The NOEL (no observable effect level) is the highest dose or exposure level of a substance or material that produces no noticeable (observable) toxic effect on tested animals.
The LOAEL is the lowest dosage level at which chronic exposure to the substance shows adverse effects on tested animals.
Pertaining to NOEL（Non Observed Effect Level）
- ADI（Acceptable Daily Intake）
- NOAEL(Non Observed Adverse Effect Level)
- Chronic Toxicity Test
- Dog Sub-chronic Toxicity Test
- Rat Acute Inhalation Toxicity Test
