Effective component of airpotato yam as well as preparation method and use thereof
An effective component, the technology of xanthate, is applied in the field of traditional Chinese medicine extracts for the treatment of tumor diseases, and can solve problems such as side effects and involvement of normal cells
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Embodiment 1
[0093] The preparation of embodiment 1 xanthophyll effective component
[0094] The xanthophyll seeds are pulverized, passed through a 20-mesh sieve, added 8 times the amount of ethyl acetate: ethanol = 1: 1, heated and refluxed for 1 hour, extracted 2 times, added 8 times the amount of 70% ethanol to the dregs, heated and refluxed for 1 hour, extracted 2 times Once, the filtrate was combined to obtain the extract, after the extract was concentrated, the sample was dissolved with 5% methanol, and the ODS-C18 column was crossed. At first, 1250ml of 5% methanol was used as the mobile phase, and then 1250ml of 60% methanol was replaced as the mobile phase to obtain Eluent, continue to separate eluent by preparative liquid chromatography, separation conditions: chromatographic column is Agilent preparative column (ZorbaxSB-C18; 21.2mm×250mm), mobile phase is water A and acetonitrile B, gradient elution procedure is as follows
[0095]
[0096] The flow rate is 10ml / min, and the...
Embodiment 2
[0097] The analysis of the effective component of embodiment 2 xanthate
[0098] Chromatographic conditionsChromatographic column Agilent Zorbax SB-C18 column (4.6mm × 150mm, 5 μm); using gradient elution, mobile phase A is 0.2% glacial acetic acid aqueous solution, mobile phase B is acetonitrile solution containing 0.2% glacial acetic acid; gradient elution The procedure is as follows: at 0 minutes, mobile phase A is 90% 0.2% glacial acetic acid aqueous solution, mobile phase B is 10% 0.2% glacial acetic acid in acetonitrile solution; at 10 minutes, mobile phase A is 50% 0.2% glacial acetic acid Aqueous solution, mobile phase B is 50% 0.2% glacial acetic acid acetonitrile solution; 30 minutes, mobile phase A is 5% 0.2% glacial acetic acid aqueous solution, mobile phase B is 95% 0.2% glacial acetic acid acetonitrile solution; 35 In minutes, the mobile phase A was 5% 0.2% glacial acetic acid in water, and the mobile phase B was 95% 0.2% glacial acetic acid in acetonitrile. S...
Embodiment 3
[0101] Embodiment 3 xanthophyll active ingredient preparation
[0102] Take the effective component of xanthophylla in Example 1, mix 0.5g with 10.5g polyethylene glycol-6000 evenly, heat and melt, move the material to drip irrigation, drop the drug solution into liquid paraffin at 6-8°C, remove Oil, made 400 drop pills.
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