A Study on the Seed Quality and Primary Processing of the Fresh Product of Cistanche deserticola / 世界科学技术-中医药现代化

ABSTRACT

The aim of this study was to evaluate the seed quality of C.deserticola and establish quality grading rules of seeds by detecting the impacts of different processing methods on the contents of the effective components of C.deserticola for optimizing the suitable processing method.The seed quality was judged by thousand-kernel weight,empty embryo rate and water content.The samples were preliminary processed by freeze-drying,natural drying and hot air circulation drying respectively,and the content of phenylethanoid glycosides was determined by HPLC-UV.The seed quality classification standard of C.deserticola was established,and the seeds were divided into three grades based on the standard.It was found that freeze-drying method was optimum,featuring less effective component loss,beautiful appearance of herbal piece,crisp texture and fast drying.In conclusion,this study laid a foundation for the quality control of the seeds of C.deserticola with the provision of scientific evidence for the initial processing of the fresh product.