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Food Preservation Independent Living. Jams and Jellies.

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Presentation on theme: "Food Preservation Independent Living. Jams and Jellies."— Presentation transcript:

1 Food Preservation Independent Living

2 Jams and Jellies

3 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

4 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.

5 Freezing

6 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.

7 Drying

8 Steps for drying I L D B C J G E A F H K

9 New Technologies in Food Preservation

10 Aseptic packaging Commercial packaging method in which a food and its packaging material are sterilized separately.

11 Freeze-drying Method of commercial food preservation in which water vapor is removed from frozen foods.

12 Retort packaging A food preservation process that involves sealing food in airtight containers.

13 Irradiation A type of commercial food preservation that exposes food to low level doses of gamma rays, electron beams or X rays.

14 Terms to Know

15 Canning A food preservation process that involves sealing food in airtight containers.

16 Headspace Space between the food and the closure of a canning or freezing container.

17 Enzyme A complex protein that is produced by living cells and causes specific chemical reactions. Makes fruit ripen and continue until spoiled.

18 Sulfuring Anti-darkening treatment used on some fruits before drying.

19 Ascorbic Acid A food additive that prevents color and flavor loss.

20 Quick-freezing Process of subjecting foods to extremely low temperatures for a short time.

21 Shelf Life The amount of time a food can be stored and remain wholesome.


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