Page 9 - Shimadzu RF-6000

Foods

Classifying and Identifying Types of Milk

There are many types of milk products, such as raw or processed and
those classified by fat content levels (low-fat, non-fat, and so on). A
These different types of milk products can have different 3D
fluorescence spectra.
In this example, three different types of milk products (A, B, and C)
were used to measure 3D fluorescence spectrum while varying the
excitation wavelength.
Samples were diluted by five times with distilled water.
The results show that milk samples A and C have different
fluorescence patterns. However, milk sample B has a fluorescence
pattern that is found in both milk samples A and C.
Therefore, the 3D fluorescence spectrum can be used to discriminate
between different types of milk products.

B

C

RF-6000
Spectrofluorophotometer 9