Golden eriodictine-7-o-β-d-glucuronate methyl ester and its extraction method and application
A technology of golden elycoprine and methyl aldol, applied in chemical instruments and methods, sugar derivatives, sugar derivatives, etc., can solve the problem of reducing blood sugar levels in alloxan-induced diabetic mice and adrenergic diabetic mice , anti-type 2 diabetes active ingredients and other problems, to achieve the extraction method is simple and easy, good blood sugar lowering effect, the effect of high extraction rate
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Embodiment 1
[0027] A kind of gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester, the structural formula of the gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester is:
[0028]
[0029] A method for extracting gold sage grass xanthin-7-O-β-D-glucuronic acid methyl ester, comprising the following steps:
[0030] 1) Using triangular foam coarse powder as raw material, ethanol as solvent, extracting by percolation method to obtain ethanol extract, and recovering ethanol solvent to obtain the first extract;
[0031] 2) Add water to the first extract to form a suspension, add petroleum ether, ethyl acetate, and n-butanol to the suspension in sequence for extraction, and concentrate the n-butanol extract to form an extract as the second extract ;
[0032] 3) Take the second extract, perform polyamide column chromatography, use water-ethanol as the eluent, perform gradient elution, collect the eluent of 50% ethanol water, and concentrate the 50% ethanol water eluent to obtain Extract, as ...
Embodiment 2
[0040] A kind of gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester, the structural formula of the gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester is:
[0041]
[0042] A method for extracting gold sage grass xanthin-7-O-β-D-glucuronic acid methyl ester, comprising the following steps:
[0043] 1) Using triangular foam coarse powder as raw material, ethanol as solvent, extracting by percolation method to obtain ethanol extract, and recovering ethanol solvent to obtain the first extract;
[0044] 2) Add water to the first extract to form a suspension, add petroleum ether, ethyl acetate, and n-butanol to the suspension in sequence for extraction, and concentrate the n-butanol extract to form an extract as the second extract ;
[0045] 3) Take the second extract, perform polyamide column chromatography, use water-ethanol as the eluent, perform gradient elution, collect the eluent of 50% ethanol water, and concentrate the 50% ethanol water eluent to obtain Extract, as ...
Embodiment 3
[0053] A kind of gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester, the structural formula of the gold sage rhizoflavin-7-O-β-D-glucuronic acid methyl ester is:
[0054]
[0055] A method for extracting gold sage grass xanthin-7-O-β-D-glucuronic acid methyl ester, comprising the following steps:
[0056] 1) Using triangular foam coarse powder as raw material, ethanol as solvent, extracting by percolation method to obtain ethanol extract, and recovering ethanol solvent to obtain the first extract;
[0057] 2) Add water to the first extract to form a suspension, add petroleum ether, ethyl acetate, and n-butanol to the suspension in sequence for extraction, and concentrate the n-butanol extract to form an extract as the second extract ;
[0058] 3) Take the second extract, perform polyamide column chromatography, use water-ethanol as the eluent, perform gradient elution, collect the eluent of 50% ethanol water, and concentrate the 50% ethanol water eluent to obtain Extract, as ...
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