High-mineral oyster extract

Details High-mineral oyster extract High-mineral oyster extract

2005-11-08

2005-11-08

Corbin, Arthur L. (Department: 1761)

Food or edible material: processes, compositions, and products

Product with added plural inorganic mineral or element...

C426S643000, C426S655000

Reexamination Certificate

active

06962723

ABSTRACT:
The present invention provides a process for extracting minerals from mineral-rich oysters and furthermore provides an oyster extract containing the minerals, and taurine, glycogen, and nucleotides. First, raw oysters are subjected to hot water extraction to obtain soluble ingredients and to remove unwanted components, and then the residue is extracted with an acid solution of pH 2 to 4. The extract is neutralized with an alkali to obtain a precipitate having a high content of minerals such as zinc. The oyster extract obtained by this process contains zinc in the amount of 6% to 13% by dry weight.

REFERENCES:
patent: 5958477 (1999-09-01), Muromachi et al.

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