Food Preservatives
Food Preservatives: Overview
This Topic covers sub-topics such as Antioxidants, Emulsifiers and, Food Preservatives
Important Questions on Food Preservatives
Write an emulsifying agent which is used in oil in water emulsion.

Write an emulsifying agent which is used in water in oil emulsion.

Explain how an Emulsifier Works?

Why egg yolks are used in mayonnaise?

Match column-I with column-II:
Column-I | Column-II |
(a) Neurotransmitter | (i) Iproniazid |
(b) Antidepressant drug | (ii) Sodium benzoate |
(c) Artificial sweetener | (iii) Dopamine |
(d) Preservative | (iv) Aspartame |

What are food preservatives? Explain it by giving two examples.

Give the structure of the following chemical compound and write its one use. Butylated Hydroxy Anisole (BHA).

Why does sodium benzoate used as a food preservative?

Which of the following are not used as food preservatives?

What do you understand by antioxidant?

Answer in one sentence: Draw structure of BHT.

Answer in one sentence: Write molecular formula of Butylated hydroxytoluene.

Explain the following: Browning of cut apple can be prolonged by applying lemon juice.

Explain the following: Vitamin E is added to packed edible oil.

What is the active principle of cinnamon bark?

Write the three properties of chemical preservative.

Give an example of food preservative.

Which of the following is not used as food preservatives?

() Explain the function of glutathione as a free radical scavenger in the cells.

What is the reason of preservation of meat by salting and of fruits by adding sugar that can protect them from bacterial action?
