[Comprehensive quality appraisal of "maidong"]

According to the contents of 14 kinds of constituents, 6 samples of Maidong from various habitats were comprehensively appraised by the weighted method with factor analysis and fuzzy mathematic method. The results showed that certified Maidong (Ophiopogon japonicus) was superior to its substitute Shanmaidong(Liriope spp.), and the sample from Xiaoshan county was the best in 3 samples of certified goods. Being consistent with the result of the traditional appraisal, the method used in this paper may provide a new means for appraising traditional medicinal materials.