Wednesday, February 23, 2011

3rd Experiment

3rd experiment

In our third experiment we have to do fruit leather. Each group has been given a different task to complete this assignment. As usual we have a short briefing with our chef Zaid about this experiment.

Objective for fruit leather:

  1. Identify the reasons for the procedures used in drying fruits.
  2. Explain the reasons for blanching some fruits and the reason for not blanching other fruits.
  3. Compare the cost and the quality of home-dried with commercially dried fruits.
  4. Evaluate the use of ascorbic acid in retaining color in dried products.
  5. Compare the quality of product dried under the conditions tested in the experiment.

    Basic formula:

                2 ½ cup strawberries hulled and cut in hal
    25gram sugar

    Cooking Method:

    1. puree strawberries in blender until smooth. Stir in the sugar.
    2. line jelly roll pan with aluminum foil and fasten it to the edges with masking tape. Spread the fruit evenly in the pan.
    3. dry in oven at 140’F (60C) until complete dry and no longer sticky (approximately 12 hours). remove from the aluminum foil and roll up.
    4. Wrap the roll tightly in aluminum foil and store at room temperature in a tightly closed plastic bag or container. Note: Apple leather can be made using 1 ½ lb of apple (peeled, cored, and pureed), 90 ml water, 75 gram sugar, and 0.8 gram cinnamon.        

    For this experiment our group has been selected to make strawberries leather. This is part of or group do:

    1. Control – prepare the basic formula. Note the time required to dry.
         b.Dehydrator – prepare the basic formula, but place the pan in a dehydrator at 140’F (60’C). Note the time required to dry.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

    wash the strawberry for cutting

    make it dry for a while
    cut the flower

    during the progress of  the experiment
    After 2 hours

    strawberry fruit leather

    final result of fruit leather 

    click images to enlarge


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