[An evaluation method for physical properties of medicinal film and its application in screening film formulation of Trillium tschonoskii total saponins].

At present, the evaluation methods for pharmaceutical properties of Chinese medicinal films have many problems, such as poor objectivity for the indexes and no quantitative and standardized evaluation methods. This study established a new method using three important physical property parameters, i.e.

[Evaluation of cold resistance of four wild Carex speices].

Four wild Carex speices (C. rigescens, C. lancifolia, C.