Method for extracting hesperidin from fructus aurantii immaturus according to continuous countercurrent method and extracted hesperidin
A countercurrent extraction and hesperidin technology, applied in the field of hesperidin, can solve the problems of poor product quality, complicated operation, low extraction rate, etc., and achieve the effects of large concentration difference, high extraction efficiency, and reduced extraction time.
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Embodiment 1
[0074] The present embodiment provides a kind of method extracting hesperidin from Fructus Aurantii Fructus Aurantii, comprising the following steps:
[0075] (a) get 300kg Citrus aurantium raw material, pulverize, cross 20 mesh sieves;
[0076] (b) methanol sodium hydroxide solution is configured in the liquid distribution tank, wherein the concentration of methanol is 50%, and the mass fraction of sodium hydroxide in the solution is 3%;
[0077] (c) the Fructus Fructus Aurantii raw material and methanol sodium hydroxide solution are infiltrated in a continuous infiltrator with an ultrasonic generator in a ratio of 1:0.5 to liquid;
[0078] (d) Feed the infiltrated Fructus Fructus Citrus Fructus from the feed port of the continuous countercurrent machine. The continuous countercurrent extractor is a single-stage extractor with a length of 10 meters. Solvent, by adjusting the speed control of the screw propeller, the raw material stays in the extractor for 3 hours for the ext...
Embodiment 2
[0083] The present embodiment provides a kind of method extracting hesperidin from Fructus Aurantii Fructus Aurantii, comprising the following steps:
[0084] (a) get 300kg Fructus Aurantium raw material, pulverize, cross 10 mesh sieves;
[0085] (b) Alcohol potassium hydroxide solution is configured in the liquid distribution tank, wherein the ethanol concentration is 90%, and the mass fraction of potassium hydroxide in the solution is 1%;
[0086] (c) Fructus Fructus Aurantii raw material and ethanol potassium hydroxide solution are infiltrated in a continuous infiltrator with an ultrasonic generator at a ratio of 1:1 to liquid;
[0087] (d) Feed the infiltrated Citrus aurantium from the feed port of the continuous countercurrent extractor, the continuous countercurrent extractor is a single-stage extractor with a length of 10 meters, and extract from the end of the continuous countercurrent device according to the ratio of material to liquid at 1:10 Solvent, by adjusting t...
Embodiment 3
[0092] The present embodiment provides a kind of method extracting hesperidin from Fructus Aurantii Fructus Aurantii, comprising the following steps:
[0093] (a) get 300kg Citrus aurantium raw material, pulverize, cross 15 mesh sieves;
[0094] (b) methanol sodium hydroxide solution is configured in the liquid distribution tank, wherein the concentration of methanol is 70%, and the mass fraction of sodium hydroxide in the solution is 2%;
[0095] (c) the Fructus Fructus Aurantii raw material and the methanolic sodium hydroxide solution are infiltrated in a continuous infiltrator with an ultrasonic generator in a material-to-liquid ratio of 1:0.8;
[0096] (d) Feed the infiltrated Fructus Fructus Citrus Fructus from the feed port of the continuous countercurrent extraction machine, the continuous countercurrent extraction machine is a single-stage extraction machine with a length of 10 meters, and extract from the tail end of the continuous countercurrent device according to t...
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