Content measurement method of abrus herb capsules
A determination method, the technology of Jigucao, is applied in the field of content determination of Jigucao capsules, achieving the effect of perfect quality standard, strong specificity and good reproducibility
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Embodiment 1
[0103] Determination according to high performance liquid chromatography (Appendix VI D of Chinese Pharmacopoeia 2005 edition).
[0104] a) Preparation of the test solution Take the content of the chicken bone grass capsule, grind it finely, take about 0.5g, weigh it accurately, add 50% methanol 50ml, heat and reflux in a water bath for 2 hours, filter, and use 15ml 50% methanol for the residue Wash and filter several times, combine the filtrate and lotion and evaporate to dryness on a water bath, add water to dissolve the residue (2.0, 1.0, 1.0, 1.0ml), quantitatively add to the treated polyamide column (60-90 mesh , internal diameter 1.0cm, length 10cm, wet packing), let stand for 10 minutes, wash with 10ml of water, discard the water wash, then wash with 40ml of 60% methanol, collect the 60% methanol eluate, put it on a water bath and evaporate Dry, add 50% methanol to dissolve the residue in stages, quantitatively transfer it into a 10ml measuring bottle, add 50% methanol ...
Embodiment 2
[0112] Determination according to high performance liquid chromatography (Appendix VI D of Chinese Pharmacopoeia 2005 edition).
[0113] a) Preparation of the test solution Take the content of the chicken bone grass capsule, grind it finely, take about 0.6g, weigh it accurately, add 50ml of 70% methanol, heat and reflux in a water bath for 3 hours, filter, and use 15ml of 70% methanol for the residue Wash and filter several times, combine the filtrate and lotion and evaporate to dryness on a water bath, add water to dissolve the residue (2.0, 1.0, 1.0, 1.0ml), quantitatively add to the treated polyamide column (60-90 mesh, Inner diameter 1.0cm, length 10cm, wet packing), let stand for 10 minutes, eluted with 15ml of water, discarded the water washing solution, then eluted with 30ml of 70% methanol, collected the 70% methanol eluate, and evaporated to dryness on a water bath , add 60% methanol to dissolve the residue in stages, quantitatively transfer it into a 10ml volumetric ...
Embodiment 3
[0121] Determination according to high performance liquid chromatography (Appendix VI D of Chinese Pharmacopoeia 2005 edition).
[0122] a) Preparation of the test solution Take the content of the chicken bone grass capsule, grind it finely, take about 0.4g, weigh it accurately, add 50% methanol 50ml, heat and reflux in a water bath for 2 hours, filter, and use 20ml 30% methanol for the residue Wash and filter several times, combine the filtrate and lotion and evaporate to dryness on a water bath, add water to dissolve the residue (2.0, 1.0, 1.0, 1.0ml), quantitatively add to the treated polyamide column (60-90 mesh, Inner diameter 1.0cm, length 10cm, wet packing), let stand for 10 minutes, eluted with 8ml of water, discarded the water wash, then eluted with 40ml of 50% methanol, collected 50% methanol eluate, evaporated to dryness on a water bath , add 40% methanol to the residue to dissolve in stages, quantitatively transfer it into a 10ml measuring bottle, add 40% methanol ...
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