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Studies on the Stability and Structure of β-cyclodextrin Vitamin D_2 Inclusion Complex
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作者 PENG Xiang\|hong 1, ZHANG Li\|na 1, HUANG Jin 1, YANG Guang 1, ZHANG Ping\|yi 1, WANG Ye\|wen 2 (1 College of Chemistry and Environment Science,wuhan University,wuhan 430072,china 2.wuhan jianmin pharmaceutical factory,wuhan 430052,china) 《Wuhan University Journal of Natural Sciences》 CAS 1999年第4期468-468,共1页
The inclusion complex of β\|cyclodextrin (βCD) with Vitamin D 2 (VD 2 ) was prepared in 60% ethanol aqueous solution. The accelerated tests of the inclusion complex βCD\|VD 2 were performed under strong light, high... The inclusion complex of β\|cyclodextrin (βCD) with Vitamin D 2 (VD 2 ) was prepared in 60% ethanol aqueous solution. The accelerated tests of the inclusion complex βCD\|VD 2 were performed under strong light, high temperature and high humidity. The results showed that the content of VD 2 in the inclusion complex was still kept 85%~95% after two years, while that in the βCD and VD 2 mixture was just 17%~22%. It indicated that VD 2 in inclusion complex was much more stable than pure VD 2. Therefore, adding the inclusion complex βCD\|VD 2 into “Longmu” Zhuanggu Chongji, a medicine for children to prevent and cure rickets, can not only decrease the expense of VD 2, but also enhance the stability of the products. IR, X\|ray, DTA and UV techniques were used to characterize the structures of the inclusion complex. The results indicated that intermolecular hydrogen bonds formed in the βCD\|VD 2 inclusion complex. 展开更多
关键词 CYCLODEXTRIN vitamin D 2 inclusion complex STABILITY
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