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1 DOI: /jcprm *. 1,2**,. 1,. 1,. 1,. 3 1,, 50/24,, ( ), 2,., 79,, ( ) 3,, 1,, ( ) 40% % 85 89%,. - 97,7%. :, -,, -.,,. :,,,,, -,.., Betula pendula Roth. (B. Verrucosa Ehrh.), Betula pubescens Ehrh. (B. alba L.), B. davurica Pall.,. 40%..,. ( ) 10 40%,,, [1 3].,,. -.,,,,./ : (391) , (391) , (391) ,.: (391) , [4]. - [5] ,, - [6 17]. * ( ), : DOI: /jcprm s. **,.

2 94.,.,.,.,., ( ), -,,. -. -, -, [6 8]., -,, - [9 18]., -.,,. : : - = [1, 19]. :.,,,,.,, 15 25% [12].,. - 32,3% 98%, 32,7% 99% [13]. [16] ,4% 16%., 96,7% 18%.., -,. - [20, 21]. Betula pendula Roth. in vivo.. Betula pendula Roth. 2 5, ,, 30, % % ,. -,, ,, 10, (1),, -. 2/3

3 95. (2). (1) (2), ,, 50, %-, 90 KOH , -. -,... - «-02» (, ). ProntoSIL C18 AQ 2,0 75 5,0. : (86 : 14), 200,0, 35, 4,0, 6. - «-» Windows (Ampersand Ltd.). FLASH TM Bruker DPX MHz = ( 1 ), DCl 3. Vektor OPUS, /1000 KBr. STA 449C Jupiter, QMS 403C Aeols ( NETSCH) ,5%, ,2 / , : = ( )/100,,. ( ) (0,2 /100 ). - 1,5% ( ), - ( ), ( ), ( ) %, 0, ,25 1% % -

4 96.,.,.,.,.. 1,.. ( ),.. -, -., ,,,, (, ),,. 1 ( ),. - 1, 5 35% 34,3 43,1% 32,5 39,1%.. 62,7 75,3% 79,3 89,3%., 10 25% 40% %,. 96,0%, ,,,. -, 2. 28,5%., 97,7%,.. :, -, -. (. 1), , , , %., %, %. NaOH KOH NaOH KOH ,3 32,5 62,7 79, ,4 38,0 73,7 85, ,8 37,4 74,0 86, ,1 36,7 75,3 89, ,5 39,1 73,1 88, ,9 38,7 74,2 88, ,9 39,0 73,9 88,3

5 97, %: ( ) 81,9; ( ) 11,5; ( ) 7,9., %: ( ) 81,4; ( ) 11,3; ( ) 7,2. 1 ( DCl 3 ) : 4,68 (, 1, 29- ), 4,58 (, 1, 29- ), 3,81 (, 1, 28- ), 3,35 (, 1, 28- ), 3,14 (, 1, 3- ), 2,38 (, 1, 19- ), 1,05 2,05 ( 2, ), 1,68 (, 3, 30- ), 1,02, 0,98, 0,97, 0,82, 0,76 (, 15, 5 3 )., ) = 3374, ) as = 2916,65 1, ) s = 2850,02 1, 3 ) s = 2887, ) as = 1470,82 1 ), 3 - ) s = 1374,99 1. R 1 R 2 C=CH 2 ) = 1644,49 1. ) = 3079,84 1, ) = 879, ) = 1028, ,. (. 2) - : (TG), (DTG) (DSC).,, DTG 135 ), 409 ( ) 449 ( ). 3,3%, 81,5%, 14,9%. DSC -.,,., 207,,,, 258, - ( ) /Z= 29, 31, 45 46,. DSC,. - DTG 135, (78,3 ).,, -., /Z= 55, 69, 81, 95,., - /Z= 16 44, 2, /Z= 57, 71,.., -,,, -,, - DSC.. - -,.

6 98.,.,.,.,. : ( 16) 6500, ( 50) 9000, ,3, -.,,, ( ) (ACT). - 3., -., ,.,, 400 3, 200, 146,9%. 2., 1 ** ** 28 3,5 0, ,75* 0,03 9, ,04 7. * p < 0,05 ( ); **, - ; = /100 (, ). 3.,,,, 4,32 0,42 4,38 0,76 2,59 0,30 159,88 34,28 3,94 0,51 2,66 0,54 2,52 0,54 169,02 47,51 3,11 0,51* 1,98 0,93* 1,88 0,45 111,59 19,95*. * p < 0,05. 4.,,, % 14,7 1, ,7 3,8* 47, ,3 4,0* 146, ,7 3,4* 60, ,8 4,2* 102, ,5 2,6* 33, ,4 2,8* 77,7. * p < 0,05.

7 % % 85 89%. 97,7%. :, -,., 135 -, 258, 409, 449. in vivo,,., -,. 1.. :,,, // ,. Betula // ,. //.., Wheeler J. Die Darstellung des Betulin durch Sublimation // Pharm. J N1. Pp Holmes E.M. Birch tar // Pharm. Jour N106. Pp ,.,.,.. // ,.,. - // , Matsuda H., Ishikado A., Nishida N. Hepatoprotective, superoxide scavenging and antioxidantive activities of aromatic constituents from the bark of betula platyphylla var. japonica // Bioorganic & Medicinal Chemistry Letters Vol. 8. P ,.,. cortex betula cem. Betulaceae // , Jääskelainen P. Betulinol and its utilization // Paperi ja Puu Vol. 63, N10. p Hayek E.W.H., Jordis U., Moche W., Sauter F. A bicentennial of betulin // Phytochemistry Vol. 28, N2. Pp ( ). /., ( ). /.,., ( ). /., ( ). /.,., Patent (US). Depolymerization extraction of compounds from birch bark / P.A. Krasutsky, I.V. Kolomitsyn, D.A. Krasutskyy Guoling Z., Weidong Y., Dan C. Simultaneous determination of betulin and betulinic acid in white birch bark using RP-HPLC // Journal of Pharmaceutical and Biomedical Analysis Vol. 43, N3. Pp Co M., Koskela P., Eklund-Aakergren P., King J. Pressurized liquid extraction of betulin and antioxidants from birch bark // Green Chemistry Vol. 11, N5. p Cao Dan, Zhao Guoling, Yan Weidong Solubilities of betulin in fourteen organic solvents at different temperatures // Journal of chemical engineering data Vol. 52, N4. p ,.,.,.,. - // ,.,.,.,.,.,. // C

8 100.,.,.,.,. Kuznetsova S.A. 1,2*, Skvortsova G.P. 1, Maliar Iu.N. 1, Skurydina E.S. 1, Veselova O.F. 3 EXTRACTION BETULIN FROM BIRCH BARK AND STUDY OF ITS PHYSICOCHEMICAL AND PHARMACOLOGICAL PROPERTIES 1 Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, Akademgorodok, 50/24, Krasnoyarsk, (Russia), 2 Siberian Federal University, Svobodny Prospect, 79, Krasnoyarsk, (Russia) 3 Krasnoyarsk State Medical University, Partizana Zhelezniaka, 1, Krasnoyarsk, (Russia) It was extracted the products with yield about 40% by mas. of absolutely dry birch bark and the content in which 74 to 75% and 85-89% in the presence of sodium and potassium hydroxide, respectively. It was presented the one- step method of extraction high purity of betulin 97,7%. Betulin identified using of physicochemical methods: elemental analysis, IR and NMR spectroscopy, electron scanning microscopy, studied the thermal characteristics of betulin. It is shown that betulin exhibits gastroprotective, hepatoprotective and capillaries strengthening properties. Keywords: birch bark, betulin, sodium hydroxide, potassium hydroxide, gastroprotective, hepatoprotective, capillaries strengthening properties. References 1. Kislitsin A.N. Khimiia drevesiny, 1994, no. 3, pp (in Russ.). 2. Pokhillo N.D., Uvarova N.I. Khimiia prirodnykh soedinenii, 1988, no. 3, pp (in Russ.). 3. Zhuchenko A.G., Cherkasova A.I. Sbornik trudov SverdNIIP drevesiny, oscow, 1969, no. 4, pp (in Russ.). 4. Wheeler J. Pharm. Jour., 1899, no. 1, pp Holmes E.M. Pharm. Jour., 1921, no. 106, pp Tolstikov A.G., Flekhter O.B., Shul'ts E.E., Baltina L.A. Khimiia v interesakh ustoichivogo razvitiia, 2005, no. 13, pp (in Russ.). 7. Tolstikov T.G., Sorokina I.V., Tolstikov G.A. Bioorganicheskaia khimiia, 2006, vol. 32, no. 1, pp (in Russ.). 8. Matsuda H., Ishikado A., Nishida N. Bioorganic & Medicinal Chemistry Letters, 1998, vol. 8, pp Abyshev A.Z., Agaev E.M., Guseinov A.B. Khimiko-farmatsevticheskii zhurnal, 2007, vol. 41, no. 8, pp (in Russ.). 10. Jääskelainen P. Paperi ja Puu., 1981, vol. 63, no. 10, pp Hayek E.W.H., Jordis U., Moche W., Sauter F. Phytochemistry, 1989, vol. 28, no. 2, pp Patent (USSR) Patent (RU) Patent (RU) Patent (RU) Patent (US) Guoling Z., Weidong Y., Dan C. Journal of Pharmaceutical and Biomedical Analysis, 2007, vol. 43, no. 3, pp Co M., Koskela P., Eklund-Aakergren P., King J. Green Chemistry, Vol. 11, N5. p Cao Dan, Zhao Guoling, Yan Weidong. Journal of chemical engineering data, Vol. 52, N4. p Kuznetsova S.A., Skvortsova G.P., Kalacheva G.S., Zaibel' I.A., Khanchich O.A. Khimiia rastitel'nogo syr'ia, 2010, no. 1, pp (in Russ.). 21. Kuznetsova S.A., Kuznetsov B.N., Veselova O.F., Kukina T.P., Kalacheva G.S., Skvortsova G.P., Red'kina E.S. Khimiia rastitel'nogo syr'ia, 2008, no. 1, pp (in Russ.). Received July 3, 2012 Revised October 9, 2012 * Corresponding author.

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