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US 10,258,660 B2Granted
Olive leaf extract and method of producing the same
AssigneeShodoshima Healthyland Co., Ltd.
InventorsToshihiro Yagyu, Norihito Kishimoto
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Abstract
The present invention provides a method of producing an olive leaf extract that contains a high concentration of oleuropein. A method of producing an olive leaf extract comprises a first step of grinding dried olive leaves and a second step of mixing grapes with the ground olive leaves and then extracting an olive leaf extract using an extraction solvent. In the second step, the extraction solvent is water, alcohol, or a combination thereof, and extraction is performed at 70° C. or higher.
Claims7
A method of producing an olive leaf extract, the method comprising:
- a first step of grinding dried olive leaves;
- and
- a second step of mixing grapes with the ground olive leaves and then extracting an olive leaf extract using an extraction solvent, wherein
- in the second step, the extraction solvent is water, alcohol, or a combination thereof, and extraction is performed at 70° C. or higher.
1 more element
Dependencies are inferred from the claim text.