Tissue Distribution of trans-Resveratrol and Its Metabolites after Oral Administration in Human Eyes

Table 3

Concentrations of resveratrol and its major metabolites in the serum of three participants.

Species	Concentration (nmol/L)			Mean ± SD or N (%)
	Patient 1	Patient 2	Patient 3
Resveratrol	174.1	337.7	21.9	177.9
Resveratrol-3-O-glucuronide	54.5	162.9	481.7	233.0
Resveratrol-4′-O-glucuronide	44.6	155.4	456	218.7
Resveratrol-3-sulfate	257.6	2112	3539	1969.5

Note: the blood was drawn at about 2 hours after the final dose of resveratrol.