1. Selection of materials
Choose no worms, no rust, no deformity, no damage, no pollution of tender beans.
The delicate texture of tender kidney beans should not be too long for boiling water blanching. Normally remove them in 2 to 4 minutes and dip them immediately with cold water to prevent the residual heat from continuing to function.
3. Color protection
Adding 0.5% sodium bicarbonate to the water during blanching can maintain the green color of the kidney bean and improve the appearance of the dried kidney bean.
4. Smoked sulfur
The blanched beans are spread indoors with bamboo mats and burned with 200 grams of sulfur per cubic meter to prevent oxidative discoloration and rot deterioration during drying, reduce the loss of vitamin C, and promote the drying speed. The rehydration performance is better.
Natural drying is often affected by the weather, so it is best to use artificial drying. In addition, barns can also be designed on their own for mass production.
When dried cowpeas are stored, they must be protected against moisture deterioration. They can be processed into large bags using polyethylene agricultural film. Each bag contains about 20 kilograms, and they are sealed after being packed. They will not deteriorate in two years.
A Bomb Calorimeter is a type of constant-volume calorimeter used in measuring the heat of combustion of a particular reaction. Bomb calorimeters have to withstand the large pressure within the calorimeter as the reaction is being measured. Electrical energy is used to ignite the fuel; as the fuel is burning, it will heat up the surrounding air, which expands and escapes through a tube that leads the air out of the calorimeter. When the air is escaping through the copper tube it will also heat up the water outside the tube. The change in temperature of the water allows for calculating calorie content of the fuel.
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