3. The test
Testing for Observations Positive result Method
Rub pistachio powder on
The filter paper turned
Fat Yes the filter paper. Wait for
transparent
ten mins and observe.
Put some pistachio powder
no- pistachio nuts have no on the Plate. Add iodine. I f
starch It stayed the same
starch it contains starch it should
turn black
Put some pistachio powder
into a test tube. Add 10
glucose Turned slightly green yes drops of benidicts solution
and leave in a hot water
bath for 10 mins.
Put some pistachio powder
yes it contains a little bit of into a test tube. Add 10
Protien Turned dark purple protien becuase the color drops of biurets A & B.
wasnt so clear. Leave in a hot water bath
and it should turn orange
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4. • The fat in the pistachio nuts will be stored
in the fat cells, the fat cells store energy for
later use.
• The enzyme that acts on the fat in pistachio
nuts is called lipases.
• Because pistachios contain lots of fat, they
will stay in the digestive system for a long
time.
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5. Most food including pistachio nuts get
absorbed into the blood stream in the
small intestine.
Tuesday, September 27, 11
6. • The teeth smash the nuts into mush and Amylase
in the saliva start to breakdown the nutrients
• The stomachs stomach acids are mixed with the
food and start to break down protien particles
into amino acids.
• The duodenum completes the breaking down
process, including the fat, which bile disperses the
fat particles into tiny droplets.
• in the small intestine, the nutrients are now small
enough to get absorbed by villi, into the blood
stream.
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7. • In the colon, water gets absorbed into the
blood stream, making the waste food solid.
Tuesday, September 27, 11
