| 摘要 |
［Objectives］ To study the microscopic characteristics and routine detection of Hedyotis hedyotidea (DC.) Merr. [Methods] The microscopic characteristics of the root, stem cross section and the whole plant powder of H. hedyotidea were studied by the methods of slide-shaft section, biological staining and microscopic imaging; the routine detection items such as moisture, ash, acid-insoluble ash and extract were detected and analyzed in accordance with the requirements of Chinese Pharmacopoeia. [Results] The microscopic characteristics of the root, the stem and the whole plant powder of H. hedyotidea were obtained. The moisture content of 10 batches of H. hedyotidea samples was in the range of 4.25%-7.90%, the water-soluble extract is in the range of 15.08%-22.52%, the total ash was in the scope of 8.27%-10.45%, and the acid-insoluble ash was in 0.13%-0.95%. The proposed water content of H. hedyotidea should not exceed 10.00%, the water-soluble extract should not be less than 12.00%, the total ash content should not exceed 13.00%, and the acid-insoluble ash content should not exceed 1.20%. [Conclusions] The results of this experiment can provide a reference for the quality control and quality standard of H. hedyotidea. |
