Patent
Tea extraction process
Creswick Norman Stuart
- 05 Jan 1982
29
TL;DR: In this article, the acidified spent tea leaf is further extracted with aqueous solvent at temperatures of about 140°-170° C. for at least 4 minutes at pressures of about 80-100 psig to provide a high temperature/high pressure acid extract.
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Abstract: Dry tea leaf is extracted with aqueous solvent, preferably by countercurrent procedures at atmospheric pressure, the spent tea leaf is separated from the extract, the spent tea leaf is acidified to a pH within the range of 2.0 to 3.0, the acidified spent tea leaf is further extracted with aqueous solvent at temperatures of about 140°-170° C. for at least 4 minutes at pressures of about 80-100 psig to provide a high temperature/high pressure acid extract, and said high temperature/high pressure acid extract is used as aqueous solvent in the earlier extraction procedures to provide a high extraction yield of good quality extract.
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Citations
Patent
Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color
Athula Ekanayake,John Robert Bunger,Marvin Joseph Mohlenkamp +2 more
- 21 Feb 1997
TL;DR: In this article, the green tea extract is treated with an amount of a food grade cation exchange resin effective to remove metal cations present in the extract and then contacted with a nanofiltration membrane while the treated extract is at a temperature of from about 100° to about 140 °F (from about 37.8° to approximately 60 °C).
154
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Green tea formulations and methods of preparation
Danyi Quan,Wade W. Xiong +1 more
- 24 Jun 2005
TL;DR: Green tea formulations and methods for the preparation thereof are disclosed and described in this article, where the method of preparation includes the mixing of fresh tea leaves in an amount of cold water, followed by pulverization of the leaves to release their intracellular material from the cells of the green tea leaves into the water and form an aqueous extract component.
74
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TL;DR: In this paper, the authors proposed appealing traditional nutritious snacks and mixes from which consumers can make appealing traditional traditional nutritious snack mixes, which typically have an appeal similar to that of unhealthy snacks of similar form.
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TL;DR: In this paper, the authors present a set of ingredients that provide a balanced mix of amino acids, fat, and carbohydrates for ready-to-eat (RTTE) foods.
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Nutritionally balanced snack food compositions
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TL;DR: In this paper, the authors proposed appealing traditional nutritious snacks and mixes from which consumers can make appealing traditional traditional nutritious snack mixes, which typically have an appeal similar to that of unhealthy snacks of similar form.
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Patent
Liquid-liquid recovery of copper values using alpha-hydroxy oximes
Ronald R Swanson
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Patent
Process for oxidizing and hydrolyzing plant organic matter particles to increase the digestability thereof by ruminants
Jelks James W
- 21 Oct 1974
TL;DR: In this paper, a process for treating plant organic matter particles to increase the digestability thereof by ruminants including mixing the organic particles with water, a nontoxic acid catalyst to produce a Ph lower than 3.0, and a metallic catalyst of either iron or manganese, oxidizing the mixture under elevated pressure and temperature to fragment the cellulose molecules and break the lignin-cellulose bond.
42
Patent
Extracting tea using an aqueous solution of ammonium bicarbonate or ammonia
Peter Dudley Collier,Alistair Penman,Frederick John Trussell +2 more
- 30 Aug 1974
TL;DR: The yield in the aqueous extraction of tea leaf is improved by using an aqueously solution of ammonium bicarbonate or of ammonia as the extractant.
25
Patent
Process for making a spray-dried instant tea of desired bulk density
Martin Gurkin,Gary W. Sanderson,Harold Nathaniel Graham +2 more
- 12 Nov 1969
TL;DR: In this article, a process for making a spray-driven instant tea POWDER without adding foreign fillers to the instant leaves is described. But it does not specify how to make the powder.
7