OBJECTIVE
To investigate the chemical constituents from the tubers of Ipomoea batata.
METHODS
The chemical constituents were isolated and purified by solvent extraction together with various chromatographic techniques. The structures were elucidated on the basis of physiochemical property and
OBJECTIVE
To investigate the chemical constituents of Ipomoea batatas.
METHODS
Silica gel column chromatography and Sephadex LH-20 were used to separate and purify the compounds from the EtOAc and n-BuOH soluble fraction of ethanol extracts. The chemical structures were elucidated on the basis of
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