Canned Sweet Corn Processing Line

1. Cutting,Peel and remove beard:

Use the sharp and form-fitting cutting tool to cut the skin at the end of the corn,and scratch the skin to form the initial peeling opening,turn on the powerful hair dryer and other devices that produce high-speed air to remove the outer skin of corn cobs and corn stalks.

2. Cleaning:

Using high-pressure water flow and bubble generating device,spray or immersion cleaning system, to clean the surface of corn cob with clean water to remove dirt, impurities, pesticide residues, etc. While avoiding bumping,knocking,scratching,etc.

3. Threshing:

Separate corn kernels from corn stalks using specialized threshing equipment. The equipment will minimize damage to the corn kernels to ensure their integrity.

4. Pre cooking:

Put the corn kernels into the pre cooking equipment and boil them in hot water for a period of time. Pre cooking can inactivate enzymes in corn kernels, prevent discoloration and spoilage during subsequent processing and storage, and also improve the taste of corn kernels.

5. Cooling:

Pre cooked corn kernels need to be quickly cooled, usually by spraying cold water or soaking. Rapid cooling can maintain the crispness and nutritional content of corn kernels.

6. Deep processing stage

• Quick freezing: If producing quick frozen sweet corn products, the cooled corn kernels are placed in a quick freezing equipment and rapidly frozen at extremely low temperatures (such as around -30 ℃) . This way, after thawing, it can better maintain its original shape and taste.

• Canned food processing:

• Canning: Put corn kernels into sterilized canned containers and add an appropriate amount of sugar water or salt water soup to enhance the flavor of the corn kernels.

Sealing: After canning, the air inside the can is expelled through heating or vacuum exhaust, and then the can is sealed to prevent external air from entering, ensuring the shelf life of the product.

Sterilization and cooling: Sealed cans need to be sterilized by high-temperature sterilization machine to kill microorganisms and ensure the safety of the product during its shelf life. After sterilization, it is necessary to cool it immediately to prevent excessive cooking from affecting the taste of corn kernels.

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