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. Author manuscript; available in PMC: 2012 Mar 13.
Published in final edited form as: J AOAC Int. 2011 Mar-Apr;94(2):459–466.

Table 1.

Anthocyanin concentrations in mixed standard solution

Anthocyanin Theoretical concn, μg/mL Purity, %a Actual concn, μg/mL Chemical formula CAS No.
C3Ga 40 91.32 36.53 C21H21ClO11 27661-36-5
C3Gl 10 98.30 9.83 C21H21ClO11 7084-24-4
C3Ar 40 44.18 17.67 C20H19ClO10 NAb
P3Ga 70 92.44 64.71 C22H23ClO11 NA
P3Ar 30 90.47 27.14 C21H21ClO10 NA
a

Purity determined chromatographically for each individual chemical calibration standard.

b

NA = Not available.