代谢
... 3-(14)C-糖精由成年人类受试者排出,基本未发生改变,主要在尿液中(24小时内占85-92%),无论在每日服用1克糖精前还是连续服用21天后;没有发现糖精的代谢物。这些结果在动物实验中得到了充分证实,实验中口服给予(14)C-糖精,正常饮食的老鼠和饮食中含1%和5%糖精长达12个月的老鼠完全未改变地排出了糖精。剂量的80-90%通过尿液排出,10-20%通过粪便排出;呼出的空气中没有发现(14)CO2,尿液中也没有发现(14)CO3(2-)或2-磺酰胺基苯甲酸。
... 3-(14)C-SACCHARIN WAS EXCRETED UNCHANGED, MAINLY IN THE URINE (85-92% IN 24 HR) BY ADULT HUMAN SUBJECTS, BOTH BEFORE & AFTER TAKING 1 G OF SACCHARIN DAILY FOR 21 DAYS; NO METABOLITE OF SACCHARIN WAS FOUND. THESE RESULTS WERE AMPLY CONFIRMED IN ANIMAL EXPERIMENTS, IN WHICH ORALLY ADMIN (14)C-SACCHARIN WAS EXCRETED ENTIRELY UNCHANGED BY RATS ON A NORMAL DIET & BY RATS ON A DIET CONTAINING 1% & 5% OF SACCHARIN FOR UP TO 12 MO. 80-90% OF THE DOSE WAS EXCRETED IN THE URINE, 10-20% IN THE FECES; NO (14)CO2 WAS FOUND IN THE EXHALED AIR, & NO (14)CO3(2-) OR 2-SULFAMOYLBENZOIC ACID IN THE URINE.
来源:Hazardous Substances Data Bank (HSDB)