preserving foods

Question 1

we can preserve food by…

Answer 1

*use preservatives
*heating
*refrigerating
*pickling
*drying
*bottling
*canning
*salting
*fermenting

Question 2

storing grain

Answer 2

stored in silos-made of concrete & metal(can use round containers at home/dry ice) to keep out oxygen/high temps/moisture, if we don’t store grain it would decay and make it unfit to eat

Question 3

the indigenous way to store grains(Zulu way)

Answer 3

stored in a vase shaped hole in the ground, lined with clay and sealed with a large flat stone | when gathering it they would take the lid off hours before so theres actually oxygen to breathe in there

Question 4

pickling (+ disadvantage)

Answer 4

*food fermented in brine(salt+water) then storing it in an acid solution(vinegar)
*it has a high acidity level so it destroys certain vitamins

Question 5

drying

Answer 5

evaporating moisture from food using the sun | electric food dehydrators are used in the industry | grain dryers are used to dry seeds,barley,wheat and rice

Question 6

methods of drying

Answer 6

*sun drying
*oven drying
*dehydration
*smoking
*air drying

Question 7

salting

Answer 7

preserving food with dry edible salt because micro-organisms cant survive in salt (mainly meats;salted fish,salted meat)

Question 8

what is food preservations

Answer 8

it is the proper handling, treating and storage of food so it doesn’t lose its nutritional value/quality/edibility because of spoilage