of the yellow core, black spots, impurities, and then graded according to inspection standards, packing immediately after sorting. (9) Packing and packaging materials adopt export cartons, built-in double-layer plastic bags, the film thickness is not less than 0.07-0.08 mm, and immediately after weighing, the bags are fastened. Each net weight 25 kg. After packaging, give it to the finished product store, the storage temperature should be lower than 14 °C, the temperature is too high, the product is easily oxidized and deteriorated. 3. Problems to be Solved in Production Each process in the production process must be carried out continuously, and there should not be a long pause between the processes. Otherwise, the product quality will be affected. Especially when there is a power outage, standby power should be started in time. If there is no backup power supply, the semi-finished products in the drying room shall be immediately taken out, spread out in the outdoor ventilated place, let it dry naturally, and the power supply will be quickly sent into the drying room for further recovery. In the production process, water quality, environment, equipment, personnel, etc. should all pay attention to hygiene, which is a necessary condition for ensuring product quality. How much sugar or sugar added or not, should be executed according to the requirements of foreign customers. Wastes from the production process should be recycled and used after adding working feeds to reduce production costs.
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