Table 1.
Yields of MeOH extract, HWE, CPCs, PPCs, and LMWPCs based on oven-dried bark weight

Yield (% of bark)
MeOH extract	HWE	CPCs	PPCs	LMWPCs
32.9	28.9	23.9	18.1	5.8

HWE = hot-water extract, CPCs = crude procyanidins, PPCs = polymeric procyanidins, LMWPCs = low-molecular-weight procyanidins.