Improvement of Excretion Methods and Studying the Composition and Properties of Birch Bark Extracts

被引:0
|
作者
Kuznetsov, B. N. [1 ,2 ]
Kuznetsova, S. A. [1 ]
Levdansky, V. A. [1 ]
Sudakova, I. G. [1 ]
Veselova, O. F. [3 ]
机构
[1] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Ul K Marksa 42, Krasnoyarsk 660049, Russia
[2] Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
[3] Krasnoyarsk State Med Acad, Krasnoyarsk 660022, Russia
来源
CHEMISTRY FOR SUSTAINABLE DEVELOPMENT | 2005年 / 13卷 / 03期
关键词
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Results of the research into improved techniques to excrete the extracts of biologically active betulin, suberic and tanning agents from the wastes of birch bark are presented. A short-term activation of bark by superheated steam has been used to intensify the processes of excretion of extractives. Selection of optimum conditions for bark activation that ensure the maximum yield of betulin, suberic and tanning agents has been performed. It has been shown that the use of betulin extracts is viable to yield gastroprotective preparations, whereas the use of suberic materials is viable in production of film-forming materials.
引用
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页码:389 / 398
页数:10
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