Construction method for HPLC fingerprint of Chinese patent medicine erosion-removal suppository
A fingerprint and construction method technology, applied in the field of construction of HPLC fingerprint of Chinese patent medicine, can solve the problems of controlling product quality, difficult to react the product as a whole, achieving good reproducibility, reducing the possibility of sample quality meeting the standard, The effect of accurate and reliable control
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Embodiment 1
[0032] Example 1: The quality control method of Xiaomishuan based on fingerprint.
[0033] Instruments: UltiMate 3000 HPLC, UV DAD detector; Mettler AE240 1 / 100,000 analytical balance (Shanghai Mettler-Toledo Instrument Co., Ltd.); AB204-E electronic balance (Shanghai Mettler-Toledo Instrument Co., Ltd.), etc.
[0034] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0035] Test drugs: catechin, epicatechin, matrine, berberine hydrochloride (all from China National Institutes for Food and Drug Identification), and "Xiaomishuan" provided by Tongyao Pharmaceutical Group Co., Ltd.
[0036] Preparation of the test solution: remove the mita suppository sample, cut it into pieces, take about 3g, accurately weigh it, put it in a stoppered Erlenmeyer flask, add 50mL of 50% methanol aqueous solution precisely, weigh it, and heat it in a water bath at 50°C. Fully dissolve, take out, let cool,...
Embodiment 2
[0043] Example 2: The quality control method of Xiaomishuan based on fingerprint.
[0044] Instrument: L3000-Rigol high performance liquid chromatography, ultraviolet detector; MS205DU analytical balance (Shanghai Mettler-Toledo Instrument Co., Ltd.);
[0045] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0046] Test drugs: catechin, epicatechin, matrine, berberine hydrochloride (all from China National Institutes for Food and Drug Identification), and "Xiaomishuan" provided by Tongyao Pharmaceutical Group Co., Ltd.
[0047] Preparation of the test solution: cancel the mitobolus sample, cut it into pieces, take about 5g, accurately weigh it, put it in a stoppered Erlenmeyer flask, accurately add 100mL of 50% methanol aqueous solution, weigh it, and heat it in a water bath at 70°C. Fully dissolve, take out, let cool, ultrasonic treatment (power 250W, frequency 50kHZ) 60min, let coo...
Embodiment 3
[0054] Example 3: Establishment of a fingerprint method for a Chinese patent medicine "Xiaomishuan".
[0055] Instrument: Agilent 1200 high performance liquid chromatography, ultraviolet detector; MS205DU analytical balance (Shanghai Mettler-Toledo Instrument Co., Ltd.);
[0056] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0057] Test drugs: catechin, epicatechin, matrine, berberine hydrochloride (all from China National Institutes for Food and Drug Identification), and "Xiaomishuan" provided by Tongyao Pharmaceutical Group Co., Ltd.
[0058] Preparation of the test solution: cancel the mitobolus sample, cut it into pieces, take about 2g, weigh it accurately, put it in a stoppered Erlenmeyer flask, add 25mL of 20% methanol aqueous solution precisely, weigh it, and heat it in a water bath at 70°C. Fully dissolve, take out, let cool, ultrasonic treatment (power 250W, frequency 50k...
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