Table 2.

BBB permeability of EGCG metabolites.

Sample	Permeability Coefficient (10−6cm s−1)	BBB Permeability (%) (30 min)
EGCG	13.45 ± 0.57	4.00 ± 0.17
EGC	16.70 ± 1.86	4.96 ± 0.55
GA	31.73 ± 3.39	9.42 ± 1.01
EGC-M5	17.99 ± 0.79	5.34 ± 0.23
EGC-M5-GlcUA	12.53 ± 0.02	3.72 ± 0.01
EGC-M5-Sul	14.61 ± 1.35	4.34 ± 0.40
PG	13.79 ± 1.62	4.10 ± 0.48
PG-GlcUA	9.28 ± 1.41	2.76 ± 0.42

Data are expressed as the mean ± SEM (n = 3) [43]. (Data of Ref. 43 are modified).