Flow diagram illustrating the isolation of proanthocyanidins
from cranberries with and without prior supercritical fluid extraction
,“CE” stands for cranberry extract; “EM” and “AC” correspond
to ethanol/methanol (1:1) and 80% acetone fractions from Sephadex
LH-20, respectively. Each of these abbreviations is followed by the
respective treatment in subscript, either with prior SFE (SFE) or with
no prior SFE (NSFE).