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특허 상세정보

Process for a non-clouding, concentrated tea extract

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A23F-003/16   
미국특허분류(USC) 426/3303 ; 426/597
출원번호 US-0060123 (1987-06-09)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 19  인용 특허 : 4
초록

A non-clouding, shelf-stable tea concentrate is prepared by lowering the pH of a freshly-prepared concentrate (8 to 24% soluble solids) to between 2.9 and 3.5, chilling the concentrate to between 30°and 45°F., clarifying the concentrate to remove precipitate, and then elevating the pH of the clarified concentrate to between about 3.9 and 4.3. Preferably the freshly prepared concentrate is prepared by using water which is at least 99% deionized.

대표
청구항

A method for producing a shelf-stable, non-clouding tea concentrate having a pH of from 3.9 to 4.3 consisting of the following steps: (a) producing a deionized, aqueous tea concentrate having a tea solids level of from 8 to 24% by weight and a pH of from about 4.7 to 5.5, said concentrate being either a fresh brewed concentrate which is obtained by infusing tea leaf material with hot, deionized water or a reconstituted concentrate which is obtained by dissolving spray-dried tea solids in deionized water; (b) adding food-acceptable acids to the aqueous te...

이 특허를 인용한 특허 피인용횟수: 19

  1. John Robert Bunger ; Athula Ekanayake. Antimicrobial composition for food and beverage products. USP2002046376005.
  2. Gutwein, Roger William; Connor, Christopher Wade. Coffee extract and process for providing customized varieties and strengths of fresh-brewed coffee on demand. USP2004106808731.
  3. Lehmberg Gregg Lance ; Ma Sheng Xue. Enzymatically extracted tea concentrate with xanthan gum which is stable at ambient temperature. USP2000036036982.
  4. Zhang,Shi Qiu. Functional water. USP2006117141264.
  5. Ekanayake Athula ; Bunger John Robert ; Mohlenkamp ; Jr. Marvin Joseph. Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color. USP2001076268009.
  6. Rudick, Arthur G.. Method and apparatus for providing a selectable beverage. USP2013058434642.
  7. Rudick, Arthur G.. Method and apparatuses for providing a selectable beverage. USP20180810046959.
  8. Rudick, Arthur G.. Method and apparatuses for providing a selectable beverage. USP2012048162176.
  9. Rudick, Arthur G.. Method and apparatuses for providing a selectable beverage. USP2014088814000.
  10. Cirigliano Michael Charles ; McKenna Raymond Thomas ; Rothenberg Paul John. Method of preserving tea containing beverages. USP1999045895681.
  11. Gutwein, Roger William; Connor, Christopher Wade. Methods and systems for utilizing delayed dilution, mixing and filtration for providing customized beverages on demand. USP2004076759072.
  12. Gutwein, Roger William; Connor, Christopher Wade. Methods for utilizing delayed dilution, mixing and filtering to provide customized varieties of fresh-brewed coffee on demand. USP2011118062684.
  13. Gutwein,Roger William; Connor,Christopher Wade. Methods for utilizing delayed dilution, mixing and filtering to provide customized varieties of fresh-brewed coffee on demand. USP2008117455867.
  14. Gutwein, Roger William; Connor, Christopher Wade. Methods utilizing delayed dilution, mixing, and filtration for providing customized beverages on demand. USP2011088003145.
  15. Gutwein,Roger William; Connor,Christopher Wade. Methods utilizing delayed dilution, mixing, and filtration for providing customized beverages on demand. USP2008107438941.
  16. Carl E. Banyard ; Richard S. Hornack ; Michael W. Evon. Process for producing low acid food products. USP2002066406730.
  17. Gutwein, Roger William; Connor, Christopher Wade. Process for providing customized varieties and strengths of fresh-brewed coffee on demand. USP2004046726947.
  18. Cirigliano Michael Charles ; McKenna Raymond Thomas ; Rothenberg Paul John. Tea beverage preservation and method of making. USP1998065773062.
  19. Lehmberg Gregg Lance ; Ma Sheng Xue. Tea concentrate prepared by enzymatic extraction and containing xanthan gum which is stable at ambient temperature. USP2000026024991.