Patents Assigned to Lipton, Division of Conoco Inc.
  • Method of enhancing color in a tea-based foodstuff
    Patent number: 5879730
    Abstract: A method of inducing the formation of color determining compounds in a tea-based food product, characterized in that the tea leaves are treated with an exogenous laccase, polyphenol oxidase or peroxidase, in combination with a pretreatment with a tannase. Also, a treatment with a fungal laccase form a Pleurotus species can be performed to enhance the color of a tea-based product.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 9, 1999
    Assignee: Lipton, Division of Conoco Inc.
    Inventors: Elisabeth Cornelia Bouwens, Ketan Trivedi, Cornelis van Vliet, Cornelis Winkel