Ailanthus flower extract as well as preparation method and application of active ingredients brevifolin of ailanthus flower extract
A technique of breve hematoxylin and active ingredients, which is applied in the field of biomedicine, can solve the problems that chemical ingredients and biological activities are not reported in literature, etc., and achieve a significant antioxidant effect.
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Embodiment 1
[0021] Embodiment 1. Preparation of Ailanthus sinensis extract
[0022] Get the inflorescence of Ailanthus sinensis, (10Kg, fresh product), chop, carry out heating and reflux extraction with 5 times the amount (w / v) of 95% ethanol, the extraction time is 2 hours / time, a total of three times, the extracts are combined, concentrated under reduced pressure Become thick extract shape, obtain Ailanthi sinensis flower extract (380g).
Embodiment 2
[0023] Embodiment 2. Preparation of total isocoumarin active site in Ailanthus sinensis extract
[0024] Example 1:
[0025] Get the inflorescence of Ailanthus sinensis, (10Kg, fresh product), according to the extraction method of embodiment 1, obtain extract extract (about 380g), extract extract extract (300g) is diluted with 10 times of amount distilled water, dissolves, and does clarification , get the supernatant, absorb through DM-130 macroporous resin (3.0Kg), wash the macroporous resin column with distilled water until the color is lighter, then carry out elution with 20% ethanol, show magnesium hydrochloride powder reaction to eluate Up to the time, collect this part eluent, recover under reduced pressure, concentrate into thick extract, and obtain the total isocoumarin active site (50g) of Ailanthus sinensis extract.
[0026] Example 2:
[0027] Get the inflorescence of Ailanthus altissima, (10Kg, fresh product), chop, extract by percolation with 5% NaOH solution of...
Embodiment 3
[0028] Example 3. Preparation of active ingredient brevifolia hematoxylin in Ailanthus sinensis extract
[0029] Get the total isocoumarin active parts (30g) of Ailanthus sinensis extract, dissolve in an appropriate amount of methanol, mix the sample with 100g thick silica gel, and carry out column chromatography with 200-300 mesh silica gel 500g column packing, CH 2 CL 2 -Elute with MeOH at a ratio of 9:1 to 8:2, detect by thin-layer chromatography, collect the eluate containing brevifolia, recover the solvent to dryness, and then dissolve it in methanol for recrystallization to obtain brevichematoxylin crystallization of phenol.
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