Prepared Root And Rhziome of Sorrel Rhubarb
Radix et Rhizoma Rhei Praeparata
Zhi Da Huang

About

Properties in Traditional Chinese Medicine

Cold; bitter

Part(s) used

Potential toxicity/side effects

Functions/effects it is traditionally believed to have

Treatment of fever with constipation, retention of the feces and abdominal pain, dysentery with inadequate discharge from the bowels, jaundice caused by damp-heat, haematemesis, epistaxis, inflammation of eye and swelling of the throat due to heat in the blood, appendicitis with abdominal pain, boils, sores and abscess, amenorrhea due to blood stasis, traumatic injuries, hemorrhage from the upper gastrointestinal tract. external use for scalds and burns.radixet rhizoma rhei (stir-fried with wine) inflammation of the eye, swelling of the throat and painful swelling of the gums. radix et rhizoma rhei (prepared) boils, sores and abscess. radix et rhizoma rhei (carbonized) hemorrhage with blood stasis due to heat in the blood.

Conditions/symptoms it is traditionally used to treat

1. sennoside a is the component for purgation.2. promoting biliary secretion and enhancing the amount of bilirubin and bile acid.3. rhein and emodin exert bacteriostatic effect by inhibting the synthesis of dna, rna and protein in bacteria4. emodin is a component for hypotensive5. oral use of its extract reduces the raio of serum cholesterol and total phospholipid in rabbits with hypercholesterolemia.6. chrysophanol, an other active component, exerts a hemostatic effect.