Question
Download Solution PDFWhich of the following chemicals is used as a preservative to slow browning and discolouration in foods and beverages during preparation, storage and distribution?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Sulphites.Key PointsSulphites:
- Sulphites are natural compounds found in foods like dried fruits, wine, and beer.
- They're also added as additives to prevent browning, discoloration, and spoilage in foods and drinks.
- Sulphites release sulphur dioxide (SO2), an irritant gas, which can cause allergy-like symptoms in individuals with conditions like asthma.
- Around 13% of people with asthma also suffer from sulphite sensitivity.
- People with urticaria may also experience worsened symptoms after consuming sulphites.
- Due to health concerns, products containing sulphites are labeled, helping individuals make informed choices.
Additional Information
| Chemical | Formula | Uses and Characteristics | Notes |
|---|---|---|---|
| Nitrous Oxide | N2O | - Anesthetic and analgesic in medical procedures | - Used in dentistry for pain relief |
| - Induces euphoria when inhaled | - Proper administration by professionals required | ||
| - Propellant in whipped cream dispensers | |||
| Phosgene | COCl2 | - Historically used as a chemical weapon in warfare | - Lethal gas used in World War I |
| - Used in chemical manufacturing for plastics and pesticides | - Causes severe respiratory and lung damage | ||
| - Highly toxic | |||
| Chlorine | Cl2 | - Water treatment for disinfection of drinking water and swimming pools | - Vital for public health maintenance |
| - Ingredient in bleach and cleaning products | - Can cause respiratory issues in high concentrations | ||
| - Used in PVC plastics production |
Last updated on Jun 13, 2025
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