Method for rapidly identifying authenticity of radix cyathulae
An identification method, the technology of Chuan Achyranthes bidentata, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of difficult to achieve rapid identification, complicated process, time-consuming, etc., and achieve the effect of low detection cost, simple operation and high sensitivity
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Embodiment 1
[0029] Embodiment 1 Detection method of the present invention
[0030] Sample: Sample 1
[0031] Identification: Follow the steps below:
[0032] (1) Observe the color of the outer skin of the sample, which is light red, which is a positive result;
[0033] (2) Remove the outer skin of the sample, observe the color, and it is bright red, which is a positive result;
[0034] (3) Observe the color of the cross-section of the sample, it is bright red, which is a positive result;
[0035] (4) Take a part of the sample, taste it in the mouth, it is extremely bitter and extremely numb, which is a positive result;
[0036] (5) Foam test: Take an appropriate amount of sample, crush it, pass it through a No. 3 sieve, weigh 0.3 g, put it in a test tube, add 10 mL of water, shake vigorously for 1 min, and let it stand for 5 min. If a large amount of persistent foam is produced on the liquid surface, it is a positive result.
[0037] (6) Judgment of results: Observe or test the follow...
Embodiment 2
[0056] Embodiment 2 Achyranthes bidentata true and false identification
[0057] Sample: Sample 2
[0058] Identification: Follow the steps below:
[0059] (1) Observe the color of the outer skin of the sample, which is yellowish brown, which is a negative result;
[0060] (2) Remove the outer skin of the sample, observe the color, and it is light yellow, which is a negative result;
[0061] (3) Observe the color of the cross-section of the sample, it is light red, which is a positive result;
[0062] (4) Take a part of the sample, taste it in the mouth, it is slightly bitter and slightly numb, which is a positive result;
[0063] (5) Foam test: take an appropriate amount of sample, crush it, pass it through a No. 3 sieve, weigh 0.2 g, put it in a test tube, add 5 mL of water, shake vigorously for 0.5 min, and let it stand for 3 min. A large amount of persistent foam is produced on the liquid surface, which is a positive result.
[0064] (6) Judgment of results: the identi...
Embodiment 3
[0065] Embodiment 3 Sichuan Achyranthes bidentata true and false identification
[0066] Sample: Sample 3
[0067] Identification: Follow the steps below:
[0068] (1) Observe the color of the outer skin of the sample, which is taupe, which is a negative result;
[0069] (2) Remove the outer skin of the sample, observe the color, and it is brownish yellow, which is a negative result;
[0070] (3) Observe the color of the cross-section of the sample, which is light yellow, which is a negative result;
[0071] (4) Take a part of the sample, taste it in the mouth, it is bitter and numb, and it is a positive result;
[0072] (5) Foam test: Take an appropriate amount of sample, crush it, pass it through a No. 3 sieve, weigh 0.5 g, put it in a test tube, add 20 mL of water, shake vigorously for 2 minutes, and let it stand for 10 minutes. A large amount of persistent foam is produced on the liquid surface, which is a positive result.
[0073] (6) Judgment of results: the identifica...
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