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US 11,028,353 B2Granted
Method for removing unwanted component included in beverage
AssigneesThe Nikka Whisky Distilling Co., Ltd., Idemitsu Kosan Co., Ltd.
InventorsKenji Hosoi, Toshikazu Sugimoto, Akira Asahi, Yoshimi Kawashima, Mitsuko Murata, Shun Fukasawa
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Abstract
A method and device for efficiently removing an unwanted component included in a beverage, which includes bringing the beverage into contact with a metal-supported zeolite.
Claims11
A method for removing an unwanted component included in a beverage, comprising:
- (1) bringing the beverage into contact with a metal-supported zeolite;
- and
- (2) bringing the beverage, which has been brought into contact with the metal-supported zeolite, into contact with a metal-trapping material, wherein
- [i] the unwanted component is at least one selected from the group consisting of dimethyl disulfide (DMDS) and dimethyl trisulfide (DMTS);
- the unwanted component is removed in both steps (1) and (2);
- the beverage is alcoholic beverages;
- [ii] a metal which constitutes the metal-supported zeolite is silver;
- the amount of silver is 5 to 25 mass % based on a total amount of the metal-supported zeolite;
- [iii] the metal-trapping material is a zeolite having Na+ as an ion-exchangeable cation;
- flavor and aroma components are substantially left in the beverage;
- and
- [iv] the flavor and aroma components include acetaldehyde;
- and
- contact with the metal-supported zeolite and the metal-trapping material does not reduce the concentration of acetaldehyde.
11 more elements
Dependencies are inferred from the claim text.