Patents by Inventor Rieko Tsuruma

Rieko Tsuruma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of extracting food component, food inspection method and food inspection kit
    Patent number: 8859212
    Abstract: Provided is a technique of extracting a component in a food from the food by using a reducing agent that is inexpensive and has a mild reducing action. A component in a food is extracted by mixing the food with an extractant containing a sulfite. In addition, the resultant food extract is brought into contact with a specific antibody that specifically recognizes a substance included in a specified ingredient of interest for inspection, to thereby inspect the presence or absence and/or the amount of a specified ingredient in a food by utilizing an immunological measurement method. Further provided is a food inspection kit for inspection of the presence or absence and/or the amount of a specified ingredient in a food, including: (1) an extractant and a sulfite to be added to the extractant, or an extractant including a sulfite added; and (2) an antibody that specifically recognizes a substance included in a specified ingredient of interest for inspection.
    Type: Grant
    Filed: November 28, 2008
    Date of Patent: October 14, 2014
    Assignee: Morinaga & Co., Ltd.
    Inventors: Yuriko Oyama, Tsutomu Honjoh, Masatoshi Sakai, Eriko Watanabe, Kaori Itoh, Rieko Tsuruma
  • METHOD OF EXTRACTING FOOD COMPONENT, FOOD INSPECTION METHOD AND FOOD INSPECTION KIT
    Publication number: 20100304499
    Abstract: Provided is a technique of extracting a component in a food from the food by using a reducing agent that is inexpensive and has a mild reducing action. A component in a food is extracted by mixing the food with an extractant containing a sulfite. In addition, the resultant food extract is brought into contact with a specific antibody that specifically recognizes a substance included in a specified ingredient of interest for inspection, to thereby inspect the presence or absence and/or the amount of a specified ingredient in a food by utilizing an immunological measurement method. Further provided is a food inspection kit for inspection of the presence or absence and/or the amount of a specified ingredient in a food, including: (1) an extractant and a sulfite to be added to the extractant, or an extractant including a sulfite added; and (2) an antibody that specifically recognizes a substance included in a specified ingredient of interest for inspection.
    Type: Application
    Filed: November 28, 2008
    Publication date: December 2, 2010
    Inventors: Yuriko Oyama, Tsutomu Honjoh, Masatoshi Sakai, Eriko Watanabe, Kaori Itoh, Rieko Tsuruma