Which of these is used as a food preservative?

Which of these is used as a food preservative? Correct Answer Sulfur dioxide

Sulfur dioxide is used in the preparation of sulfuric acid, sulfur trioxide, and sulfites. Sulfur dioxide also is used as a disinfectant, a refrigerant, a reducing agent, a bleach, and a food preservative, especially in dried fruits.
Bissoy MCQ

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Food preservatives prevent spoilage of food due to microbial growth. Which of the following acid is used as preservative of food items?
Consider the following statement
1. A bacterial food intoxication refers to food borne illnesses caused by the presence of a bacterial toxin formed in the food.
2. A bacterial food infection refers to food borne illnesses caused by the entrance of bacteria into the body through ingestion of contaminated foods and the reaction of the body to their presence or to their metabolites.
Which of the statements given above is/are correct?
A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?
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Statement 1: Cost reduction trend of the food industry often leads manufacturers to forget the health aspect of the food, although health itself is another important trend of the food industry. Statement 2: Food processing industries now-a-days is also looking into energy efficiency methods to process food. Hence it’s an upcoming trend.
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form acoherent paragraph.
P- The magnitude of the interdependence depends on the technique of production causing the shifts in the food supply curve.
Q- Interdependence of food and labour market is important for the development process.
R- Similarly, an upward shift in the food supply curve shifts up the food demand curve.
S- An upward shift in the food supply curve would simultaneously result in an upward shift in the labour demand curve.
What is the role of a food control system?
1. To enforce adoption of food standards.
2. To implement food standards.
3. To inspect food.
4. To allow food to be contaminated.
Why is it essential to maintain standards in food quality?
1. Food helps in existence of all beings.
2. Food can be consumed in its contaminated form.
3. Adulterated food is beneficial to health.
4. To enhance nutritional quality of food.
Which of the following is used as a preservative to protect processed food?
Which one of the following is used as a food preservative?