Tomato sauce or ketchup is preserved with the help of?
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Tomato sauce and ketchup can be kept in the shelf for more than 18 months if the cooking process is maintained sterile an the containers that are used are also sterilized.
If these process are done well, then, the tomato sauce and ketchup may not a preservative.
However, in the case where the shelf life needs to be prolonged further or the process may not be 100% sterile, to avoid the tomato sauce or ketchup going bad, sodium benzoate may be used as a preservative.
If these process are done well, then, the tomato sauce and ketchup may not a preservative.
However, in the case where the shelf life needs to be prolonged further or the process may not be 100% sterile, to avoid the tomato sauce or ketchup going bad, sodium benzoate may be used as a preservative.
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Before being packaged, the ketchup is initially heated to approx.190 °F or 88 °C to prevent contamination. Then after packaging, the bottles are immediately sealed to retain the freshness and preserve the shelf-life of the product. The final step is cooling the product via cold air or water to maintain its flavour.
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