Table 4.

N-terminal valine hemoglobin adducts of AA (AAVal) and GA (GAVal) during the human intervention study with coffee consumption on day 6 and high AA intake via food on day 10 (group A) respective 13 days of washout (group B)

Blood sampling	AAVal (pmol/g Hb)		GAVal (pmol/g Hb)
	Group A (n = 6)	Group B (n = 6)	Group A (n = 6)	Group B (n = 6)
1. BS	24.5 ± 19.7	46.4 ± 44.1	17.2 ± 16.0	27.5 ± 25.8
2. BS	22.3 ± 17.6	38.4 ± 34.9	15.9 ± 14.5	23.3 ± 21.5
3. BS	26.0 ± 16.1	34.0 ± 32.6	18.7 ± 13.5	20.9 ± 20.7

1. BS prior study start day 1, 2. BS end of day 7, 3. BS end of day 13