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Existing Methods (Official)
▪
Two AOAC methods of analysis
Cocoa
(2012.24 and 2013.03)
▪
Applicable to cocoa based matrices
▪
NP-HPLC Chromatography
▪
Quantify procyanidins from DP1-10
based on Fluorescence RF
Lowbush
blueberry
Sorghum
Cranberry
Existing Methods (Official)
▪
European Pharmacopeia
▪
Dried hawthorne berry assay
procedure (assay minimum 1.0%)
▪
Colorimetric method
▪
Reports procyanidin content
expressed as cyanidin chloride