A natural medicine preparation for preventing and treating atherosclerosis by regulating the balance of intestinal flora
A technology for atherosclerosis and regulation of intestinal flora, applied in drug combinations, medical preparations containing active ingredients, pharmaceutical formulas, etc., can solve chronic problems, inappropriate resistance, etc., and save time , high extraction rate and transfer rate, remarkable effect
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Embodiment 1
[0046]1. The preparation method of the described black corncob anthocyanin extraction and purification is as follows: the low-temperature air-dried black corncob is placed in a tissue crushing extractor, and the solid-liquid ratio is added to 50% ethanol at pH 3.0 of 1:6 The solution was crushed and extracted at room temperature for 2 min. Suction filtration, the resulting filter residue was added to a 50% ethanol solution with a solid-to-liquid ratio of 1:5 and pH 3.0, and ultrasonic extraction was used instead of ultrasonic extraction at room temperature for 1 time, extraction for 40 minutes, and suction filtration. The tissue fragmentation extract and the ultrasonic extract were combined, and concentrated by flash evaporation at 40°C to 1 / 6 of the original volume to obtain a concentrate. The concentrated solution was enriched and purified by macroporous adsorption resin Diaion HP 2MGL column chromatography for total anthocyanins. Rinse with distilled water until the eluent...
Embodiment 2
[0051] 1. The preparation method of the described black corncob anthocyanin extraction and purification is as follows: the low-temperature air-dried black corncob is placed in a tissue crushing extractor, and the solid-liquid ratio is 1:4 by adding 55% ethanol of pH 3.0 The solution was crushed and extracted at room temperature for 2 min. Suction filtration, the resulting filter residue was added to a 55% ethanol solution with a solid-to-liquid ratio of 1:3 and pH 3.0, and ultrasonic extraction was used instead of ultrasonic extraction at room temperature for 1 time, extraction for 30 minutes, and suction filtration. The tissue crushing extract and the ultrasonic extract were combined, flash-concentrated at 45°C to 1 / 5 of the original volume to obtain a concentrate. The concentrated solution was enriched and purified by macroporous adsorption resin Diaion HP 2MGL column chromatography for total anthocyanins. Rinse with distilled water until the eluate is colorless and transpa...
Embodiment 3
[0056] 1. The preparation method of the described black corncob anthocyanin extraction and purification is as follows: the low-temperature air-dried black corncob is placed in a tissue crushing extractor, and the solid-liquid ratio is 1:5 by adding 50% ethanol with a pH of 3.0 The solution was crushed and extracted at room temperature for 2 min. Suction filtration, the resulting filter residue was added to a 55% ethanol solution with a solid-to-liquid ratio of 1:4 and pH 3.0, and ultrasonic extraction was used instead of ultrasonic extraction at room temperature for 1 time, extracted for 35 minutes, and suction filtered. The tissue crushing extract and the ultrasonic extract were combined, flash-concentrated at 50°C to 1 / 5 of the original volume to obtain a concentrate. The concentrated solution was enriched and purified by macroporous adsorption resin Diaion HP 2MGL column chromatography for total anthocyanins. Rinse with distilled water until the eluate is colorless and tra...
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