
Duc Hue Lam Dong Company's durian packaging factory in B'Lao ward currently has about 30 tons of frozen durian in its cold storage. Mr. Tran Van Vinh - the company's manager said that this is a batch of frozen durian prepared for export to the US market. "Vietnamese durian is mainly exported in two ways, one is exporting fresh fruit, the other is freezing separated segments. Particularly in the US and European markets, consumers only use fresh whole durian; customers require deep freezing, preserving the color and quality of the fruit. Duc Hue Lam Dong Company is actively implementing the freezing of durian using deep freezing technique with liquid nitrogen to export to this high-end market," Mr. Vinh shared.
According to Mr. Tran Van Vinh, frozen durian is fully ripe. Therefore, when choosing fresh fruit to freeze, it must also reach the required maturity, using a high-pressure air compressor to spray each fruit to completely remove mealybugs as well as pests. After the incubation period, the fruit will be ripened to the standard level and then frozen. Currently, Duc Hue Lam Dong Company has 2 freezing techniques, regular freezing with a time of 6 hours for the fruit to reach a temperature of -50 degrees Celsius and deep freezing with nitrogen gas, the fruit will reach a temperature of -50 degrees Celsius within 2 hours. After freezing, the fruit is stored in a cold storage with a suitable temperature. If the freezing technique with liquid nitrogen is performed correctly, the durian after thawing will retain its color, fresh taste, and sweetness like fresh ripe fruit. If the freezing technique is not correct, when thawing, the fruit will be "cold burned", greatly affecting the color and flavor of the durian. Of course, when exported, frozen durian is also transported in refrigerated containers, ensuring that its quality is maintained when it reaches consumers.
Not only Duc Hue Lam Dong Company is applying deep freezing technique with liquid nitrogen, many export enterprises in the area are also applying this technique for durian. Mr. Phan Van Duoc - owner of Minh Hoang Khoi business establishment said, Minh Hoang Khoi durian brand is also applying deep freezing with liquid nitrogen for peeled durian products and whole durian of the farm. Located in Ha Lam commune, Minh Hoang Khoi has applied deep freezing to export whole durian and some peeled products for export to Taiwan (China), Australia... According to Mr. Duoc, applying deep freezing technology helps durian to be preserved for a long time, can be distributed and exported periodically, reducing seasonal pressure for enterprises. Deep frozen durian has a much higher quality than normal freezing, the quality after thawing is guaranteed to be almost equal to fresh fruit.
Large agricultural processing enterprises such as TS Food (Hoa Bac commune), B'lao Food (Loc Son Industrial Park), Truong Hoang Lam Dong (Phu Hoi Industrial Park), Vien Son Joint Stock Company (Hiep Thanh commune) ... are all implementing deep freezing technology to process durian for export. This is a strong change in technology to improve the quality of highland durian.
Lam Dong’s agricultural sector has supported deep freezing technology using liquid nitrogen for a number of agricultural processing enterprises, including durian freezing, with a budget of billions of VND. In the coming time, Lam Dong will continue to support enterprises in innovating technology to improve the quality of durian after harvest, serving export needs as well as domestic consumption.
Source: https://baolamdong.vn/cap-dong-sau-rieng-xuat-khau-394880.html
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