What is the best drying process and type of macadamia nut dryer?

Macadamia nut dryer not only helps to preserve better, save time and is not weather dependent, drying macadamia nuts with a dryer ensures the quality of macadamia after processing. Delicious flavors that appeal to all ages.

What is macadamia nut and origin of macadamia

Macadamia is the most precious hard fruit tree, the most delicious nut, the most versatile and the most expensive nut in the world. Its crunchy, fleshy, and aromatic characteristics appeal to all ages. The way of eating and processing is very rich from eating raw or in mixed dishes, roasting, poles, stewing soup, making cakes, ice cream, jam… has allowed Macadamia to transcend all ethnic, religious and traditional boundaries. culinary system to reach people around the world.

What are macadamia nuts?

Macadamia nuts, also known as macadamia nuts, this is a nut obtained from the macadamia tree (macadamia) is the name of a genus of woody plants, belonging to the family Proteaceae, group of nuts, seeds with hard shells, up to 12 inches tall. m.

To date, there are two species of macadamia that produce edible seeds, the smooth nut pod Macadamia integrifolia and the nut pod Macadamia tetraphylla, which are widely cultivated, and hybrids from these two species.

In our country, suitable areas for growing macadamia are the Central Highlands, the North Central and the North.

Origin of macadamia

Macadamia started as a forest tree in Australia, native to the State of Queensland, belonging to the family Proteaceae, genus Macadamia. H

Nutritional value of macadamia nuts

Macadamia nuts are crispy but not as hard as cashews or peanuts, eaten raw, boiled or fried with salty foods are delicious, stuffed in ice cream cups, Chocolate candies, cakes and many kinds of food All other sweets make these foods increase in value.

Macadamia nuts have a fat content of 78.2%, higher than peanuts (44.8%), cashews (47%), almonds (51%)…
The fat of macadamia nuts, 87% is acid Unsaturated fat is high, so Macadamia will be the choice for heart disease. Using macadamia nuts will help lower cholesterol.

The protein content in the kernel is up to 9.2%, including 20 amino acids, including 8 essential amino acids for the body. Macadamia oil is used in the cosmetic industry – a manufacturing industry that is growing at a very high rate due to the super-profit margin.

Macadamia nut kernels are milky white to yellow, accounting for nearly 1/3 of the weight of the nut. Macadamia nuts also have a sweet and very fleshy taste and a faint aroma of butter. Macadamia nuts are processed with a variety of traditional foods or served in luxurious banquets. Consumers consider macadamia to be the “Queen of dried fruit”, and nutritionists and medical experts now consider it a functional food.

The way of eating and processing is very rich from eating raw or in mixed dishes, roasting, poles, stewing soup, making cakes, ice cream, jam… has allowed Macadamia to transcend all ethnic, religious and traditional boundaries. culinary system to reach people around the world.

Process of handling macadamia nuts after harvest

After harvesting, if the macadamia nut has not been dried but peeled when it is still fresh, then the moisture content inside the macadamia nut is very high and the natural essential oil will not develop.

Macadamia nuts at this time have a taste like coconut rice and do not feel greasy, fragrant and teach the smell. Therefore, when the macadamia nut has just been harvested, it should be dried with a specialized food dryer for a certain period of time to reduce moisture and limit the growth of essential oils.

After ripening and falling off with most of the pods already separated, macadamia growers can split the pods to get the seeds right in the garden. As for macadamia varieties that do not self-seed, when the fruit ripens and falls to the ground, people will have to dry the whole fruit, through two stages.

First, leave the peels on for at least 2 weeks in the shade to dry, then put them in the oven to dry for 2-3 days at 40-43°C. The drying process must adjust the temperature to ensure the deliciousness of the seeds.

Normally, macadamia nuts are usually dried at a temperature of about 100 – 110 degrees Celsius for 30-40 minutes. Remove the seeds to cool, all the seeds meet the standards of crispiness and aroma, then switch to the drying stage at 70-80 degrees Celsius for 10-20 hours. After the drying process, macadamia nuts must be crispy, beautiful white and delicious.

After the drying process, the 3mm thick shell is pressed and cracked. Then macadamia nuts are classified according to different sizes. Bad kernels will be removed manually. Kernels will be ranked by size, intact, broken, packed and preserved.

Which type of macadamia nut dryer is good?

Drying is a simple, safe and easy method of preservation. Drying reduces the moisture content of the drying material to a safe moisture content so that bacteria, molds and yeasts are inhibited or unable to grow and function properly, reduce enzyme activity, and reduce the size and weight of the dried material. product.

The macadamia nut drying process is the process of drying the macadamia nuts by means of water evaporation. During the drying process, the moisture drying agents… greatly affect the quality of the drying process. It creates an environment that affects the drying material, causing biological, physical and chemical changes in the dried material, ensuring that the product must meet the requirements after drying. Moreover, the quality of the product is determined by the stability of the drying environment.

In summary, in the drying process, moisture evaporation from the surface of the material takes place to the outside of the environment and the diffusion of moisture from the inside to the surface of the material. These two processes take place in harmony and interact with each other.

When it comes to the drying process of macadamia nuts, different facilities will apply different processing methods, but the general way is to dry and then switch to the drying stage for long-term preservation. Drying at a temperature of 100-110 ^o C for 40-60 minutes, this step needs to be precise to keep the white color of the seeds, but ensure that the seeds are ripe, fragrant and crispy.

After the drying stage, it is necessary to transfer the macadamia nuts to the dryer, the drying time is usually 10-15 hours to ensure that the dried seeds reach less than 10% of the moisture content, allowing the seeds to be preserved for years.

For business households and growers of macadamia nuts, once they understand the process of harvesting and processing macadamia nuts, choosing the best macadamia nut dryer is an important step. The use of a dryer to dry macadamia nuts is the most optimal and effective solution when not only saving time, capacity, and not worrying about weather effects such as rain, storm, no sunshine.

Applying traditional methods of drying macadamia such as roasting macadamia nuts, burning the nut shell, losing aesthetics, and unevenly drying products.

Drying macadamia nuts with a food dryer

The selection of macadamia nut dryer with a food dryer is suitable for business households, producing macadamia nuts on a small and medium scale, the drying capacity can be from 20 to 400kg depending on the line of specialized dryers. dedicated to drying macadamia nuts.

Macadamia nuts are placed on the trays of a food dryer dedicated to drying macadamia nuts and put into the drying chamber, the hot air inside the drying chamber will dry the macadamia nuts evenly and quickly.

Type of mini macadamia nuts dryer

This mini macadamia nut dryer is suitable for small manufacturers, just starting out or experimenting, the small ripple macadamia nut dryer with 6 drying trays is made entirely from INOX 304, the macadamia drying process does not rust. , Ensure food safety. The size of the drying trays inside the macadamia nut dryer is perforated, the drying process is fast and uniform, the size is 400x500mm, with a drying area of ​​more than 1.2m2 can be dried with a yield of 15- 15. 20kg/1 batch of drying.

• The body of the machine is made entirely of 304 stainless steel, ensuring food safety and hygiene.
• The door is made of 304 stainless steel 2 layers, heat insulation.
• The hinge is chrome plated and holds the door firmly during use.
• The drying tray is made of 304 stainless steel with hole punching. In addition to the number of trays as quoted. In the machine, there is always an extra holeless tray placed underneath for easy cleaning and collecting samples of dried materials that fall out.
• Heavy duty wheels make it easy to move the machine when needed.
• Electrodynamic and control equipment from Germany, Japan and Korea for high durability.
• Control panel with functions for temperature control, drying time and continuous monitoring.

Residential macadamia nuts dryer

This is a civil macadamia nut dryer, using heat to dry products, SUNSAY macadamia nut dryer has outstanding features such as:

• Diversity of drying materials and drying modes: In addition to drying macadamia nuts, it is also possible to dry a variety of materials: fruits, vegetables, tubers, food, medicinal herbs…
• Energy saving: Up to 30% less power thanks to the latest PID technology.
• Best quality: The product is uniformly dried, the color, flavor and nutritional value are best kept.

Drying macadamia nuts with a horizontal dryer

The application of a horizontal drying machine to dry macadamia nuts is also an optimal and effective solution that many manufacturers of dried macadamia nuts choose today, the biggest advantage of using macadamia nut drying technology. Macadamia drying using a horizontal beam dryer is a low investment but a large drying capacity, in the drying batch using a horizontal beam dryer can be from 1 to 10 tons and higher.

The industrial macadamia nut dryer lines are large dryers with high productivity from 1 to 10 tons/1 drying time.

Scope of application: In addition to drying specialized macadamia nut, industrial macadamia nut dryer with horizontal technology also dries a variety of different materials such as granules, slices, small fruits, and materials that exist when openings exist. stored in the drying chamber.

• No need to rotate the drying material, the drying temperature is suitable, the drying is uniform, ensuring the quality of agricultural products and minimizing the loss.
• Easy to install, simple to operate suitable for farmers.
• Low investment cost, low drying cost.

The leading manufacturer and supplier of macadamia nuts dryer today

SUNSAY with more than 10 years of experience in drying development SUNSAY dryer is one of the leading units in the field of manufacturing dryers, providing solutions for post-harvest processing and preservation. Contact hotline 094.110.8888 to consult the best solution.

The macadamia nut dryer lines have been deployed

10 ton macadamia nut dryer in Dak Lak

Contact method to order dryer SUNSAY

In addition to food drying machine, SUNSAY Vietnam also provides other types of dryers such as: sublimation dryers, rice dryers, and horizontal dryers, refrigeration dryers,…

Please contact Hotline (Zalo): +84 935.995.035 or call center +84 941.108.888 or leave information in the form and we will contact you right away.

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