Total •NO observed | ||
---|---|---|
in PBS (pH 7.4) | in human saliva | |
PBS | 5 ± 1 μMa | - |
Whole human saliva (WHS) | - | 38 ± 17 μMa |
Smokeless tobacco (ST) | 1100 ± 50 μMa 2.53 ± 0.10 μmol/g ST | 1380 ± 80 μMa 2.76 ± 0.16 μmol/g ST |
Nicotine | < 0.02 μMb | 150 ± 12 μMa 2.81 ± 0.23 nmol/mg nicotine |
Nitrosonornicotine (NNN) | < 0.02 μMb | 121 ± 6 μMa .90 ± 0.30 nmol/mg NNN |
4-(Methyl-N-nitrosamino)-1-(3- pyridyl)-1-butanone (NNK) | < 0.02 μMb | 113 ± 5 μMa 5.45 ± 0.25 nmol/mg NNK |