Resin adsorption technology for extracting oligopyrrolidine carboxylic acid from ficus carica
A polypyrrolidine carboxylic acid and resin adsorption technology, which is applied in the direction of medical preparations containing active ingredients, plant raw materials, sensory diseases, etc., can solve problems such as no clear treatment purpose, and achieve convenient quality control, shortened production cycle, and environmental protection. non-polluting effect
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Embodiment 1
[0024] Embodiment 1: A kind of resin adsorption technology that extracts oligopyrrolidine carboxylic acid from fig
[0025] The raw material is fig waste residue, which is extracted twice with 50% alcohol under reflux, and the dosage of each time is 7 to 5 times the weight of the original medicinal material, and the extraction time is 2 to 1 hour. The extracts are combined, filtered, alcohol is recovered, and concentrated to obtain the extract. Dilute the extract by 120 times with water, put it on a resin column for adsorption, the ratio of raw material weight to resin volume is 1:3, the ratio of resin column diameter to column height is 1:15, wash with pH=6 water, 50% alcohol solution The flow rate is 1 column volume / hour.
[0026] Collect the alcohol eluate, add a decolorizer according to 5% volume of the eluent, heat and reflux for 3 hours, filter, concentrate under reduced pressure, and dry in vacuum to obtain the product. Using this method, the PCA content in the fig was...
Embodiment 2
[0027] Embodiment 2: A kind of resin adsorption technology that extracts oligopyrrolidine carboxylic acid from fig
[0028] The raw material is fig waste residue, which is extracted 3 times with 60% alcohol under reflux, each dosage is 8, 6, and 4 times the weight of raw medicinal materials, and the extraction time is 60, 45, and 30 minutes. The extracts are combined, filtered, and the alcohol is recovered. paste. Dilute the extract by 150 times with water, and put it on a resin column for adsorption. The ratio of raw material weight to resin volume is 1:5, and the ratio of resin column diameter to column height is 1:20. Wash with pH=8 water and 60% alcohol solution. off at a flow rate of 2 column volumes / hour. The eluent was concentrated under reduced pressure and dried in vacuo to obtain the obtained product. Using this method, the PCA content in the fig waste residue can reach more than 50%.
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