Food Preservation Independent Living
Jams and Jellies
Jellied Products have 4 ingredients Fruit- the basic ingredient that gives the flavor and color Sugar-helps jelly become firm Pectin- a carbohydrate found in all fruits that makes fruit juices jell Acid- works along with pectin to make fruit juices jell
Kinds of Jellied Products- besides Jam and Jelly Preserves- slightly jellied whole or large pieces of fruit Marmalade- a tender jelly made from citrus fruits Conserves- jellied fruit with raisins and/or nuts added Fruit butter- not a jellied product but made from cooked, pureed fruit.
Freezing
Hints for Freezing Choose ripe, top-quality fruits and young, tender vegetables and fruits. Leave one inch headspace for expansion. Serve fruits with a few ice crystals. Cut meats in serving size pieces. Meat can be refrozen if it still have ice crystals.
Drying
Steps for drying I L D B C J G E A F H K
New Technologies in Food Preservation
Aseptic packaging Commercial packaging method in which a food and its packaging material are sterilized separately.
Freeze-drying Method of commercial food preservation in which water vapor is removed from frozen foods.
Retort packaging A food preservation process that involves sealing food in airtight containers.
Irradiation A type of commercial food preservation that exposes food to low level doses of gamma rays, electron beams or X rays.
Terms to Know
Canning A food preservation process that involves sealing food in airtight containers.
Headspace Space between the food and the closure of a canning or freezing container.
Enzyme A complex protein that is produced by living cells and causes specific chemical reactions. Makes fruit ripen and continue until spoiled.
Sulfuring Anti-darkening treatment used on some fruits before drying.
Ascorbic Acid A food additive that prevents color and flavor loss.
Quick-freezing Process of subjecting foods to extremely low temperatures for a short time.
Shelf Life The amount of time a food can be stored and remain wholesome.