Correct Answer - Option 4 : Pulsed Electric Field
The correct answer is: 'D'.
- Pulsed electric field (PEF) is a non-thermal method of food preservation that uses brief pulses of electricity or electric field for microbial inactivation.
- PEF causes minimal effects on food quality attributes like sensory and physical properties.
- PEF offers high-quality foods and is effective than heat treatments as it maintains the original colour, flavour, nutritional value, and texture.
Thus, the correct answer is: "Pulsed electric field".
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Vacuum packaging is the process of removing air from a package before sealing it.
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Sensitive products, such as food, are packed in a modified atmosphere by using a packing gas. The gas utilised is usually inert or has properties that safeguard the packaged items' integrity by preventing undesirable chemical reactions like food deterioration or oxidation.
