Quality tests of milk and other dairy products is a primary quality assurance undertaking in dairy processing. There's need for rapid tests to score milk quality owing to the perish-ability of the product.

1. Quality Assurance for
Dairy Products
RAPID TESTS
Peroxide - peroxide strips
Starch - iodine test
Added water - freezing point / lactometer test
Detergents - lathering test
Formalin - ring test
A D U L T E R A T I O N
A C I D I T Y & M I C R O B I A L L O A D
Developed acidity - titration method and pH
meter
Microbial load - resazurin test
Mastitis - strip cup & California Mastitis Test
(CMT)
Antibiotics - Delvo test & Biosensors (Rapid
One Step Assay (ROSA) strips)
Aflatoxin - Enzyme Linked Immunosorbent
Assay (ELISA)
Pesticides - ROSA strips
A N T I B I O T I C S , A F L A T O X I N , &
P E S T I C I D E S
Butterfat - Gerber method
Lactose - blood glucose biosensor
Casein - infrared analysis
Total solids - ashing method
M I L K S O L I D S
Alcohol test - determines the suitability of
milk for high temperature processing
Clot on Boiling (COB) test - protein
instability due to increased acidity
P R O T E I N S T A B I L I T Y
w w w . d a i r y t e c h n o l o g i s t . c o m
References
1. https://www.charm.com/products/antibiotics/rosastriplinks
2. http://dairytechnologist.com/milk-testing-equipment/
3. http://vlab.amrita.edu/?sub=3&brch=63&sim=1091&cnt=1