Instructions for properly drying spinach to preserve nutrition

Spinach after going through the freeze-drying process is an effective solution to preserve and take advantage of the benefits of this vegetable. The freeze-drying process is carried out extremely carefully, keeping the natural flavor and nutritional value of the spinach maximally preserved. The final product is not simply a convenient food, but also an important source of nutrients for daily meals.

Freeze-dried spinach not only retains fiber but also retains other important nutrients, making it an ideal health option. The convenience of using this product lies in its ability to prepare quickly and simply during hurried meals, while ensuring the freshness and crispness of the spinach.

With its combination of nutritional benefits and convenience, freeze-dried spinach becomes a valuable addition to a healthy diet. Businesses can take advantage of fresh, clean raw materials to produce quality freeze-dried products, meeting the market’s increasing demand for safe and nutritious food.

Spinach is a leafy vegetable rich in minerals
Spinach is a leafy vegetable rich in minerals

Nutritional value of freeze-dried spinach

Spinach, also known as spinach, is not only a popular amaranth but also a significant nutritional treasure in the food world. This vegetable has a long history of cultivation, starting in ancient Persia and then spreading to China about 1,500 years ago. The passage of time has made spinach an important part of the cuisine in many countries around the world, while also making an important contribution to a healthy diet.

Spinach is not only famous for its delicious taste but is also a rich source of minerals and vitamins. They are a good source of potassium, zinc, magnesium, iron, calcium, and many vitamins such as folate, niacin, vitamin A, vitamin B6, vitamin C, vitamin K, vitamin B1 (thiamine), vitamin B2 (riboflavin) and other vitamins. other. The nutritional diversity of spinach makes it an important part of a healthy, balanced diet.

The applicability of spinach in culinary preparation is extremely flexible. You can use it in fresh salads, sweet and sour stir-fries, cool soups, or even delicious fried eggs. The combination of the natural flavors of spinach and other ingredients creates unique and attractive dishes.

Spinach is washed and placed evenly on the drying tray of the SUNSAY cold dryer
Spinach is washed and placed evenly on the drying tray of the SUNSAY cold dryer

In addition, to take advantage of the benefits of spinach more effectively and conveniently, many businesses have chosen the drying method to preserve the vegetable, keeping its quality and nutritional value intact. The SUNSAY freeze-drying method is the preferred choice, bringing many outstanding advantages. Ensuring the original color, flavor and nutritional value are maintained, while ensuring food safety and hygiene. Smart drying technology and green drying not only keep the product durable but also protect the environment. This means that spinach is not only a rich source of nutrition but also ensures stability and safety for consumers’ health.

How to freeze spinach using a freeze dryer

Step 1: Wash the spinach

After being harvested, spinach needs to be washed to remove dirt and impurities. Use an industrial washing machine with a specialized vegetable washing solution to ensure the vegetables are completely cleaned.

Step 2: Dry the vegetables

After washing, spinach needs to be dried to remove excess water from the washing process. This can be done by placing the vegetables on drying trays in a windy area, allowing the vegetables to dry naturally. This helps reduce drying time and maintain the natural color of vegetables.

The color of spinach after freeze-drying is almost unchanged
The color of spinach after freeze-drying is almost unchanged

Step 3: Dry the vegetables with a towel

Use a clean towel or paper towel to dry the spinach. This helps ensure that there is no stray water on the surface of the vegetables, increasing the efficiency of the drying process.

Step 4: Set the drying mode

The drying mode on the dryer needs to be set to suit the specific type of spinach and the desired level of dryness. Temperatures around 50-60 degrees Celsius are often a popular choice, and drying time also depends on the characteristics of the vegetable. Pre-designing the drying program based on technical research helps optimize time and energy.

Step 5: Check dryness

Once the drying process is complete, the spinach needs to be checked for dryness. They need to be completely dry to ensure stability and avoid the growth of bacteria or mold during storage. A residual amount of water can cause moisture and reduce the quality of the product.

Step 6: Pack and preserve

After checking for dryness, dried spinach can be packed into sealed bags or boxes for storage. Packaging needs to be done in a clean and safe environment to ensure no bacteria or impurities are added. Discreet packaging helps preserve the quality of spinach and ensure food safety and hygiene for consumers.

Choosing a quality dryer is important to ensure that the drying process is carried out effectively and that the nutritional value of the spinach is maintained. SUNSAY freeze-drying technology is highly appreciated for its outstanding advantages such as preserving color and flavor, fully preserving nutrients, and at the same time ensuring food safety and hygiene.

When dried, spinach can be easily preserved or finely ground into powder
When dried, spinach can be easily preserved or finely ground into powder

Quality SUNSAY spinach dryer

Use Food heat pump dryer for fresh spinach:

  • To preserve the beautiful color and high nutritional content of fresh spinach, freeze drying is the best choice. You can use agricultural dryers specifically designed for this. These machines are usually capable of controlling the temperature in the range of 50-70 degrees Celsius, helping to maintain the freshness and nutrition of vegetables.
  • However, it should be noted that using a freeze dryer may cause some nutrients to be lost compared to the fresh state. This is because the freeze-drying process can affect some sensitive enzymes and vitamins. However, compared to other drying methods, freeze drying keeps vegetables retaining more nutritional properties.
3D convection air dryer with 40 trays
3D convection air dryer with 40 trays

Using a freeze dryer for fresh spinach:

  • If you have a high budget and want to ensure high efficiency in the drying process, a vacuum (sublimation) dryer is an ideal choice. This machine creates a vacuum environment to effectively remove water from vegetables, retaining the color and nutritional quality of spinach.
  • However, the use of vacuum dryers requires a large investment, and it is often applied in large processing plants. This helps to better preserve the quality of the product and maintain its nutritional value.

Depending on production scale and budget, businesses can choose between a freeze dryer or a vacuum dryer to ensure fresh spinach is dried in the most effective way.

Advantages of SUNSAY cold dryer

  • Preserving product quality: Because the product is dried at low temperatures, it does not affect the color, does not change properties, retains color and flavor much better than hot drying.
  • Preserving product flavor: For some products with odors or essences, loss rates are reduced due to the completely sealed system.
  • Ensuring the highest hygiene: Completely closed freeze-drying system, no air is released, no outside air is sucked in. Hygiene.
  • Shorten drying time: The air is dried so the drying process happens faster, usually from 6 to 9 hours. For products that are not expected to dry quickly due to factors in the drying process, the drying time may be longer.

Contact SUNSAY cold dryer consultation

SUNSAY Vietnam cold dryer is always ready to advise and support on drying methods and preservation of food, fruits, agricultural products, and seafood. SUNSAY Refrigerated Dryer offers a completely new solution that saves time, reduces investment costs for users, and brings high economic efficiency. With a reasonable price, SUNSAY Refrigerated Dryer believes that the device This is completely worth investing in and using for a long time, bringing the most optimal results.

For detailed advice, please contact Hotline: 0935.995.035 or switchboard: 094.110.8888 or visit website: for support.

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