Fast sieving method for dihydropyridine blood-pressure lowering compound mixed in Chinese medicinal herb blood-pressure lowering product
A dihydropyridine and compound technology, which is applied in the direction of material analysis by observing the influence on chemical indicators, and analysis by making materials undergo chemical reactions, can solve the problem of inability to detect nifedipine, nitrendipine and nimodipine, Unable to obtain experimental results, inconvenient storage and use, etc., to achieve the effects of short detection time, high promotion and application value, and low cost
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Embodiment 1
[0090] The detection kit consists of:
[0091] Reagent A: acetone-ethanol solution with a volume ratio of 5:1;
[0092] Reagent B: potassium hydroxide-ethanol solution with a mass concentration of 2%;
[0093] The kit also includes ten 5ml stoppered vials, ten filter-tips and ten graduated syringes.
[0094] Take 1 tablet of Qingnao Jiangya Tablet, crush it, add reagent A equivalent to 5 times the mass of Qingnao Jiangya Tablet, shake to dissolve, filter, the filtrate is light brown, take 1ml of filtrate, add 5 drops of reagent B , Shake well, the solution has no color change, the result is consistent with reality.
Embodiment 2
[0096] The detection kit consists of:
[0097] Reagent A: acetone-ethanol solution with a volume ratio of 5:1;
[0098] Reagent B: potassium hydroxide-ethanol solution with a mass concentration of 3%;
[0099] The kit also includes 20 5ml stoppered vials, 20 filter-tips and 20 graduated syringes.
[0100] Take 1 piece of compound Danshen tablet, break it, add reagent A equivalent to 6 times the mass of compound Danshen tablet, shake to dissolve, filter, the filtrate is light brown, take 1ml of filtrate, add 3 drops of reagent B, shake well, There was no color change in the solution, which is consistent with reality.
Embodiment 3
[0102] The detection kit consists of:
[0103] Reagent A: acetone-ethanol solution with a volume ratio of 5:1;
[0104] Reagent B: potassium hydroxide-ethanol solution with a mass concentration of 2%;
[0105] The kit also includes a 5ml stoppered vial, a filter tip and a graduated syringe.
[0106] Take the content of 1 Naoliqing capsule, mix it with 1 mg of nifedipine, add reagent A equivalent to 7 times the total mass of Naoliqing capsule and nifedipine, shake to dissolve, filter; take 1ml of filtrate, drop Add 4 drops of reagent B, shake well, the solution turns from light yellow to reddish brown, the result is consistent with reality.
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