*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MK2830000 CHEMICAL NAME : Heracleum rapula Franch, root extract SUBSTANCE DEFINITION : Active ingredients include osthol and imperatorin REFERENCE : CTYAD8 Zhongcaoyao. Chinese Traditional and Herbal Medicine. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11- 1980- Volume(issue)/page/year: 12,20,1981 LAST UPDATED : 199506 DATA ITEMS CITED : 1 COMPOUND DESCRIPTOR : Natural Product *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1690 mg/kg TOXIC EFFECTS : Behavioral - excitement Cardiac - other changes Lungs, Thorax, or Respiration - respiratory depression REFERENCE : CTYAD8 Zhongcaoyao. Chinese Traditional and Herbal Medicine. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11- 1980- Volume(issue)/page/year: 12,20,1981 *** END OF RECORD ***