Anticancer:

http://www.ncbi.nlm.nih.gov/pubmed/17022020

Anti-inflammatory:

http://www.sciencedirect.com/science/article/pii/S0928098712004307

Laxative:

http://www.ncbi.nlm.nih.gov/pubmed/19842421

Many medicinal uses of anthraquinones isolated from Cassia species are reported in this review

Dear Merish, Most of Anthraquinone glycosides are used as laxative and purgatives.These glycosides ar absorbed from the small intestine and re-excreted in the large intestine where they increase the motility so produce laxation. examples: Aloe,Senna, Terminalia chebula.

Dear Mr. merish, 

we have problem for contening anthraquinone in tea. regulation was banned tea product that contain anthraquinone. so.. could you please explain the effect anthraquinone in tea product?

Please follow the below given ResearchGate links.

Article Anthraquinones As Pharmacological Tools and Drugs

Article Anti-Cancer Properties of Anthraquinones from Rhubarb