Canned lotus root processing

(1) Selection of raw materials Select lotus root which has high maturity, no decay, no mechanical damage and spots of insect pests.

(2) Rinse with running water and wash the attached sludge impurities.

(3) Peeling The stainless steel knives are used to remove the knots. At the same time, they should be peeled. The thickness should be uniform and the surface should be smooth.

(4) slice cut into slices about 0.5 cm thick, to be uniform, while paying attention to the integrity of the fruit shape, can be cut in half for large diameter.

(5) The nursing kit adopts l% refined salt and 0.5% calcium chloride aqueous solution for soaking treatment. Its role is mainly to protect the color after being peeled because of the inability to timely blanching, and at the same time to perform appropriate hardening treatment.

(6) Blanching is performed by hot blanching in a solution containing 0.15% citric acid (a 2:1 ratio of water to hydrazine). It is advisable that the temperature be above 90°C for 5 minutes. The effect of inactivating enzymes can be increased by boiling water. , rapid heating, rapid cooling.

(7) The rinsed hot lotus root rinse is immediately rinsed with running water.

(8) Sorting and canning Sorting according to product quality standards, and then canning, the container uses four-cap glass bottles, soup ratio: white sugar 30%, citric acid 0.25%, boiled and filtered for use. Pay attention to the same size and shape of the same tank, solids loading capacity of not less than 50% of the net weight, fill the field juice.

(9) Exhaust seal The heated exhaust gas can reach the center temperature of the tank up to 80°C and can be sealed.

(10) Sterilization, cooling, and sterilization are (5 to 15)/100°C, and sub-stage cooling to 38°C or less.

(11) After wiping the tank, the water on the surface of the tank can be wiped dry, and the test is qualified as the finished product.

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