Quercetin Increases Hepatic Homocysteine Remethylation and Transsulfuration in Rats Fed a Methionine-Enriched Diet

Table 3

Serum contents of Met, Hcy, Cys, Tau, Ser, Gly, and GSH.

Group	Met (M/L)	Hcy (M/L)	Cys (M/L)	Tau (M/L)	Ser (M/L)	Gly (M/L)	GSH (M/L)
Control	75.7 ± 4.7	3.4 ± 0.6	29.7 ± 6.7	344.4 ± 37.6	316.9 ± 42.8	426.3 ± 79.9	25.6 ± 5.7
0.5% Q	68.4 ± 2.0	3.7 ± 0.4	57.0 ± 14.2	413.9 ± 15.2	287.4 ± 64.7	385.0 ± 89.3	20.3 ± 3.1
1.0% Met	68.4 ± 5.4	5.8 ± 1.1	67.0 ± 9.0	454.0 ± 46.3	285.5 ± 27.6	419.6 ± 63.9	30.4 ± 3.3
1.0% Met/0.5% Q	69.0 ± 0.7	4.2 ± 0.7^≠	66.8 ± 3.9	505.0 ± 31.2	220.8 ± 22.8	350.3 ± 66.6	21.4 ± 2.5^≠

Met, methionine; Hcy, homocysteine; Cys, cysteine; Tau, taurine; Ser, serine; Gly, glycine; GSH, reduced glutathione; 0.5% Q, 0.5% quercetin supplemented group; 1.0% Met, 1.0% Met supplemented group; 1.0% Met/0.5% Q, 1.0% Met plus 0.5% quercetin supplemented group.
Results are expressed as mean and standard deviation (). Significantly different from the control group (). Significantly different from the 0.5% Q group (). ^≠Significantly different from the 1.0% Met group ().