IQF Frozen Litchi Fruit

Basic material picking and screening: Pick lychees that are 80% to 90% mature, full, brilliant in shade, without pests and diseases, and mechanical damages. After choosing, promptly deliver them to the processing plant for hands-on testing to eliminate soft, rotten, flawed, premature or over-mature fruits to guarantee the high quality of the raw materials. Cleaning and sterilization: Put the evaluated lychees right into a bubble cleaning equipment and wash them with running water to get rid of dirt, pollutants and pesticide residues externally. Then make use of a suitable fungicide for saturating and sanitation, such as chlorine dioxide service. The soaking time and concentration have to be strictly managed to make sure food safety and security and avoid adverse results on fruit quality. Shelling and core removal: Drain pipes the sanitized lychees, get rid of the shells and cores by hand or with the help of special mechanical equipment, attempt to keep the flesh intact, minimize flesh damages, and maintain the initial form and preference of the lychees. Shade protection treatment: Considering that the lychee pulp is really simple to oxidize and brownish after peeling off, the shelled and matched lychee pulp is promptly taken in a service consisting of color protectants such as ascorbic acid and citric acid. The shade protectant can effectively hinder the activity of polyphenol oxidase, stop the pulp from changing shade, and maintain its white shade and fresh appearance. Quick freezing: After shade defense, the lychees are drained pipes and equally spread out on the conveyor belt of the solitary quick freezer. They are quick iced up at a reduced temperature level of -30 ℃ to -50 ℃, to make sure that the water in the lychee pulp promptly forms fine ice crystals. The lychee fasts icy up until the center temperature level reaches listed below -18 ℃, which can maintain the nutrients, flavor and taste of the lychee to the greatest degree and minimize the damages to the cell structure. Product packaging and storage: In a low-temperature environment, the quick-frozen lychees are packaged according to the specified weight and product packaging kind. Generally utilized packaging products consist of plastic bags, paper boxes, etc, and are promptly transferred to a freezer below -18 ° C for storage to avoid temperature level changes, prevent item thawing and quality degradation, make sure product top quality stability throughout storage and transportation, and prolong the service life of the item.