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특허 상세정보

Process for making a stable green tea extract and product

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A23F-003/18   
미국특허분류(USC) 426/3303 ; 426/597 ; 426/546
출원번호 US-0287013 (1994-08-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 25  인용 특허 : 0
초록

A process for the production of green tea extracts is disclosed comprising the steps of (a) extracting tea materials with an acidified aqueous solution comprising erythorbic acid or ascorbic acid and citric acid and mixtures thereof at specified ratios, (b) separating extract from residual tea material (c) mixing the extract containing solution with gelatin, and (d) separating the precipitates formed under a nitrogen blanket. The resultant tea extracts are stable against precipitation, have reduced bitter and astringent flavors, low levels of polymerized...

대표
청구항

A process for producing a tea product comprising the steps of: (a) contacting green tea materials with an aqueous acid solution comprising erythorbic acid or ascorbic acid and citric acid and mixtures thereof, at a ratio of tea materials to acid solution, of from about 1:7 to about 1:20, at a temperature of from about 40°C. to about 50°C. for a period of time sufficient to produce an aqueous extract containing from about 0.75% to about 2.5% by weight, soluble solids; the ratio of erythorbic or ascorbic acid to tea material being from about 1:6 to about 1...

이 특허를 인용한 특허 피인용횟수: 25

  1. Lehmberg Gregg Lance ; Ma Sheng Xue. Aqueous tea extract concentrate stable at ambient temperature. USP2001086274187.
  2. Ohishi,Susumu; Naitoh,Kouichi; Iwasaki,Masaki; Ogura,Yoshikazu. Beverage having a concentrated or purified tea extract. USP2006047029718.
  3. Gutwein, Roger William; Connor, Christopher Wade. Coffee extract and process for providing customized varieties and strengths of fresh-brewed coffee on demand. USP2004106808731.
  4. Kirksey Sanford Theodore ; Ekanayake Athula ; Pultinas ; Jr. Edmund Paul ; Jones Judith Ann ; Stradling ; Jr. Richard Fiske. Color and shelf stable beverage compositions containing tea extract. USP1998075780086.
  5. Ayumu Nozawa JP; Yuko Sagesaka JP; Akio Sugimoto JP; Takami Kakuda JP. Composition for reducing mental fatigue, composition for maintaining and enhancing concentration, and composition for maintaining and enhancing mental vigor. USP2002106462051.
  6. Kester,Jeffrey John; Luhadiya,Ashok Premchand; Zehentbauer,Gerhard Norbert. Compositions containing green tea catechins and one or more polyvalent mineral cations. USP2008097419693.
  7. Roy, Glenn; Gosselin, Barry. Coumalic acid to inhibit non-enzymatic browning in teas. USP2012058178147.
  8. 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.
  9. Ekanayake Athula ; Bunger John Robert ; Mohlenkamp ; Jr. Marvin Joseph. Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color. USP2000056063428.
  10. Ekanayake Athula ; Bunger John Robert ; Mohlenkamp ; Jr. Marvin Joseph. Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color. USP1999035879733.
  11. Quan, Danyi; Xiong, Wade W.. Green tea formulations. USP2010107815960.
  12. Quan,Danyi; Xiong,Wade W.. Green tea formulations and methods of preparation. USP2007067232585.
  13. Latka, Gerhard; Warner, John. Mate beverage. USP2013078481101.
  14. Baer, Robert J.; Bonnemann, Howard H.. Method for removing an oxidized off-flavor from milk. USP2013078475864.
  15. Baer, Robert J.; Bonnemann, Howard H.. Method for reversing an oxidized off-flavor from milk. USP2014078771779.
  16. Gutwein, Roger William; Connor, Christopher Wade. Methods and systems for utilizing delayed dilution, mixing and filtration for providing customized beverages on demand. USP2004076759072.
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  18. 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.
  19. Gutwein, Roger William; Connor, Christopher Wade. Methods utilizing delayed dilution, mixing, and filtration for providing customized beverages on demand. USP2011088003145.
  20. Gutwein,Roger William; Connor,Christopher Wade. Methods utilizing delayed dilution, mixing, and filtration for providing customized beverages on demand. USP2008107438941.
  21. Cox Donald Joseph ; Kearney Donald Raymond ; Kirksey ; Jr. Sanford Theodore ; Taylor Matthew Joel. Oil-in-water dispersions of .beta.-carotene and other carotenoids stable against oxidation prepared from water-dispersible beadlets having high concentrations of carotenoid. USP1999126007856.
  22. Inaoka, Setsujiro; Iwasaki, Masaki; Ohishi, Susumu; Ogura, Yoshikazu. Packaged beverages. USP2011067968139.
  23. Ogura,Yoshikazu; Otsuka,Kazuhiro; Ohishi,Susumu; Yasumasu,Takeshi; Yamada,Yasushi. Packaged, tea-based beverages. USP2006067056547.
  24. Sarama, Robert Joseph; Niehoff, Raymond Louis. Palatable arginine compounds and uses thereof for cardiovascular health. USP2004096794375.
  25. Gutwein, Roger William; Connor, Christopher Wade. Process for providing customized varieties and strengths of fresh-brewed coffee on demand. USP2004046726947.