01942nas a2200433 4500000000100000000000100001000000100002008004100003260000800044653001200052653003300064653001100097653001100108653001300119653000900132653001400141653001000155653001900165653002300184653001300207653002100220653003100241653002000272653001000292653001000302653001100312653001400323653002000337653001200357653001600369653002200385653001200407100001300419245006800432300001400500490000700514520096700521022002001488 2008 d cmay10aarticle10aIntangible cultural heritage10aPlants10aEdible10aApocynum10abook10achemistry10aDrugs10aChinese Herbal10aflavone derivative10aFlavones10aherbaceous agent10aisolation and purification10amedicinal plant10aplant10aPlant10aPlants10aMedicinal10aReference Books10aMedical10aShanhaijing10atannin derivative10aTannins1 aLiang Hu00aTextual research of medicinal and edible plants in Shanhaijing. a1226-12300 v333 aOBJECTIVE: To investigate the purification process of total flavones and total tannins from Apocynum venetum leaves with macroreticular resin.METHOD: The static capacity absorption, dynamic absorption ratio and dynamic elution ratio of different types of macroreticular resins were studied and compared in order to find the best one among the eight macroreticular resins, and the technical process of the type of HPD-400 type macroreticular resin was studied in detail.RESULT: The type of HPD-400 type macroreticular resin showed the best comprehensive absorption property with the following technological conditions: the current velocity was 1 BV x h(-1), the volume of distilled water was 2 BV, the eluting reagent was 60\% ethanol, and the volume of 60\% ethanol was 3 BV.CONCLUSION: The purity of total flavones and total tannins in the product is up to 80\% after purified with HPD-400 macroreticular resin. Therefore, this purification process is feasible. a10015302 (ISSN)