Method for constructing HPLC (High Performance Liquid Chromatography) characteristic chromatogram of heart-nourishing hypnotic capsule
A technology of characteristic map and construction method, which is applied in the field of HPLC characteristic map construction of Yangxin Anmian Capsules, can solve the problems of cumbersome operation, low sensitivity of detection equipment, specificity and poor reproducibility of content determination method, and achieve good precision and method stable effect
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Embodiment 1
[0068] Example 1: A method for constructing the HPlC characteristic map of Yangxin Anmian Capsules
[0069] 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.
[0070] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0071] Reagents: mangiferin, liquiritin, schisandrin A, schisandrin A, schisandrin B (all from China National Institute for Food and Drug Identification).
[0072] Method and Results
[0073] (1) Take about 1g of the contents of Yangxin Anmian Capsules, accurately weighed, accurately add 25ml of 70% ethanol, weighed, ultrasonically treat for 30 minutes, let cool, make up the lost weight with methanol, filter, and take the filtrate , that is;
[0074] (2) Preparation of reference solution: take an appr...
Embodiment 2
[0079] Example 2: A construction method of HPlC characteristic map of Yangxin Anmian Capsules
[0080] 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.
[0081] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0082] Reagents: mangiferin, liquiritin, schisandrin A, schisandrin A, schisandrin B (all from China National Institute for Food and Drug Identification).
[0083] Method and Results
[0084] (1) Preparation of the test solution: take about 2 g of the content of Yangxin Anmian Capsules, accurately weighed, accurately add 25 ml of methanol, weigh, ultrasonically treat for 30 minutes, let cool, make up the lost weight with methanol, filter After that, take the continued filtrate to obtain;
[0085] (2) Prepa...
Embodiment 3
[0090] Example 3: A method for constructing the HPlC characteristic map of Yangxin Anmian Capsules
[0091] 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.
[0092] Reagents: methanol, etc. are analytically pure, phosphoric acid and acetonitrile are chromatographically pure, and water is ultrapure water.
[0093] Reagents: mangiferin, liquiritin, schisandrin A, schisandrin A, schisandrin B (all from China National Institute for Food and Drug Identification).
[0094] Method and Results
[0095] (1) Preparation of the test solution: take about 3 g of the content of Yangxin Anmian Capsules, accurately weighed, accurately add 50 ml of methanol, weigh, ultrasonically treat for 40 minutes, let cool, make up the lost weight with methanol, filter After that, take the continued filtrate to obtain;
[0096] (2) ...
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