Method for extracting lentinus edodes total alkaloid
A technology of total alkaloids and extraction methods, applied in food extraction, food science, medical raw materials derived from fungi, etc., can solve the problems of shortened extraction time, low extraction efficiency, long extraction time, etc., and achieves less extraction residue and extraction. High efficiency and low solvent consumption
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Embodiment 1
[0024] Dried shiitake mushrooms were crushed and sieved to obtain 60-mesh shiitake mushroom powder. Take 4g of shiitake mushroom powder and 6g of diatomaceous earth and mix them in a mass ratio of 4:6. Grind them evenly to obtain a mixed sample; add filter paper to the bottom of the extraction pool in advance, and move the mixed sample to The extraction cell is fully covered, and the extraction cell is placed on the extraction cell fixture after tightening the top cell cap. With 80% ethanol as the extraction solvent, the parameters of the ASE extraction method were set: extraction temperature 140 °C, extraction pressure 1500 psi, extraction 2 times, extraction 15 min, purge volume 90%, and purge time 120 s. Start the accelerated solvent extractor and stop automatically after the extraction is complete. The extract was filtered, evaporated to dryness by a rotary evaporator, dissolved in 20 mL of hydrochloric acid with a mass fraction of 2%, and filtered by a vacuum pump. The fi...
Embodiment 2
[0026] Dried shiitake mushrooms were crushed and sieved to obtain 60-mesh shiitake mushroom powder. Take 4g of shiitake mushroom powder and 6g of diatomaceous earth and mix them in a mass ratio of 4:6. Grind them evenly to obtain a mixed sample; add filter paper to the bottom of the extraction pool in advance, and move the mixed sample to The extraction cell is fully covered, and the extraction cell is placed on the extraction cell fixture after tightening the top cell cap. With 95% ethanol as the extraction solvent, the parameters of the ASE extraction method were set: extraction temperature 100 °C, extraction pressure 1500 psi, extraction 2 times, extraction 10 min, purge volume 90%, and purge time 120 s. Start the accelerated solvent extractor and stop automatically after the extraction is complete. Filtrate the crude extract, evaporate it to dryness with a rotary evaporator, dissolve it with 20mL hydrochloric acid with a mass fraction of 2%, filter it with a vacuum pump, a...
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