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. 2020 Nov 5;37(3):337–344. doi: 10.1007/s43188-020-00069-8

Table 5.

PDE values of nicotinic acid and its esters and nicotinamide calculated by using carcinogenicity data

Species Rat, orala
Life span
Male Female
NOAEL (mg/kg/day) 100.5 [35] 66.3 [35]
F1 5 5
F2 10 10
F3 1 1
F4 1 1
F5 1 1
PDEb (mg/day) 100.5 66.3

The selection of F factors which is suitable for NOAEL or LOAE data is based on explanation in materials and method section

aData belongs to nicotinamide

bBody weight is 50 kg