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특허 상세정보

Enzymatic treatment of black tea leaf

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A23F-003/00    A23B-007/10    A23K-001/00   
미국특허분류(USC) 426/49 ; 426/52 ; 426/597
출원번호 US-0522878 (1983-08-12)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 19  인용 특허 : 5
초록

A process for the enzymatic treatment of black tea leaf is disclosed. In particular, black tea leaf is wetted with water containing tannase and one or more cell-wall-digesting enzymes, such as cellulase, pectinase, papain, or hemicellulase, prior to extraction. The enzyme-moistened tea leaf is incubated in a closed system at room temperature for a few hours. The enzyme-treated tea is then neutralized with a suitable food grade base and the enzymes are inactivated by heating. The resulting treated tea can be extracted and processed in the usual manner or ...

대표
청구항

A process for increasing the yield and tea solid solubility of black tea by enzymatic treatment, comprising the steps of: (1) wetting fermented black tea leaf prior to extraction with an enzyme solution comprising water, tannase and at least one cell-wall-digesting enzyme which breaks down one or more tea cell wall constituents to simpler materials wherein the tea leaf is combined with the enzyme solution at a tea:enzyme solution weight ratio of from about 4:1 to about 1:2.5; (2) incubating the enzyme-wetted tea to cause partial digestion and fermentati...

이 특허를 인용한 특허 피인용횟수: 19

  1. Carpenter Richard S. (Cincinnati OH) Lad Pushkaraj J. (San Mateo CA) Wolff Ann M. (Cincinnati OH). Antimicrobial composition containing Type II endoglycosidase and antimicrobial agent. USP1994105356803.
  2. Carpenter Richard S. (Cincinnati OH) Wolff Ann M. (Cincinnati OH). Antimicrobial methods and compositions employing certain lysozymes and endoglycosidases. USP1991085041236.
  3. Koganov, Michael. Bioactive compositions from Theacea plants and processes for their production and use. USP20180610004777.
  4. Balentine, Douglas Ashley; Gobbo, Steven Alphonse; Hang, Robert Steven; Qi, Xiaoqun; Parry, Andrew David; Goodsall, Christopher William. Cold brew tea. USP2004086780454.
  5. Douglas Ashley Balentine ; Steven Alphonse Gobbo ; Robert Steven Hang ; Xiaoqun Qi ; Andrew David Parry GB; Christopher William Goodsall GB. Cold brew tea. USP2002126491961.
  6. Goodsall, Christopher William; Jones, Timothy Graham; Mitei, Joseph Kipsiele; Parry, Andrew David; Safford, Richard; Thiru, Ambalavanar. Cold water infusing leaf tea. USP2004126833144.
  7. Poulose Ayrookaran J. (San Bruno CA) Boston Matthew (San Carlos CA). Enzyme assisted degradation of surface membranes of harvested fruits and vegetables. USP1991085037662.
  8. Lehmberg Gregg Lance ; Balentine Douglas Ashley ; Hang Robert Steven ; Gobbo Steven Alphonse. Enzyme extraction process for tea. USP1999095952023.
  9. Lehmberg Gregg Lance ; Balentine Douglas Ashley ; Hang Robert Steven ; Gobbo Steven Alphonse. Enzyme extraction process for tea. USP1999075919500.
  10. Rohde ; Jr. Rodger R. ; Rohde Chris ; Schuler Edward F. ; Handel Richard A.. Enzyme-activated botanical food supplement composition. USP2000106132727.
  11. Lehmberg Gregg Lance ; Balentine Douglas Ashley ; Hang Robert Steven ; Gobbo Steven Alphonse. Extraction process of tea with enzymes. USP1999075925389.
  12. Cooper, Michael Alan; Smith, Ian. Fabricated leaf tea products. USP2014048709522.
  13. Fodge, Douglas W.; Anderson, David M.. Hemicellulase supplement to improve the energy efficiency of hemicellulose-containing animal feed. USP200303RE38047.
  14. Levinson Melvin L.. Method for making a coffee/tea/beverage using a table-blender and a microwave-oven. USP1998095800852.
  15. Pulikkottil, Jose David; Palacharla, Ramakrishna; Ashok, Bhardwaj; Sankararaman, Ravi. Method of processing green tea leaves to produce black tea that can be brewed in cold water. USP2004076761918.
  16. Rha, Chan S.; Oh, Yu J.; Chung, Jin O.; Yoo, Se J.; Lee, Sang J.. Preparation method of tea water, and tea water obtained thereby. USP20181010111922.
  17. Cooper, Michael Alan; Smith, Ian. Process for fabricating leaf tea products. USP2015038986770.
  18. Mai Jimbin (New Milford CT) Chambers Laura J. (New Preston CT) McDonald Richard E. (Brookfield Center CT). Process for inhibiting lipid oxidation in food and composition thereby. USP1990054925681.
  19. Carns Lawrence G. ; Cilliers Johannes. Tea bag for iced tea. USP2001056235323.