Page 28 - FOOD & HUMAN NUTRITION F5

4.4 Extraction of rice starch

Teaching steps
1. Search information from the library and internet sources
FOR ONLINE READING ONLY
about methods of preparing rice starch.
2. Guide students to view video or animations showing rice
starch extraction and note what they have observed.
3. Use jig saw or any other techniques for students to share
their views on rice starch extraction.

4. Task students to prepare rice starch using various methods.
5. Guide students to view the structures of rice starch in low and
high magnification power of the microscope. Task students
to draw and describe the observed structures.
6. Encourage students to work collaboratively and fully engage
in performing Activities 4.2 and 4.3 from Student’s Book on
rice starch extraction.

4.5 Extraction of Irish potato starch

Teaching steps

1. Guide students to search for information from the library
and internet sources/video showing the extraction of Irish
potato starch. Task students to note what they have observed.
2. Engage students in interactive activities to discuss the
procedures for the extraction of Irish potato starch. Check
whether students participate actively in group discussion.
Ask students to note what they have discussed.
3. Facilitate students to view the structure of Irish potato in
low and high magnification power. Task students to draw
the observed structures.

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