Quality detecting method of alpinia zerumbet medicinal material
A quality detection method and technology for medicinal materials, which are applied in measuring devices, material separation, and analysis of materials, etc., can solve the problem that the quality of Yanshan ginger medicinal materials cannot be effectively controlled, and achieve quality control, good recovery rate, and high accuracy and sensitivity. Effect
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Embodiment 1
[0024] A quality detection method for the medicinal material of Yanshan Ginger, comprising the following steps:
[0025] (1) Preparation of the test solution: Accurately weigh 0.5g of medicinal material powder (passed through a 60-mesh sieve), accurately add 30mL of methanol, accurately weigh, extract in a water bath at 80°C for 2 hours, take it out and let it cool, and accurately weigh , use methanol to make up for weight loss, shake well, and filter through a microporous membrane (0.45 μm) to get final product;
[0026] Weigh two parallel samples S 1 , S 2 :
[0027]
[0028] (2) Preparation of reference substance solution: Accurately weigh 5.1 mg of demethoxycapsaicin reference substance dried to constant weight by phosphorus pentoxide, put it in a 25mL volumetric flask, add methanol to dissolve and dilute to the mark, shake well, and prepare into a reference solution containing 0.204 mg of demethoxycapsaicin per 1 mL. Dilute the above stock solution solution to a re...
Embodiment 2
[0040] A quality detection method for the medicinal material of Yanshan Ginger, comprising the following steps:
[0041] (1) Preparation of the test solution: Accurately weigh 0.5g of medicinal material powder (passed through a 60-mesh sieve), accurately add 30mL of methanol, accurately weigh, extract in a water bath at 80°C for 2 hours, take it out and let it cool, and accurately weigh , use methanol to make up for the weight loss, shake well, and filter through a microporous membrane (0.45 μm). ;
[0042] Weigh two parallel samples S 1 , S 2 :
[0043]
[0044] All the other are the same as embodiment 1
[0045] The measurement results:
[0046] sample injection Reference solution sample 1 sample 2 retention time (min) 12.73 12.70 12.76 Peak area 1528.7 1120.5 1132.1
[0047] ②Calculation: (average content 3.0270g / bag)
[0048]
Embodiment 3-12
[0050] Embodiment 3-12 ten batches of test sample measurement results are shown in the following table (method is the same as embodiment 1):
[0051] Example Batch Demethoxycapsaicin content (mg / g) 3 201107255 5.42 4 201107262 5.01 5 201107261 9.60 6 201107254 5.81 7 201107234 6.65 8 201107231 5.32 9 201108102 5.55 10 201108042 6.34 11 201108092 9.02 12 201108091 5.05
[0052] According to the content measurement results of 12 batches of samples in the above examples 1-12, and considering the difference in the place of origin of the medicinal materials, the picking period and the texture, it is determined that the content of demethoxycapsaicin in this medicinal material should not be less than 5 mg / g (calculated as dry product) ).
[0053]
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