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Terminology: LD50 (50% Lethal Dose)
LD50（50% Lethal Dose）：Lethal Dose 50
Lethal Dose 50 (LD50) is the amount of a substance required to kill half of the members of a tested animal population after a specified test duration period.
LD50 values are frequently used as a general indicator of a substance's acute toxicity.
Generally, a LD50 of 1,500 mg/Kg or higher is considered as a safe substance.
Pertaining to LD50 (50% Lethal Dose)
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