The following triterpenoids have been found in various species of Diospyros (persimmon), which is widely used in the folk medicine of India: lupeol, betulin, hydroxyallobetulin, betulinic acid, bauerenol, a-amyrin, taraxerol, and oleanolic and ursolic acids [1][2][3][4][5]. Taraxerol, hydroxyallobetulin, and betulinic acid have been found in Diospyros lotus L. growing in Japan [6].We have investigated the triterpene composition of the bark of Diospyros lotus L. collected in the Azerbaidzhan SSR close to Lenkoran'. From a chloroform extract of the bark we isolated taraxerol , taraxerone, B-amyrin, betulinic acid, and the acetate of ursolic acid. For identification we obtained by the usual methods derivatives of these compounds which had melting points agreeing with those given in the literature.
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