Detection method of Wuweiganlu preparation
A detection method and manna technology, which are applied in measuring devices, preparation of samples for testing, instruments, etc., can solve the problems of difficulty in showing the characteristics of preparations by microscopic identification, no content determination, and no medicinal materials.
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experiment example 1
[0085] Experimental example 1: Microscopic identification of juniper and water cypress branches
[0086] (1) Instrument
[0087] Microscopes, cameras, glass slides, coverslips, electronic balances, pipettes, filter paper, sonicators.
[0088] (2) Reagents
[0089] Chloral Hydrate, Glycerin, Distilled Water, Acetic Acid.
[0090] (3) Inspection method:
[0091] Selection of permeabilization solvent: Use chloral hydrate test solution, acetic acid glycerin test solution, dilute glycerin and other solutions as permeabilization solvents;
[0092] Selection of permeabilization method: adopt traditional heating permeabilization method and oven heating method respectively;
[0093] The above permeabilization solvents and permeabilization methods were respectively selected for testing, and the results are shown in Table 1 below:
[0094] Table 1
[0095]
[0096] Repeated tests under the above conditions finally determined the specific microscopic identification method of ju...
experiment example 2
[0098] Experimental example 2: TLC identification of rhododendron
[0099] (1) Instrument
[0100] Mortar, electronic scale, measuring cylinder, flat bottom flask, condenser tube, rubber tube, water bath, ultrasonic extractor, funnel, filter paper, evaporating dish, separatory funnel, absorbent cotton, spotter, silica gel GF254 plate, chromatography cylinder, ultraviolet spot analyzer.
[0101] (2) Control medicinal materials
[0102] Rhododendron as reference medicinal material (batch number: 121394-200401) was purchased from China Institute for the Identification of Pharmaceutical and Biological Products.
[0103] (3) Reagents
[0104] Ethanol, ether, methanol, toluene, ethyl acetate, formic acid, distilled water, acetone.
[0105] (4) Inspection method:
[0106] Selection of extraction solvent: use methanol, ethanol, and acetone as extraction solvents respectively;
[0107] Selection of extraction methods: ultrasonic and heating reflux respectively;
[0108] The ch...
experiment example 3
[0114] Experimental example 3: TLC identification of juniper
[0115] (1) Instrument
[0116] Mortar, electronic scale, measuring cylinder, Erlenmeyer flask, flat-bottomed flask, condenser tube, rubber tube, water bath, ultrasonic extractor, funnel, filter paper, sample spotter, silica gel G plate, chromatography cylinder, UV spotting analyzer.
[0117] (2) Control medicinal materials
[0118] Juniper control medicinal material (batch number: 121485-200503) was purchased from China National Institute of Pharmaceutical and Biological Products.
[0119] (3) Reagents
[0120] Absolute ethanol, methanol, ethanol, chloroform, ammonia, distilled water.
[0121] (4) Inspection method:
[0122] Selection of extraction solvent: absolute ethanol, methanol, and ethanol are used as extraction solvents;
[0123] Selection of extraction methods: ultrasonic and heating reflux respectively;
[0124] The choice of developer: respectively use chloroform-methanol-concentrated ammonia tes...
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