Cooling Chinese sweet potatoes using the Dutch method

2021-11-11 07:29:17 By : Mr. Carlton Su

"Those beans from Jumbo (a supermarket chain in the Netherlands) are obsolete from Zambia? They are kept fresh in the Tolsma refrigerator." This is according to Tolsma's senior storage expert Huub Maerman. He easily lists local and overseas projects. In these respects, the Dutch company has established storage facilities. These apply to products other than potatoes, onions and carrots. These are the products that the storage specialist is mainly known for in the Netherlands.

Sweet potato is one of the newcomers. "These are easier to store than planting. You store them at around 13°C. Therefore, under Dutch conditions, you do not need to refrigerate. They can be stored in standard crates. But because it is a vulnerable Crops, damage repairs are needed"

Condensation drying According to Huub, there has been an increasing interest in the condensation drying of stored celery in recent years. He said it was easy to explain. "With celery, we must first be able to cool down quickly. Sometimes a batch is still very vital. Within a day, the temperature can rise by one degree."

"But you also need drying ability. You don't want the plants to become moldy. Then condensation drying is ideal." According to Maerman, condensation drying is also very suitable for garlic preservation. "You store it at -3°C and 70% relative humidity. Cooling alone cannot be achieved."

The crucial early weeks Huub and his colleagues have many years of experience. This tells them that the first few weeks are essential for good storage results. This is true for all agricultural products. "A good start is half the battle, and the same is true in storage. You have to master everything from the beginning. You have to closely observe how the product arrives and react accordingly. Sometimes, for example, carrots are quite warm in October conditions of."

"Then fast cooling is important. Carrots have no skin. Therefore, they lose a lot of water at high temperatures. But some products arrive relatively dry, such as pumpkin. These also need to be stored with great attention immediately after consumption. Let Things slip and you are prone to mold or bacteria problems." Tolsma has the internal storage knowledge of all these "special" products. "If we don't know anything, we will sneak in," Huub said with a smile. "At Tolsma, we will not refuse easily."

Direct contact with customers This storage expert is also keen to find solutions related to storage technology. "Everything is done by ourselves, so we can switch quickly. We have direct contact with customers. Therefore, communication about work is always smooth. There is no middleman, usually half a word is enough. You always have a fixed The same goes for the point of contact with us."

Maerman pointed out that Tolsma is not just focusing on large new installations. "We regularly set up small warehouses to store various products. These are for organic growers or those who own farm shops. The'local for local' trend is driving this. We also often modify existing storage facilities. For example, Crop growers "are currently choosing mechanical cooling. This is combined with new germination inhibitors. This can usually be achieved well in existing storage facilities," Huub concluded.

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