Preparation method and applications of Eleutherine plicata Herb effective parts for treating coronary heart disease
A technology of effective parts and small red garlic is applied in the field of preparation of effective parts of small red garlic, and can solve the problems of no preparation method of effective parts of small red garlic and the like
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Embodiment 1
[0086] Take small red garlic, add 8 times the amount of 80% ethanol, soak for 30 minutes, reflux twice, each time for 2 hours, filter, combine the extracts, concentrate under reduced pressure to 0.1g crude drug / mL, adjust the pH to 3, and use it as the sample solution;
[0087] The loading liquid is dynamically adsorbed by the macroporous adsorption resin D-101, the loading speed is 2BV / h, and the resin diameter-to-height ratio is 1:8. After the adsorption is completed, wash with water until neutral, discard the washing liquid, and then add 8BV 80% ethanol is used for dynamic analysis, and the analysis speed is 1BV / h. The analysis liquid is concentrated under reduced pressure to recover the solvent, and the effective parts of the small red garlic are obtained after vacuum drying. Among them, the total naphthoquinone content in the effective part is measured by UV direct method, which is 50%; isofulvedin, shallotine and shallot A are determined by high performance liquid chromat...
Embodiment 2
[0089] Take small red garlic, add 10 times the amount of 85% ethanol, soak for 40 minutes, reflux twice, each time for 2 hours, filter, combine the extracts, concentrate under reduced pressure to 0.2g crude drug / mL, adjust the pH to 4, and use it as the sample solution;
[0090] The loading liquid is dynamically adsorbed through the macroporous adsorption resin X-5, the loading speed is 2BV / h, and the diameter-to-height ratio of the resin is 1:6. After the adsorption is completed, wash with water until neutral, discard the washing liquid, and then add 10BV 85% ethanol is used for dynamic analysis, the analysis speed is 2BV / h, the analysis solution is concentrated under reduced pressure to recover the solvent, and the effective part is obtained after vacuum drying. Among them, the total naphthoquinone content in the effective part is measured by UV direct method, which is 52%; isofulvedin, shallot and shallot A are determined by high performance liquid chromatography, and the co...
Embodiment 3
[0092] Take small red garlic, add 10 times the amount of 85% ethanol, soak for 30 minutes, reflux twice, each time for 2 hours, filter, combine the extracts, concentrate under reduced pressure to 0.2g crude drug / mL, adjust the pH to 4, and use it as the sample solution;
[0093] The loading liquid is dynamically adsorbed by the macroporous adsorption resin D-101, the loading speed is 1BV / h, and the diameter-to-height ratio of the resin is 1:8. After the adsorption is completed, wash with water until neutral, discard the washing liquid, and then add 10BV Dynamic analysis was performed with 90% ethanol at a rate of 3BV / h. The analysis solution was concentrated under reduced pressure to recover the solvent, and the effective fraction was obtained after vacuum drying. Among them, the total naphthoquinone content in the effective part is determined by the UV direct method, and it is 65%; isofulvedin, shallotin and shallot A are determined by high-performance liquid chromatography, a...
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