The invention relates to the technical field of medicines for conditioning
rheumatoid arthritis, and discloses an application of total flavonoids of radix tetrastigme in
rheumatoid arthritis treating medicines. The medicines are capable of conditioning the
rheumatoid arthritis. A preparation process of the total flavonoids of radix tetrastigme comprises the following steps: prpearing 10-30kg of coarse
powder of tubers of radix tetrastigme; conducting
reflux extraction for 3 times with the addition of
ethanol which is 65-75% in
volume percentage; combining extracting solutions, decompressing the combined extracting solutions and recovering
ethanol; keeping an obtained solution for a whole night and filtering the solution; extracting an obtained filtrate for three times by virtue of
petroleum ether and conducting
degreasing;
processing the greased filtrate by virtue of a
polyamide column; eluting the column sequentially by virtue of water and
ethanol which is 90-95% in
volume percentage; and decompressing an eluent of the ethanol which is 90-95% in
volume percentage and recovering ethanol until a dried material is obtained, namely the total flavonoids of radix tetrastigme. At present,
tripterygium glycosides, as a
traditional Chinese medicine, can take a relatively good effect on treating the rheumatoid
arthritis, however the
tripterygium glycosides can cause various toxic and side effects, such as relatively serious injury to female ovaries and male sperms, and subsequently, clinical application is limited. According to the invention, the total flavonoids of radix tetrastigme, on treating the rheumatoid
arthritis, is good in effect and free from toxic and side effects.