Anthocyanin Pigment Analysis

Profiles of the anthocyanin pigments of a juice by HPLC can be useful in detecting adulteration of red juices, such as raspberry, strawberry and cranberry. Figure 8 shows a typical anthocyanin profile of pure cranberry juice. Figure 9 shows a more complex pattern found in grape skin extract.

Amino Acids 
Carbon SIRA 
Organic Acids 

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Figure 8.  Anthocyanins from Cranberry Juice

Figure 9.  Anthocyanins from Grape Skin Extract