Method for producing hop bract polyphenol
2003
Hop bract as a raw material efficiently, and a method for producing highly purified hop bract polyphenol, and food or drink using the purified high degree of hop bract polyphenol, cosmetics, provides a pharmaceutical. After extracting the hop bract in an aqueous alcohol solution, the extract was concentrated to a residual alcohol concentration 0.5% to 2%, it is a method of making a hop polyphenols by performing centrifugation and / or filtration step. The polyphenols can be used to foods and beverages, cosmetics, pharmaceuticals, etc..
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