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Abstract

Disclosed herein is a method for preparing a ginger extract from ginger rhizome. In certain embodiments, the method includes subjecting the ginger rhizome to a supercritical CO₂ extraction to produce a gingerol fraction and an unextracted fraction; then extracting the unextracted fraction through refluxing ethanol extraction to produce an ethanol extracted fraction and unextracted fiber fraction; then fermenting the unextracted fiber fraction with yeast to produce fermented fibers; and finally combining the gingerol fraction the ethanol extracted fraction, fermented fiber fraction and gum Arabic and homogenizing to form a ginger extract homogenate and spry drying the ginger extract homogenate to produce a ginger extract powder. fermentation with yeast, combining the extracts, and homogenizing with gum arabic, and spray drying to form a ginger extract powder.

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First Claim