Hawthorn Tiaozhong Pill Identification

Hawthorn Tiaozhong Pill Identification

(1) Take this product and observe under the microscope: Irregular branched clumps are colorless, dissolved in chloral hydrate solution; hyphae are colorless or light brown, with a diameter of 4-6 μm. Peel stone cells are purplish red, red or yellowish brown, round or polygonal, and have a diameter of about 125 μm. The seed coat cells are 80-150 μm long, and the seed coat cells are yellow-brown or red-brown, and the shape is irregular. A cluster of calcium oxalate needles is present in mucous cells, 80 to 40 μm long, and 2 needle diameters.
~8 μm.
(2) Take 2 g of this product, add appropriate amount of diatomaceous earth, grind it evenly, add 30 ml of chloroform, immerse for 2 hours at room temperature, shake it at any time, filter it, and evaporate the filtrate. Add chloroform 1 ml to dissolve the residue, and use it as a test solution. Another oleanolic acid reference substance was added, and chloroform was added to prepare a solution containing 1 mg per 1 ml as a reference solution. Thin layer chromatography (Appendix 57)
In the test, 10 μl of each of the above two solutions was aspirated and spotted on the same silica gel G thin layer plate with chloroform-diethyl ether (1:
1) As a developing agent, unrolled, taken out, air-dried, sprayed with a sulfuric acid-water (1:1) solution, and baked at 105 ° C for about 10 minutes. In the chromatogram of the test sample, spots of the same color are displayed at positions corresponding to the chromatogram of the reference substance.

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