A single or a prolonged oral administration of senna (60 mg kg-1) to rats did not increase either colonic PAF (platelet activating factor) content or intraluminal release of acid phosphatase. A simila...
After in vitro incubation of cecal content from CVL or gnotobiotic rats with rhein anthraquinone (1 mg g-1) for 18 h at 37 degrees, the anthraquinone was converted to rhein anthrone for 23.5 (SD +/- 3...
The present study was undertaken to investigate the role of prostaglandins in the shortening of transit time observed after intraduodenal administration of rhein anthrone and rhein. After intraduodena...
The two radioactive compounds were administered intracaecally to rats, and the recovery rates amounted to 89.9% for 14C-rhein and to 97.4% for 14C-rhein anthrone after 5 days. All organs and tissues s...
After single intracaecal administration of [14C]rhein (25 mg kg-1) and [14C]rhein anthrone (20 mg kg-1) to rats, the summated recovery rates of 14C after five days were in urine 37(+/- 8.3)% and 2.8(+...
The effect of rhein and rhein anthrone on the transit and the transport of water and electrolytes in the large intestine was investigated in germ-free rats. After intracaecal administration, neither o...