Identification of flowers
Identification
(1) The surface of the product: The pollen grain is yellow, spherical, diameter 23 ~ 45μm, the surface has a more obvious reticular pattern. Perianth trichomes have nonglandular hairs, single cells, many curved, 88 ~ 780μm long, 15 ~ 23μm in diameter, thicker walls, slightly verrucous processes.
(2) Take this product powder 1g, add petroleum ether (30 ~ 60 °C) 20ml, ultrasonic treatment for 30 minutes, filtered, the filtrate evaporated, the residue was dissolved in ethanol 1ml, as the test solution. Another take control of medicinal herbs 1g, with the legal system as a reference drug solution. According to the thin layer chromatography (Appendix VI B) test, 5 μl of each of the above two solutions were pipetted on the same silica gel G plate, and benzene-ethyl acetate (10:1) was used as a developing agent to develop and remove. Allow to dry and inspect under UV light (365nm). In the chromatogram of the test sample, the same sky blue fluorescent spot was observed at the position corresponding to the chromatogram of the reference drug.
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