A kind of method for extracting tea saponin from camellia oleifera cake
A technology of camellia oleifera cake and tea saponin, which is applied in the field of tea saponin extraction, can solve the problems of low tea saponin purity, high production cost, and low production efficiency, and achieve the effects of high purity, low cost, and high production efficiency
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example 1
[0016] First, grind the oil-tea camellia cake after the oil has been extracted into granules, put it in a container, and crush it into a 60-mesh powder by airflow, and pass in water vapor to keep the internal gas moist at 20%; take out the above-mentioned wet tea-oil tea cake powder , placed in a fluidized bed, and a 3:1 mixture of water and ethanol in terms of mass percentage is introduced from the inlet at the bottom of the fluidized bed to make the wet tea-oil cake powder tumbling, viscous, not overflowing, static After standing for 4 hours, collect the mixture at the upper outlet of the fluidized bed; add hydrochloric acid with a mass fraction of 40% to the mixture obtained above, adjust its pH to 4.0, stir and mix evenly, let stand for 15min, and filter to obtain the filtrate; The filtrate was frozen at -30°C, and the control time was 30 minutes. The frozen product was obtained, and then crushed into particles with a particle size of 30mm by airflow for use; On the filter...
example 2
[0018] First, grind the oil-tea camellia cake after the oil has been extracted into granules, put it in a container, and crush it into a 50-mesh powder by air flow, and feed water vapor to keep the internal gas moist at 15%; take out the above-mentioned moist tea-oil tea cake powder , placed in a fluidized bed, and a 3:1 mixture of water and ethanol in terms of mass percentage is introduced from the inlet at the bottom of the fluidized bed to make the wet tea-oil cake powder tumbling, viscous, not overflowing, static After standing for 2 hours, collect the mixture at the upper outlet of the fluidized bed; add hydrochloric acid with a mass fraction of 40% to the mixture obtained above, adjust its pH to 3.0, stir and mix evenly, let stand for 10min, and filter to obtain the filtrate; The filtrate was frozen at -40°C, and the control time was 20 minutes. The frozen product was obtained, and then crushed into particles with a particle size of 20mm by airflow for use; On the filter...
example 3
[0020] First, grind the oil-tea camellia cake after the oil has been extracted into granules, place it in a container, and crush it into a 55-mesh powder by airflow, and feed water vapor to keep the internal gas moist at 17%; take out the above-mentioned moist tea-oil tea cake powder , placed in a fluidized bed, and a 3:1 mixture of water and ethanol in terms of mass percentage is introduced from the inlet at the bottom of the fluidized bed to make the wet tea-oil cake powder tumbling, viscous, not overflowing, static After standing for 3 hours, collect the mixture at the upper outlet of the fluidized bed; add hydrochloric acid with a mass fraction of 40% to the mixture obtained above, adjust its pH to 3.0, stir and mix evenly, let stand for 12min, and filter to obtain the filtrate; The filtrate was frozen at -40°C, and the control time was 25 minutes to obtain the frozen product, which was then crushed into particles with a particle size of 25mm by air flow for use; On the fi...
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