R type of resveratrol dimer, preparation process therefor and purpose thereof in lowering blood sugar level
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United States of America Patent
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Nov 21, 2017
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app pub date -
Jun 5, 2014
filing date -
Jun 14, 2013
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Abstract
The present invention relates to the field of natural pharmaceutical chemistry, and in particular, to a resveratrol dimer (7R,8R)-trans-δ-viniferin (I), a preparation process therefor and a purpose thereof in lowering a blood sugar level. According to the present invention, an R type of resveratrol dimer is separated from the resveratrol dimer by using high-speed countercurrent chromatography. Pharmacodynamic tests proved that the R type of resveratrol dimer has a better effect in lowering a blood sugar level than a racemate.
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