Question

Activity-1: Preservatives
1. To know about the different methods of preservation.
a) Collect the wrappers of frozen and canned food items and milk.
b) Find about the preservatives present in these food items.
c) List the various preservatives and methods of their preservation.​

Answer 1

Explanation:

Clue - Lists of some food and likely preservatives used.

Packed Food Preservatives.

Tomato sauce - Sodium Benzoate.

Sorbets - Citric acid.

Jams - Citric Acid/ Sorbates / Benzoates.

Cheese, Bread, Baked products, Pickles - Sodium/ Calcium Propionate or Sorbates.

Carbonated drinks, Fruit juices – Benzoates.

Answer 2

Explanation:

preservatives are

salt

sugar

lemon

sorbic acid

sodium sorbic

these r used to preserve food and keep them fresh for months