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用共溶液法及研磨法制备了ＶＤ＿２ β环糊精包合物，并测定其在室温（２０—２５℃）及８０℃加速试验时的稳定性，结果表明：ＶＤ＿２β经环糊精包合后稳定性大大提高。
VD_2 β cyclodextrin inclusion complex was prepared by co-solution method and grinding method. The stability of VD_2 β cyclodextrin inclusion complex was tested at room temperature (20-25 ℃) and accelerated at 80 ℃. The results showed that VD_2β inclusion complex Greatly improved stability.