Identification method
Microscopic identification
Fruit (removal of perianth) Longitudinal section: 1 to 2 rows of pericarp cells, filled with fine cubic crystals. Species
The 1-2 rows of skin cells are yellow-brown. The outer endosperm is thin, and the endosperm is located in the center of the horseshoe-shaped embryo, containing fine starch grains.
Powder (including persimmon) features: grayish green or brownish brown.
1 Non-glandular hairs consist of 2-3 cells, some with alcove.
2 The stone cell wall is slightly thick and pits are sparse; some of the stone cells are short-fibrillar, 65-150 μm long, and the walls are thick and woody.
3 The surface of the perianth lobe epidermal cells is polygonal; the pores are round, yellow-brown, infinitive, and 4-5 secondary cells.
4. Peripheral wall of pericarp cells is slightly wavy and the cells are filled with small square crystals. Blind Trail 3-13m. Occasionally clustered.
Five kinds of skin cells are yellow-brown and slightly rectangular or square.
Physical and chemical identification
1, take this product powder 0.5g placed in a test tube, add distilled water 10ml, warm soak 10min, filtered. The filtrate was vigorously shaken in a test tube to produce a persistent foam, and the foam disappeared after being left for 10 minutes. (Check saponins)
2, take this product powder 10g, add 15% sulfuric acid 30ml, with 100ml chloroform extraction. Take chloroform extract 5ml, set the evaporating dish to dry, and add chloroform saturated solution of lanthanum chloride, then brownish purple. (Check crickets)
3, take this product of methanol leaching solution 2ml, add 4-5 drops of concentrated hydrochloric acid and a little magnesium powder, heated on a water bath for 2min is significantly light red. (Check flavonoids)
4, this product powder 10g, add acidic water warm soak 30min, respectively, take the filtrate 2ml set 4 test tubes, respectively, cesium iodide potassium reagent, iodine-potassium iodide reagent, silicotungstic acid reagent, potassium iodide reagent, all produced precipitation. (check alkaloids)
5, thin layer chromatography to take this product powder 10g, set in a round bottom flask, add 15% sulfuric acid 30ml, chloroform 100ml, reflux hydrolysis 2h, filtration. The filtrate was separated into a chloroform layer, chloroform was recovered, and the volume was set to 10 ml as a test solution. Another reference substance of oleanolic acid was taken as a control solution after adding ethanol. The sample solution and reference solution were sampled on the same silica gel G (Shanghai Fluorescent Chemical Factory) thin plate. It was developed with chloroform-acetone-cyclohexane (2:1:7). Take out and dry, spray 5% phosphomolybdic acid ethanol test solution, after heating, the test solution chromatography in the corresponding position with the reference solution chromatography, the same blue spots.
Application identification
Kochia scoparia and Sophora flavescens: They are all damp and heat, and cause chills and itching, and all have diuretic effect. Therefore, the skin pruritus caused by rheumatism and skin pruritus caused by women's genital itch, and the urination of urine and urination are unfavorable. Cards can be applied. But still have their own characteristics, Kochia scoparia dampness and dampness better itching, it is due to partial treatment of rheumatic fever caused by the skin and women genital itching, urinating pain. Sophora flavescens is characterized by bitter cold and strong heat, so the external treatment of hot toxic itching sores, internal cure diarrhea, jaundice and so on. Kochia scoparia and Phellodendron: Kochia scoparia has been treated with water, clearing away heat, and the type of work is quite suitable for Phellodendron. However, Phellodendron its bitter, this bitter and sweet, cork and diarrhea, bladder heat, this is less powerful.
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