[Effects of environmental factors on volatile constituent ligustilide of slices of Chuanxiong Rhizoma].

OBJECTIVE: To investigate the effects of environmental factors on the volatile constituent ligustilide of the slices of Chuanxiong Rhizoma. METHODS: To study the optimal condition for storage of Chuanxiong Rhizoma slices by orthogonal design. The storage condition was optimized with illumination, oxygen, temperature and storage time as the observation factors. Each factor set three levels. With ligustilide as deteciion index,the content was measured by HPLC. RESULTS: Temperature was the primary factor of the content of ligustilide,the second was the storage time, then the illumination. The influence of oxygen was the smallest. CONCLUSION: The optimum condition for storage of the slices of Chuanxiong Rhizoma is sealed package,under weak light and low temperature,with storage time as short as possible.

[Preliminary study on correlation between diversity of soluble proteins and producing area of Cordyceps sinensis].

To analyze the content and type of soluble proteins in Cordyceps sinensis from different producing areas and processed with different methods with bradford method and 2-DE technology, in order to discover significant differences in soluble proteins in C. sinensis processed with different methods and from different producing areas. The preliminary study indicated that the content and diversity of soluble proteins were related to producing areas and processing methods to some extent.