How is Chinese herbal medicine Perilla leaf dried
Perilla leaves, an herb that can be used both as medicine and as food, are usually dried by drying them on the ground or hanging them in the shade.
So whether Chinese herbal medicine Perilla leaves can be dehydrated and dried with hot air circulation oven, the answer is of course yes, air heat pump dryer, is composed of heat pump host with closed thermal insulation drying room, coupled with a reasonable air structure, temperature sensing device and fan combination, the principle is to use the refrigerant in the system to absorb the heat in the air, transported to the drying room, Raise the air temperature in it, transpiration out the water of the material to be dried, and then discharge the high-temperature water steam by condensation.
In the drying temperature, there are ten sections can be set, different sections can be set different drying time, temperature, drying mode, drainage mode, etc., can achieve accurate temperature control, can simulate the sun from rising to falling all day temperature curve, and is not affected by the weather environment, is a kind of energy saving and emission reduction clean energy.
In the process of using air energy heat pump dryer for Perilla drying, there are several points that need to be paid attention to and considered.
First, the unit volume of Perilla is large, the weight is light, the dehydration rate is usually 80-85%, intensive stacking, which will cause wind penetration, at this time the external Perilla has been completely dry, but the internal Perilla is still fresh, so the Perilla can not be stacked when drying, and pay attention to timely turning in the drying process. Let the hot air penetrate the Perilla leaves more evenly.
Second, Perilla in the drying process should pay attention to the control of temperature, because the back of the leaves is purple, in order to ensure that the color does not change after drying, in the early drying should pay attention to the temperature and color, the initial temperature should not be set too high, usually at 50 degrees can be, then you can appropriately increase the drying temperature, of course, if you do not consider the quality, just want to shorten the time, The temperature can be raised to more than 60 degrees to shorten the drying time, but if you want to have a good image and quality, it is recommended that the taste and color of the Perilla obtained by drying at low temperature will be better.
Third, Perilla drying is the pursuit of efficiency, after all, the price per kilogram of dried Perilla is not too high, so each batch can dry how much fresh Perilla, this is particularly important, so in the drying room how to design Perilla placement and installation tools is an important issue.
To learn more about our Fangyuan products, please click this link ：https://www.fine-mill.com/fluidized-bed-dryer/roasting-machine/perilla-leaf-hot-air-circulation-dryer.html.
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