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Acceptable daily intake or ADI is a measure of the amount of a specific substance (originally applied for a food additive, later also for a residue of a veterinary drug or pesticide) in food or drinking water that can be ingested (orally) daily over a lifetime without an appreciable health risk. [1]
For the drugs administered by oral and dermal route, the units of threshold dose are mg/kg body-weight/day (dose of the drug in mg per body weight in kg per day) or ppm (parts per million), while the threshold dose of drugs by inhalation delivery has the unit of mg/L 6h/day (amount of drug in mg in 1L of air, for 6 hours per day). [8]
The JECFA makes a distinction between acceptable intakes and tolerable intakes. Tolerable is used to demonstrate permissibility, not acceptability. [3] Substances such as food additives, veterinary drugs, and pesticides that can be controlled in the food supply relatively easily are assessed an acceptable daily intake, or ADI.
100, 300, 600, and 900 mg/kg/day Reduced maternal body weight gain from 73 g in controls to 48 and 43 g in the 600 and 900 mg/kg/day dose groups, respectively. [42] Wistar Rats Oral (by gavage) 600 mg/kg bw/day Reductions in fetal plasma leptin levels and in fetal insulin levels. Prenatal exposure disrupts fetal testosterone production in male ...
Cholinesterase inhibition was observed at all dose levels tested, and a NOAEL of 0.03 mg/kg/day estimated by dividing a LOAEL of 0.3 mg/kg/day by an uncertainty factor of 10. As with the acute RfD, the chronic RfD of 3×10 −4 mg/kg/day was determined by dividing this NOAEL by the inter- and intraspecies uncertainty factors.
every day (once daily) (preferred to "qd" in the UK [10]) o.d. oculus dexter: right eye o can be mistaken as an a which could read "a.d.", meaning right ear, confusion with "omni die" o.m. omni mane: every morning omn. bih. omni bihora: every 2 hours omn. hor. omni hora: every hour o.n. omni nocte: every night OPD once per day o.s.
In toxicology, the lowest published toxic dose (Toxic Dose Low, TD Lo) is the lowest dosage per unit of bodyweight (typically stated in milligrams per kilogram) of a substance known to have produced signs of toxicity in a particular animal species. [1]
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