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. Author manuscript; available in PMC: 2008 Dec 8.
Published in final edited form as: J Agric Food Chem. 2006 Dec 13;54(25):9503–9509. doi: 10.1021/jf062272c

Figure 1.

Figure 1

Chemical structures of procyanidin (epicatechin16(4→8)catechin) (1), pentagalloyl glucose (1,2,3,4,6-penta-O-galloyl-β-D-glucopyranose) (2), castalagin (3), and grandinin (4).