Behavioral Objectives

          Chapter 15

          Purdue griffin

          1. Define and/or identify:

          • tear (as applied to an exudate gum
          • exudate
          • protein-polysaccharide 
          2. List the 4 exudate gums.

          3. Give the sources of gum arabic and gum tragacanth.

          4. Explain in molecular terms why gum arabic has the ability to both emulsify and stabilize emulsions.

          5. Describe the three fractions of gum arabic

          6.  Describe the (a) chemical and (b) molecular structures of the fraction of gum arabic responsible for its emulsifying properties

          7.  List the sources of heterogenity of gum arabic.

          8.  Give the two (probably mos)t significant variations in gum arabic structures.

          9.  List three unique properties of gum arabic.

          10. List the seven properties of gum arabic that make it important in the preparation of spray-dried flavors.

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