| There
are three Tests for Heat-stability: |
| 1. |
Ethanol Test |
To
find the heat-stability of milk - the capacity of milk to
withstand heat while processing.
|
| 2. |
Clot-on-boiling Test |
| 3. |
Alcohol-Alizarin Test |
To
find the heat-stability and pH of milk. |
|
| |
| Three
more for Bacterial Presence: |
| 1. |
Dye-reduction Test |
Finds
out bacterial contamination and growth in milk. |
| 2. |
Standard plate count Tests |
| 3. |
Direct microscopic count Test |
Identifies
the types of microorganisms present in milk. |
|
| |
| Two
Tests for Adulteration by Water: |
| 1. |
Lactometer |
Water
in milk shows up in its lactometer reading and the change in
freezing point. Hence these tests are used to find the debasement
of milk with water. |
| 2. |
Freezing point Tests |
|
| |
| Test
for Acidity: |
Milk
in its natural state has acidity. It does not make the milk
taste sour. Developed acidity, however, does affect the quality
of milk. The acidity test is used to determine the final acceptance/rejection
of milk vis a vis its acidity levels. |
|
| |
| Test
for Fat and/or SNF: |
To
make payment for milk received from farmers, it is tested for
its Fat/SNF content. The farmers get more money if the milk
has high levels of Fat/SNF. |
|
| |