TLE Flashcards
To learn (51 cards)
-Any method of treating food which prolongs the length of time
-Preventing and minimizing changes
-Prevents bacteria fungi microorganisms
Food Preservation
Unpleasant odors or flavors in food
Rancidity
Used to denote the length of time
Shelf life
Factors that affect shelf life of food
Temperature
Atmosphere
Moisture
Container
Self destruction of food
Autolysis
Changes of color, smell, taste, and look in food
degradation
Means that the original
nutritional value, texture
and flavor of the food are
damaged.
Food Spoilage
Causes of Food spoilage
Microorganisms
Bacteria yeasts or molds
Physical and Chemical changes
Perishability
It is a term that
refers to the
quickness with
which food gets
spoilt.
Types of food
Perishable- 1 to 3 days
Semi- perishable- 3 to 5 days
Non perishable- last longer
are substances added to food to
maintain or improve its safety, freshness, taste,
texture, or appearance
Food additives
Purpose of food additives
Preserving food
Improving the taste of food
Making food look more attractive
Enriching food with certain nutrients
Types of food additives
Preservatives
Stabilizers
Nutrients
Antioxidant
Food flavoring
Food coloring
Common food preservatives
Salt
Sugar
Vinegar
Phosphate
Curing salt
Sodium Nitrite
These food additives
prevent the growth of
microorganisms in food
that will result to spoilage.
Preservatives
is a salt and an antioxidant that is
used to cure meats like ham, bacon and hot dogs.
Sodium nitrites
This food additive makes
food look more appealing
and attractive by giving a
color that is unnatural to
food.
Food coloring
This food additive adds
extra flavor to food.
Common examples are
herbs and spices, artificial
flavoring and sweeteners,
and flavor enhancers.
Food flavoring
This food additive slows
down or prevents oxidation
which turn fats and oil
rancid
Antioxidants
Also known as emulsifier
or thickener, this food
additive prevents food
from changing its form or
chemical nature
Stabilizers
These food additives are
added to enrich or fortify
food products. Common
examples are the vitamins
and minerals that are
added to food.
Nutrients
Methods of Food Preservation
Bactericidal
Bacteriostatic
Bactericidal
Cooking
Canning
Pasteurization
STERILIZATION
is an act of preparing food
for eating with the application of
heat
Cooking