GCSE+FT+Unit+2+Lesson+15+Preservation

toc Preservatives help extend the shelf life of foods. There are a number of home & industrial methods that can be used to preserve foods.
 * Unit 2 Lesson 15 3.9 & 3.6 Food Preservation Techniques **

Chemicals that can be easily used in the home to preserve include: During this lesson you will make a quick Apple Chutney that uses both sugar and vinegar as a preservative. It is important to note that the container used to store the chutney should be sterilised to ensure safe preservation and a longer shelf-life.
 * acids, e.g. lemon juice, vinegar
 * sugar
 * salt



Apple Chutney

 * Ingredients - 4 people per group**
 * 8 tart apples - peeled, cored, and finely chopped
 * 1/2 yellow onion, quartered
 * 1 1/2 inch piece fresh ginger root, peeled
 * 1/2 cup white wine vinegar
 * 1/4 cup white sugar
 * 1/4 cup brown sugar
 * 1/4 teaspoon cinnamon
 * 1/4 teaspoon white pepper
 * 1/4 teaspoon ground cardamom
 * 1/8 teaspoon ground nutmeg
 * Directions**
 * 1) Peel, cored, and dice apples.
 * 2) Peel and quarter the onion.
 * 3) Peel the ginger.
 * 4) In a saucepan, mix the apples, onion, ginger, vinegar, white sugar, brown sugar, cinnamon, white pepper, cardamom, and nutmeg.
 * 5) Bring to a boil, reduce heat, and cover. Simmer 30 minutes, stirring frequently, until the apples are tender.
 * 6) Mix in some water if necessary to keep the ingredients moist.
 * 7) Remove the onion and ginger, and place chutney into a container.
 * 8) Store in the refrigerator until ready to serve.

TASK
Read pages 16 & 17 in your text book and answer the following questions. 1. List two advantages and two disadvantages of home food preservation techniques. (Consider 1 safety issue) 2. List two advantages and two disadvantages of chemical (industrial) food preservation techniques. (Consider 1 safety issue) 3. Explain how bacteria can act as a preservative. 4. List 2 examples of foods that can be preserved by: a) vinegar b) salt c) sugar 5. List 5 reasons why additives are used in the manufacturing process.

HOMEWORK
1. Complete the above Tasks and present your work on A4. 2. Suggest any additional ingredient that you might use to develop your apple chutney. 3. Using (and sharing - use Facebook) the photos you have taken during the lesson:
 * Create a photo instruction sheet (A4 - landscape or portrait) of how to make Apple Chutney
 * You should include health and safety
 * And include any special tips and tricks
 * Use the Directions above to help you plan your instruction sheet.

Resources
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