Dencichine extraction method and application thereof and extraction method of pseudo-ginseng amino acid
An extraction method and technology of Panax notoginseng, applied in the field of medicine, can solve problems such as irritation of the respiratory system and skin, drowsiness, dizziness, nausea, etc., and achieve the effects of low cost, good hemostatic effect and energy saving.
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Embodiment 1
[0109] A method for extracting notoginseng, comprising the following steps:
[0110] 1. Extraction of Panax notoginseng
[0111] Take 1 kg of industrial notoginseng waste residue, add 6-10 times the volume of distilled water to extract in a constant temperature water bath at 50-80°C for 8 hours, collect the filtrate (coarse filtration with gauze, then separate with a centrifuge, 4500r / min, centrifuge for 10min, pour supernatant), add 3-5 times the volume of distilled water to the filter residue and extract in a constant temperature water bath at 50-80°C for 8 hours, collect the filtrate, and combine the two filtrates. Centrifuge at 4500r / min for 5min, pour off the supernatant, put the supernatant in a rotary evaporator, rotate at 40r / min, concentrate at 50-80°C to 1 / 5 of the original volume, add 3 times the amount of absolute ethanol, Stand at 4°C for 24 hours, then suction filter (use chemical analysis filter paper, vacuum degree: 0.06-0.08MPa); place the filtrate in a rotar...
Embodiment 21
[0122] A method for extracting notoginseng. The difference from Example 1 is that the first and second water extractions are carried out at 60°C.
Embodiment 22
[0124] A method for extracting notoginseng. The difference from Example 1 is that the first and second water extractions are carried out at 70°C.
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