CANNABIS IMPURITY REMOVING METHOD
The present application relates to the field of cannabis impurity removal, and specifically discloses a cannabis impurity removing method. The cannabis impurity removing method comprises the following steps: S1: pretreatment: drying and crushing cannabis flowers and leaves to obtain raw material pow...
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| Format: | Patent |
| Sprache: | chi ; eng ; fre |
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| Zusammenfassung: | The present application relates to the field of cannabis impurity removal, and specifically discloses a cannabis impurity removing method. The cannabis impurity removing method comprises the following steps: S1: pretreatment: drying and crushing cannabis flowers and leaves to obtain raw material powder, and extracting the raw material powder by using an ethanol solution to obtain a cannabis extraction solution; S2: after concentrating the cannabis extraction solution, performing winterization treatment, obtaining a filtrate after filtering, and concentrating the filtrate into an extract; S3: performing decarboxylation treatment on the extract; S4: adding an organic solvent into the decarboxylated extract for extraction, and obtaining an extract liquor after filtering; and S5: obtaining a cannabis extract after concentrating the extract liquor and removing the organic solvent, the organic solvent being at least one of alkane or halohydrocarbon. The preparation method of the present application can be used for |
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