* In some TV dramas and variety shows that are recently broadcasted, the ad placement of mixed nuts is impressive. In the past two years, the market sales of mixed nuts have been rising. The expansion of the mixed nut market, in addition to strong consumer demand, will not be able to innovate the development of microwave drying technology.
Mixed nuts usually contain hazelnuts, almonds, cashews, walnuts, macadamia nuts, pistachios, and the like. Nuts contain a lot of protein, vitamins and fatty acids needed by the human body. Eating is good for human health.
In the past, the nuts on the market were mostly fried, which not only destroyed the nutrients in the nuts, but also hurt the health if you accidentally eat too much. Conventional frying requires oil as a medium and the heating rate is slow. If the oil temperature is not controlled* or the frying time is too long, the nuts will become blackened. Not only can the nuts not be used, but the oil must be replaced with new ones, greatly increasing production costs.
On industrial production lines, nuts are usually made by baking in a microwave dryer. Microwave is widely used in modern society, and many people have purchased microwave ovens at home. The microwave dryer works similarly to the microwave oven. It uses electromagnetic waves to react with the moisture contained in the material to achieve the purpose of drying and curing.
The microwave dryer realizes fully automated production, and the microwave power control is very convenient and flexible. The temperature can be adjusted between 40 ° C and 100 ° C. This temperature range just caters to the popular "low temperature baking". The content of carbohydrates in nuts is not low, and carbohydrates produce a large amount of acrylamide harmful to human body at temperatures above 120 °C. The temperature range of the microwave dryer is lower than 120 ° C, which reduces the formation of acrylamide. Due to the low temperature, microwave baked nuts are more active and have a longer shelf life.
Microwave drying does not require a medium for heating, because electromagnetic waves are penetrating and can act simultaneously on the inside and outside of the material. This will allow the material to warm up from the inside out, and the baking speed will be greatly accelerated. Reduce energy consumption and save costs while increasing efficiency. The microwave dryer can also sterilize and disinfect the nut while drying and ripening the nut, thereby reducing the occurrence of food safety hazards.
In addition, since the microwave reacts with the moisture in the material, the more the moisture content, the more electromagnetic waves are absorbed, and vice versa. Therefore, the dryness and ripening degree of microwave baked nuts are very uniform. Another advantage of the microwave feature is that it can produce a puffing effect, and the nutty crispness of the nut will be higher.
The mixed nuts made from baking preserve the original flavor of the nuts, and the crispness is not worse than the fried nuts. In addition to nuts, microwave dryers can also be used to make dried fruit. Another kind of nut product popular in the market - daily nuts, in addition to nuts, also mixed with dried fruits such as dried blueberries, dried cranberries, dried red dates, etc., is also a food with high nutritional value.
At the same time, in order to cater to the public's pursuit of health, microwave dryers are also increasingly used to produce potato chips, vegetable chips, instant noodles and other foods. The traditional frying process has gradually been eliminated, and the microwave drying technology has entered the food processing industry with healthier, more efficient and more convenient advantages. It is believed that in the future, microwave drying will have a broader application prospect in the food industry.
Mixed nuts usually contain hazelnuts, almonds, cashews, walnuts, macadamia nuts, pistachios, and the like. Nuts contain a lot of protein, vitamins and fatty acids needed by the human body. Eating is good for human health.
In the past, the nuts on the market were mostly fried, which not only destroyed the nutrients in the nuts, but also hurt the health if you accidentally eat too much. Conventional frying requires oil as a medium and the heating rate is slow. If the oil temperature is not controlled* or the frying time is too long, the nuts will become blackened. Not only can the nuts not be used, but the oil must be replaced with new ones, greatly increasing production costs.
On industrial production lines, nuts are usually made by baking in a microwave dryer. Microwave is widely used in modern society, and many people have purchased microwave ovens at home. The microwave dryer works similarly to the microwave oven. It uses electromagnetic waves to react with the moisture contained in the material to achieve the purpose of drying and curing.
The microwave dryer realizes fully automated production, and the microwave power control is very convenient and flexible. The temperature can be adjusted between 40 ° C and 100 ° C. This temperature range just caters to the popular "low temperature baking". The content of carbohydrates in nuts is not low, and carbohydrates produce a large amount of acrylamide harmful to human body at temperatures above 120 °C. The temperature range of the microwave dryer is lower than 120 ° C, which reduces the formation of acrylamide. Due to the low temperature, microwave baked nuts are more active and have a longer shelf life.
Microwave drying does not require a medium for heating, because electromagnetic waves are penetrating and can act simultaneously on the inside and outside of the material. This will allow the material to warm up from the inside out, and the baking speed will be greatly accelerated. Reduce energy consumption and save costs while increasing efficiency. The microwave dryer can also sterilize and disinfect the nut while drying and ripening the nut, thereby reducing the occurrence of food safety hazards.
In addition, since the microwave reacts with the moisture in the material, the more the moisture content, the more electromagnetic waves are absorbed, and vice versa. Therefore, the dryness and ripening degree of microwave baked nuts are very uniform. Another advantage of the microwave feature is that it can produce a puffing effect, and the nutty crispness of the nut will be higher.
The mixed nuts made from baking preserve the original flavor of the nuts, and the crispness is not worse than the fried nuts. In addition to nuts, microwave dryers can also be used to make dried fruit. Another kind of nut product popular in the market - daily nuts, in addition to nuts, also mixed with dried fruits such as dried blueberries, dried cranberries, dried red dates, etc., is also a food with high nutritional value.
At the same time, in order to cater to the public's pursuit of health, microwave dryers are also increasingly used to produce potato chips, vegetable chips, instant noodles and other foods. The traditional frying process has gradually been eliminated, and the microwave drying technology has entered the food processing industry with healthier, more efficient and more convenient advantages. It is believed that in the future, microwave drying will have a broader application prospect in the food industry.
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