GB575118A - Improvements in or relating to methods of and means for preparing concentrated liquid or solid extracts of tea or coffee - Google Patents
Improvements in or relating to methods of and means for preparing concentrated liquid or solid extracts of tea or coffeeInfo
- Publication number
- GB575118A GB575118A GB1228544A GB1228544A GB575118A GB 575118 A GB575118 A GB 575118A GB 1228544 A GB1228544 A GB 1228544A GB 1228544 A GB1228544 A GB 1228544A GB 575118 A GB575118 A GB 575118A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tea
- coffee
- liquor
- extract
- separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
- A23F3/42—Isolation or recuperation of tea flavour or tea oil
- A23F3/426—Isolation or recuperation of tea flavour or tea oil by distillation, e.g. stripping leaves; Recovering volatile gases
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
- A23F5/26—Extraction of water-soluble constituents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
- A23F5/28—Drying or concentrating coffee extract
- A23F5/285—Drying or concentrating coffee extract by evaporation, e.g. drying in thin layers, foam drying
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/46—Coffee flavour; Coffee oil; Flavouring of coffee or coffee extract
- A23F5/48—Isolation or recuperation of coffee flavour or coffee oil
- A23F5/50—Isolation or recuperation of coffee flavour or coffee oil from coffee extract
- A23F5/505—Isolation or recuperation of coffee flavour or coffee oil from coffee extract by distillation, e.g. stripping the extract; Recovering volatile gases, e.g. during concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Tea And Coffee (AREA)
Abstract
575,118. Tea and coffee extracts. REAVELL, J. A. June 28, 1944, No. 12285. [Class 129] A concentrated liquid or solid extract of tea or coffee is obtained by preparing an infusion of tea or coffee in a closed extractor so that the aroma or flavouring ingredients a r e retained, evaporating or concentrating the infusion so that the aromatic or flavouring constituents are distilled off, and returning those distilled constituents to the extract at a later stage. Dry spraying may be used to form a soluble powder. A soluble carbohydrate such as glucose or lactose may be added to the liquid or solid at any stage of the process, to improve keeping qualities and render a powder less hygroscopic. The amount added to coffee is preferably one-tenth of the weight of coffee powder. A batch of tea may be infused by using a hot weak extract of tea, instead of water, followed by further extraction with still weaker extract and finally water. Other known methods of percolation and re-circulation may be used. In the figure liquor from a feed tank a is heated in b, and volatile aromatic constituents are distilled off in the still c, d and condenser e and led to a receiver f. Liquor from d is passed through a pipe g to the lower end of an evaporator or concentrator h which may be of the continuous or climbing film type having two or three evaporating stages. Liquor and vapours derived from the first stage are led into a separator m from which the liquor is led by a conduit n back into the evaporator and then into a second separator o. The process is repeated and the liquor passes through h into a third separator p from which the concentrated liquor enters a receiver q. Preferably a common vacuum pipe v leading to a suitable form of condenser and vacuum system is connected to all of the separators. The use of the " Kestner" climbing film principle is referred to in the Specification. A number of examples of coffee or tea extraction are described in the Specification.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1228544A GB575118A (en) | 1944-06-28 | 1944-06-28 | Improvements in or relating to methods of and means for preparing concentrated liquid or solid extracts of tea or coffee |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1228544A GB575118A (en) | 1944-06-28 | 1944-06-28 | Improvements in or relating to methods of and means for preparing concentrated liquid or solid extracts of tea or coffee |
Publications (1)
Publication Number | Publication Date |
---|---|
GB575118A true GB575118A (en) | 1946-02-04 |
Family
ID=10001742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1228544A Expired GB575118A (en) | 1944-06-28 | 1944-06-28 | Improvements in or relating to methods of and means for preparing concentrated liquid or solid extracts of tea or coffee |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB575118A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2746866A (en) * | 1954-11-12 | 1956-05-22 | American Home Prod | Inhibition of caking of soluble coffee and the inhibited product |
US4045586A (en) * | 1975-05-07 | 1977-08-30 | General Foods Corporation | Soluble coffee of improved stability and flavor |
US4112130A (en) * | 1975-10-14 | 1978-09-05 | The Coca-Cola Company | Spray drying of orange juice |
US8939388B1 (en) | 2010-09-27 | 2015-01-27 | ZoomEssence, Inc. | Methods and apparatus for low heat spray drying |
US9332776B1 (en) | 2010-09-27 | 2016-05-10 | ZoomEssence, Inc. | Methods and apparatus for low heat spray drying |
US9861945B1 (en) | 2017-08-04 | 2018-01-09 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US9993787B1 (en) | 2017-08-04 | 2018-06-12 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10155234B1 (en) | 2017-08-04 | 2018-12-18 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10252181B2 (en) | 2017-08-04 | 2019-04-09 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10486173B2 (en) | 2017-08-04 | 2019-11-26 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10569244B2 (en) | 2018-04-28 | 2020-02-25 | ZoomEssence, Inc. | Low temperature spray drying of carrier-free compositions |
-
1944
- 1944-06-28 GB GB1228544A patent/GB575118A/en not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2746866A (en) * | 1954-11-12 | 1956-05-22 | American Home Prod | Inhibition of caking of soluble coffee and the inhibited product |
US4045586A (en) * | 1975-05-07 | 1977-08-30 | General Foods Corporation | Soluble coffee of improved stability and flavor |
US4112130A (en) * | 1975-10-14 | 1978-09-05 | The Coca-Cola Company | Spray drying of orange juice |
US8939388B1 (en) | 2010-09-27 | 2015-01-27 | ZoomEssence, Inc. | Methods and apparatus for low heat spray drying |
US9332776B1 (en) | 2010-09-27 | 2016-05-10 | ZoomEssence, Inc. | Methods and apparatus for low heat spray drying |
US9993787B1 (en) | 2017-08-04 | 2018-06-12 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US9861945B1 (en) | 2017-08-04 | 2018-01-09 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10155234B1 (en) | 2017-08-04 | 2018-12-18 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10252181B2 (en) | 2017-08-04 | 2019-04-09 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10486173B2 (en) | 2017-08-04 | 2019-11-26 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10625281B2 (en) | 2017-08-04 | 2020-04-21 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10569244B2 (en) | 2018-04-28 | 2020-02-25 | ZoomEssence, Inc. | Low temperature spray drying of carrier-free compositions |
US10850244B2 (en) | 2018-04-28 | 2020-12-01 | ZoomEssence, Inc. | Low temperature spray drying of carrier-free compositions |
US11090622B2 (en) | 2018-04-28 | 2021-08-17 | ZoomEssence, Inc. | Low temperature spray drying of carrier-free compositions |
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