Nuts are delicious and have a special fragrance. They are not only eaten fresh and fried, but also widely used in the food industry such as sugar making, cakes, chocolate, toast, ice cream, candied fruit, canned dried fruit, etc. and for pressing high-grade edible oil.
The peel, leaves and wood of pistachio contain 5% to 12% of tannins. The wood has smooth texture, hard texture, resistance to bending and compression, and has a large specific gravity and beautiful color. It can be used to make high-end furniture and carved wood crafts; Nuts can be used medicinally, and have curative effects on heart disease, hepatitis, gastritis, and hypertension. The juice of the leaves can treat dampness and itching, and the exocarp can also treat skin diseases and trauma to stop bleeding. Pistachio has strong adaptability and can be used for afforestation in dry land, semi-desert land, and hillside land, and it is also a green tree species in cities.
How to dry pistachio in a dehydrator?
by Baixin Machinery
In processing, drying is the key to the entire process. If the drying temperature is too low, the evaporation of water will be slow, which will affect the drying speed; if the drying temperature is too high, the drying speed will be too fast, which will easily cause the moisture to evaporate quickly and generate a high vapor pressure, which will make the dried pistachios brittle and become brittle. Hard, or lose its color and taste and turn yellowish brown.
The opening rate of pistachios pre-drying is an important indicator, which affects the appearance quality of the product.
When the average moisture content of pistachios is below 8%, the opening rate is above 96%. Temperature, wind speed and drying time have a certain influence on the opening rate. If the drying temperature is too high, it is easy to cause the oil to seep out in the pre-seasoning process of pistachios.
The pistachios are dried by an air energy dryer, and the drying temperature is controlled to be dried under the conditions of 65-70°C, until the water content is about 8%. Then, the pistachios are roasted in a roasting machine, the roasting temperature is controlled at 120-150, and the roasting time is about 20-40 minutes, and then quickly cooled, graded and packaged.
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