Food Preservatives

IMPORTANT

Food Preservatives: Overview

This Topic covers sub-topics such as Antioxidants, Emulsifiers and, Food Preservatives

Important Questions on Food Preservatives

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Explain how an Emulsifier Works?

MEDIUM
IMPORTANT

Why egg yolks are used in mayonnaise?

MEDIUM
IMPORTANT

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

 

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

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

HARD
IMPORTANT

Why does sodium benzoate used as a food preservative?

EASY
IMPORTANT

Which of the following are not used as food preservatives?

EASY
IMPORTANT

What do you understand by antioxidant?

EASY
IMPORTANT

Answer in one sentence: Draw structure of BHT.

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

What is the active principle of cinnamon bark?

MEDIUM
IMPORTANT

Write the three properties of chemical preservative.

MEDIUM
IMPORTANT

Give an example of food preservative.

EASY
IMPORTANT

Which of the following is not used as food preservatives?

EASY
IMPORTANT

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

EASY
IMPORTANT

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