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Enzyme extraction process for tea

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A23F-003/00   
미국특허분류(USC) 426/050 ; 426/049 ; 426/052 ; 426/590 ; 426/597
출원번호 US-0883815 (1997-06-27)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Farrell
인용정보 피인용 횟수 : 6  인용 특허 : 6
초록
▼

An improved process for the preparation of acid stable instant tea. Enzymatic extraction of black tea leaf using an enzyme cocktail adjusted to a critical pH is employed. Black tea is extracted with water containing tannase and one or more cell wall digesting enzymes, such as cellulase, pectinase, hemicellulase or VISCOZYME at a selected pH. The resulting tea extract can then be pasteurized, polished and made into a finished beverage or concentrated and dried in the usual manner. As a result, natural tea products are obtained which have improved acid sta...

대표
청구항
▼

[ What is claimed is:] [1.] A process for producing a soluble black tea product by enzymatic extraction, said product upon being reconstituted into an acidic beverage, remaining stable, comprising the steps of:(1) co-extracting fermented black tea leaf with water and an enzyme cocktail having a pH of about 4 to about 10 comprising tannase and one or more cell wall-digesting enzyme which break down one or more tea cell wall constituents to simpler materials;(2) inactivating the enzymes by heating; and(3) clarifying the extract;whereby said acidic beverage...

이 특허에 인용된 특허 (6)

  1. Sanderson Gary Warner (Englewood NJ) Hoefler Andrew Charles (Cresskill NJ) Graham Harold Nathaniel (Englewood NJ) Coggon Philip (Orangeburg NY). Cold water extractable tea leaf and process. USP1977094051264.
  2. Agbo Francis (Warwick NY) Spradlin Joseph E. (Monroe NY). Enzymatic clarification of tea extracts. USP1995085445836.
  3. Petersen Bent R. (Copenhagen DKX). Enzymatic method for production of instant tea. USP1984114483876.
  4. Takino Yoshinori (Tokyo JA). Enzymatic solubilization of tea cream. USP1976053959497.
  5. Tsai Chee-Hway (Cincinnati OH). Enzymatic treatment of black tea leaf. USP1987014639375.
  6. Adler-Nissen Jens L. (Gentofte DKX) Grtler Henrik (Lyngby DKX) Jensen Georg W. (Bagsvaerd DKX) Olsen Hans A. S. (Vanlose DKX) Riisgaard Steen (Vaerlose DKX) Schlein Martin (Copenhagen DKX). SPS, SPS-ase and method for producing SPS-ase. USP1984104478939.

이 특허를 인용한 특허 피인용횟수: 6

  1. Koganov, Michael. Bioactive compositions from Theacea plants and processes for their production and use. USP20180610004777.
  2. Gen,Shokyu. Formative agent of protein complex. USP2006047026284.
  3. Quan, Danyi; Xiong, Wade W.. Green tea formulations. USP2010107815960.
  4. Quan,Danyi; Xiong,Wade W.. Green tea formulations and methods of preparation. USP2007067232585.
  5. Gerrish, Timothy C.; Chambliss, Kenneth LeRoy; Forman, Susan C.. Low methoxyl pectins, processes thereof, and stabilized aqueous systems comprising the same. USP2004036699977.
  6. Iwasaki,Masaki; Naitoh,Kouichi; Ohishi,Susumu; Ogura,Yoshikazu. Packaged beverage. USP2006037014876.

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