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US 10,881,983 B2Granted
Method for extraction of ethyl maltol from passion flower
AssigneeThe Winning Combination
InventorShazad Bukhari
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Abstract
A method for the extraction of natural ethyl maltol from passionflower plants is described. The plant material is extracted with a methanol based solvent and the natural ethyl maltol is recovered by column purification using a size exclusion purification column.
Claims6
A method for ethyl maltol extraction and isolation comprising:
- drying passionflower plant parts;
- grinding the dried passionflower plant parts into a powder;
- extracting the powder with a methanol solvent selected from the group consisting of:
- dried methanol;
- 90:10 methanol:water;
- and methanol, thereby providing an extract;
- eluting ethyl maltol from the extract by size exclusion chromatographic column purification;
- and
- recovering the eluted ethyl maltol, thereby providing isolated ethyl maltol.
6 more elements
Dependencies are inferred from the claim text.