GB2095968A - Method of producing a flavour composition suitable for flavouring tea - Google Patents
Method of producing a flavour composition suitable for flavouring tea Download PDFInfo
- Publication number
- GB2095968A GB2095968A GB8209315A GB8209315A GB2095968A GB 2095968 A GB2095968 A GB 2095968A GB 8209315 A GB8209315 A GB 8209315A GB 8209315 A GB8209315 A GB 8209315A GB 2095968 A GB2095968 A GB 2095968A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flavour
- tea
- aqueous
- extract
- mixture
- 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.)
- Granted
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
- A23F3/30—Further treatment of dried tea extract; Preparations produced thereby, e.g. 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
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/14—Tea preparations, e.g. using additives
-
- 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
- A23F3/405—Flavouring with flavours other than natural tea flavour or tea oil
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
- Fats And Perfumes (AREA)
- Seasonings (AREA)
Abstract
A flavour composition suitable for flavouring tea is made by mixing an oily, foreign flavour with an aqueous tea extract or an aqueous solution of a dried tea extract to form an oil-in-water emulsion, followed by spray drying the resulting emulsion. The flavour composition may be mixed with dried tea extract and/or sugar, or agglomerated with tea dust and mixed with leaf tea.
Description
SPECIFICATION
Method of producing a flavour composition suitable for flavouring tea
The present invention relates to a method of producing a flavour composition suitable for flavoring tea.
Tea flavoured with a foreign flavour, that is to say, an added flavour not naturally occurring in the tea, for example, of citrus fruit; is valued by large groups of consumers for its particular organoleptical properties.
Various products are commercially available from which tea with a desired foreign flavour can be prepared in a simple manner. Some of these products are mixtures of dried tea extracts, foreign flavour, for example citric acid, and possibly sugar, which when dissolved in water, to which ice cubes are added, produce so-called "iced tea". Other known poducts consist of flavoured leaf tea, from which a brew can be prepared in the manner conventional for leaf tea. Various methods are known for the preparation of such leaf tea. In some of these, an oily flavour is applied direct to the leaf tea, for example, by sprinkling the tea with the desired quantity of flavour and subsequently mixing it together, or by keeping the tea in agitation in a tumbler while the flavour is sprayed into the tea mass in the desired quantity.Although it is possible in this way to produce a product having organolep tical properties appreciated by many, these methods have the disadvantage that, in connection with the volatility of some components of the oily flavour, the tea thus flavoured must be packed in an air-tight fashion, and once the package has been opened, is apt to lose its particular flavour quite rapidly. Such an oily flavour deteriorates when contacted with oxygen from the air and, as a result, loses its valued organoleptical properties. As a consequence, these unstable products are less suitable for being packed in teabags.
In order to eliminate this disadvantage, it has been proposed to flavour leaf tea by mixing the tea with a flavour composition in which the flavour is encapsulated in a water-soluble, non-volatile carrier, so that the flavour cannot voiatilize or deteriorate, even if the composition is exposed to the open air for a long time. Such a stable flavour composition can be prepared, in accordance with Dutch patent application 74,11619, by spray drying an emulsion of an oily flavour in an aqueous solution of gum arabic. The particles of the powder thus produced consist of microcapsules, in which the flavour is encapsulated within a skin of gum arabic. This flavour composition can be agglomerated with tea dust to a particle size suitable for being mixed with leaf tea. A similar method is proposed in Dutch patent application 76,11520.Although the flavoured tea thus produced can be packed and stored without particular precautions, for example in tea-bags without the need to fear that the flavour deteriorates or is lost through volatilization, these known flavour compositions have the disadvantage of containing a rather large proportion of foreign carrier, for example more than 20% gum arabic, which cannot be beneficial to the organoleptical properties of the product. In addition, the presence of foreign carriers in flavoured tea is objected to in certain countries on the ground of legal provisions.
It has now been found that it is possible to replace the foreign carrier in a flavour composition of the type described above by a carrier belonging to tea, namely, by soluble tea constituents. In particular it has been found that, by spray drying an emulsion of an oily flavour in an aqueous tea extract, a powdered product is produced, in which the oily part of the flavour in the particles is encapsulated in a skin of dry, water-soluble components, and furthermore that the flavour composition thus produced is highly stable, and lends itself excellently to agglomeration by means of water as the agglomerating liquid.
The present invention accordingly provides a method of preparing a flavour composition suitable for flavouring tea, which comprises mixing an oily foreign flavour with an aqueous solution of a carrier to form an oil-in-water emuslion, and spray drying the resulting mixture, said method being characterised by using as a carrier solution an aqueous tea extract or an aqueous solution of a dried tea extract.
For the preparation of the flavour composition, a flavour is used that is suitable for flavouring tea.
Examples are lemon, orange, rum, peppermint, bergamot, jasmine and rose flavour. The flavour consists in full or in part of oily components immiscible with aqueous tea extracts. The content of oily components should be sufficient to form an emulsion thereof in an aqueous tea extract. In addition to the oil phase, the flavour may contain an aqueous phase. This aqueous phase is or is not homogeneously mixed with the oil phase, and may contain solid, for example citric acid, in solution.
The selected oily flavour is intimately admixed with an aqueous tea extract to form an oil-in-water emulsion. Naturally, instead of an extract, an aqueous solution of a dried tea extract may be used.
The extract may be prepared in known manner by means of hot water from fermented or nonfermented (green) tea. The solid content of the emulsion should be sufficient for stabilization of the flavour, that is to say, that practically all flavourcontaining oil droplets can be encapsulated within a skin of solid, water-soluble components. These solid, water-soluble components are the solid tea components from the extract, and, if the flavour used contained an aqueous phase with solid dissolved therein, the solid components from the flavour. Hitherto, the best results have been obtained using emulsions having solid levels in the aqueous phase of at least 20% by weight. The requirement that the mixture of flavour and extract must be capable of being spray dried imposes an upper limit on the solid level of the extract, which depends on the spray drying plant used.Mostly this upper limit is in the order of 50% by weight.
Preferably the mixture of flavour and extract is of such a composition that the spray dried mixture contains 5-35% components of the selected foreign flavour as an oil phase, depending on the strength of the flavour. In this connection, for example, lemon, orange and rum flavour are regarded as weak flavours, and bergamot, jasmine and rose flavour as strong ones, peppermint flavour having a medium strength. In order to set off weak flavours to their advantage, they are preferably mixed with an extract of green tea, which has a tea flavour less pronounced than that of an extract of fermented tea.
Strong flavours can also be combined with an extract of fermented tea.
The spray drying of the mixture of flavour and extract may be effected in a known manner.
The flavour composition produced by spray drying can be used in various manners. Thus, for example, it may be used as such or in admixture with dried tea extract (instanttea powder) and/orsugarforthe preparation of so-called "iced tea". In order to improve its moisture-receptiveness, homogeneity and velocity of dissolution, the composition or mixture may be agglomerated. If an extract of green tea has been usedforthe preparation of the flavour composition, the natural tea flavour of the composition is sometimes insufficient, and blending with dried tea extract is desirable. This is mostly unnecessary if an extract of fermented tea has been used.
If the flavour composition is intended forflavouring fermented or non-fermented leaf tea, it is preferably agglomerated with tea dust. The tea dust may consist of one or more tea fractions collected in sieving dried fermented tea, for example, from so-called "siftings" having a particle size of 0.1-0.5 mm, or of a blend thereof with so-called "dust tea" having a particle size of 0.2-0.7 mm.
Agglomeration may be effected in known manner, for example, in an agglomeration dish as described in Dutch patent application 74,11619, referred to hereinbefore. Water is a suitable agglomeration liquid.
Preferably, the flavour composition is agglomerated with approximately the same quantity of dust tea by weight. By a suitable control of the conditions during the agglomeration, the particle size of the agglomerated product can be attuned to the dimensions of the leaf tea with which the granular flavour composition must be admixed.
Where necessary, the agglomerated product is dried and subsequently mixed with leaf tea. The quantity of flavour composition in the mixture depends on the strength of the flavour, and is generally 5-24% by weight.
The present invention will now be further illustrated by way of the following examples.
Example I
3.8 kg of a commercially available liquid lemon flavour having a water content of approximately 60% by weight, and comprising a mixture of deterpinated lemon oil and lemon juice inspissated to approximately 15% of its original volume was emulsified in a solution of 14.2 kg dried extract of green tea in 30 kg water, whereafter the resulting emulsion was spray dried. This resulted in 15.7 kg flavour composition, which by means of water was agglomerated with a like quantity of tea siftings to form granules having a size of 0.5-2mm. For the agglomeration, an agglomeration dish was used as described in Dutch patent application 74,11619.
8 kg of the agglomerated product was mixed with 92 kg fermented leaf tea having sizes of 0.5-4mm, whereafter the mixture was packed in teabags of wetstrength paper. The tea thus flavoured produced a tea drink with the desired lemon flavour even after prolonged storage without particular precautions.
Example II 6 kg of the liquid lemon flavour described in
Example I was emulsified in 40 kg aqueous extract of fermented tea having a dry content of 14% by weight, whereafterthe resulting emulsion was spray dried to produce 8 kg flavour composition. By intimately mixing 19 g of this flavour composition with 90 g powdered sugar, an instant powder was produced, which when dissolved in ice water to a concentration of 10 g/l produced so-called "icedtea".
Example 111 10 kg of a commercially available peppermint oil was emulsified in 40 kg aqueous extract of fermented tea having a dry content of 14% by weight, whereafter the resulting emulsion was spray dried.
The product was 8 kg flavour composition, which by means of water was agglomerated with a like quantity of tea siftings to form granules having a size of 0.2-2.5 mm. A mixture of these granules with leaf tea as in Example I was perfectly stable and suitable for being packed in teabags. The tea thus flavoured produced a tea drink having the desired peppermint flavour.
Claims (11)
1. A method of preparing a flavour composition suitable for flavouring tea, which comprises mixing an oily foreign flavour with an aqueous solution of a carrier to form an oil-in-water emulsion, said carrier solution being an aqueous tea extract or an aqueous solution of a dried tea extract, and spray drying the resulting mixture.
2. A method as claimed in claim 1, in which the solid content of the aqueous carrier solution is selected so that the emulsion contains at least 20% by weight of dry components dissolved in the aqeuous phase.
3. A method as claimed in claim 1 or claim 2, in which the aqueous carrier solution comprises up to 50% by weight of solids.
4. A method as claimed in any of claims 1 to 3, in which the flavour and the aqueous carrier solution are mixed together in such a ratio that the spray dried product contains 5-35% by weight of foreign flavour components as an oil phase.
5. A method as claimed in any of claims 1 to 4, in which the oily foreign flavour is lemon, orange, rum, peppermint, bergamot, jasmine or rose flavour.
6. A method as claimed in any of claims 1 to 5, in which the spray dried product is agglomerated with tea dust.
7. A method as claimed in claim 6, in which water is used as an agglomeration liquid.
8. A mixture of dried leaf tea and a flavour composition produced by the method of claim 6 or claim 7.
9. A teabag of wet-strength paper, filled with a mixture according to claim 8.
10. A method as claimed in claim 1, and substantially as hereinbefore described with referene to any of the Examples.
11. A mixture as claimed in claim 8 and substantially as hereinbefore described with reference to
Example I or Example Ill.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8101677A NL182122C (en) | 1981-04-03 | 1981-04-03 | FLAVORED LEAF TEA AND TEA BAG WITH FLAVORED LEAF TEA. |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2095968A true GB2095968A (en) | 1982-10-13 |
GB2095968B GB2095968B (en) | 1985-01-30 |
Family
ID=19837296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8209315A Expired GB2095968B (en) | 1981-04-03 | 1982-03-30 | Method of producing a flavour composition suitable for flavouring tea |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU554444B2 (en) |
BE (1) | BE892707A (en) |
CA (1) | CA1188920A (en) |
DE (1) | DE3211696A1 (en) |
FR (1) | FR2502904B1 (en) |
GB (1) | GB2095968B (en) |
IE (1) | IE52724B1 (en) |
IN (1) | IN156447B (en) |
NL (1) | NL182122C (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534983A (en) * | 1982-10-14 | 1985-08-13 | Naarden International N.V. | Process for flavoring dry vegetable matter |
EP0249853A2 (en) * | 1986-06-13 | 1987-12-23 | Salus-Haus Dr. Med. Otto Greither Inhaber Otto Greither | Process for preparing a mixture for a tea drink with a fruit taste; tea mixture prepared thereby and its use |
WO1995017826A1 (en) * | 1993-12-29 | 1995-07-06 | Pintz Gyoergy | Additive for stimulant beverages |
GB2324457A (en) * | 1997-04-26 | 1998-10-28 | Cultech Limited | Nutritional supplement |
EP0910956A1 (en) * | 1997-10-23 | 1999-04-28 | Societe Des Produits Nestle S.A. | Tea bag for iced tea |
US6761918B2 (en) | 2002-07-18 | 2004-07-13 | Tata Tea Ltd. | Method of processing green tea leaves to produce black tea that can be brewed in cold water |
US8124152B2 (en) | 2005-02-17 | 2012-02-28 | Conopco Inc. | Fat granules |
US8865245B2 (en) | 2008-12-19 | 2014-10-21 | Conopco, Inc. | Edible fat powders |
US8940355B2 (en) | 2003-07-17 | 2015-01-27 | Conopco, Inc. | Process for the preparation of an edible dispersion comprising oil and structuring agent |
US8945655B2 (en) | 2007-07-10 | 2015-02-03 | Conopco, Inc. | Stable and consumable compositions |
US9078455B2 (en) | 2010-03-25 | 2015-07-14 | Conopco, Inc. | Process for manufacturing tea products |
US9924730B2 (en) | 2010-06-22 | 2018-03-27 | Unilever Bcs Us, Inc. | Edible fat powders |
US10219523B2 (en) | 2010-12-17 | 2019-03-05 | Upfield Us Inc. | Process of compacting a microporous fat powder and compacted fat powder so obtained |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3701230A1 (en) * | 1987-01-17 | 1988-08-11 | Seelig & Hille R | Process for aromatising tea and tea-like products in infusion bags |
EP0765604B1 (en) | 1995-09-27 | 2000-11-08 | Teepack Spezialmaschinen Gmbh & Co. Kg | Process and apparatus for flavouring tea and similar products |
DE19919711A1 (en) * | 1999-04-30 | 2000-11-16 | Philip Daniel | Aromatization of tea and coffee comprises adding capsules containing aromas, essences and ethereal oils in water-soluble food-grade capsule |
DE10011298A1 (en) * | 2000-03-08 | 2001-09-13 | Sawo Ag Glarus | Sugar-free tea concentrate for dissolution in water contains citric acid granulate and/or malic acid as binder and optionally also gum arabic |
DE102006003335A1 (en) * | 2006-01-23 | 2007-07-26 | Symrise Gmbh & Co. Kg | Tea Flavoring |
EP2651229B1 (en) | 2010-12-17 | 2015-04-08 | Unilever N.V. | Edible water in oil emulsion |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB472104A (en) * | 1937-01-13 | 1937-09-16 | Leonard Morton Wright | Improvements in or relating to the treatment of tea |
US3666484A (en) * | 1969-11-12 | 1972-05-30 | Lipton Inc Thomas J | Process for making a spray-dried instant tea of desired bulk density |
FR2148431B1 (en) * | 1971-08-12 | 1978-03-03 | Nestle Sa | |
DE2332227A1 (en) * | 1972-06-29 | 1974-01-10 | Unilever Nv | TEABAG |
GB1486768A (en) * | 1973-09-18 | 1977-09-21 | Dej Int Research Co Bv | Agglomeration pan |
GB1564001A (en) * | 1975-10-24 | 1980-04-02 | Unilever Ltd | Beverge compositions |
CA1142018A (en) * | 1978-10-10 | 1983-03-01 | Stephen F. Hudak | Process for aromatizing food substrates |
-
1981
- 1981-04-03 NL NL8101677A patent/NL182122C/en not_active IP Right Cessation
-
1982
- 1982-03-24 AU AU81870/82A patent/AU554444B2/en not_active Expired
- 1982-03-26 IN IN341/CAL/82A patent/IN156447B/en unknown
- 1982-03-30 GB GB8209315A patent/GB2095968B/en not_active Expired
- 1982-03-30 DE DE19823211696 patent/DE3211696A1/en active Granted
- 1982-03-31 CA CA000399960A patent/CA1188920A/en not_active Expired
- 1982-03-31 BE BE2/59654A patent/BE892707A/en not_active IP Right Cessation
- 1982-04-01 FR FR8205628A patent/FR2502904B1/en not_active Expired
- 1982-04-02 IE IE79582A patent/IE52724B1/en not_active IP Right Cessation
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534983A (en) * | 1982-10-14 | 1985-08-13 | Naarden International N.V. | Process for flavoring dry vegetable matter |
EP0249853A2 (en) * | 1986-06-13 | 1987-12-23 | Salus-Haus Dr. Med. Otto Greither Inhaber Otto Greither | Process for preparing a mixture for a tea drink with a fruit taste; tea mixture prepared thereby and its use |
EP0249853A3 (en) * | 1986-06-13 | 1988-09-28 | Salus-Haus Dr. Med. Otto Greither Inhaber Otto Greither | Process for preparing a mixture for a tea drink with a fruit taste; tea mixture prepared thereby and its use |
US4851252A (en) * | 1986-06-13 | 1989-07-25 | Salus-Haus Dr. Med. Otto Greither Inhaber Otto Greither | Composition and process for the production of a mixture for a tea drink with fruit flavour |
WO1995017826A1 (en) * | 1993-12-29 | 1995-07-06 | Pintz Gyoergy | Additive for stimulant beverages |
GB2324457A (en) * | 1997-04-26 | 1998-10-28 | Cultech Limited | Nutritional supplement |
GB2324457B (en) * | 1997-04-26 | 2001-05-30 | Cultech Ltd | Nutritional supplement |
EP0910956A1 (en) * | 1997-10-23 | 1999-04-28 | Societe Des Produits Nestle S.A. | Tea bag for iced tea |
US6235323B1 (en) | 1997-10-23 | 2001-05-22 | Nestec S.A. | Tea bag for iced tea |
US6761918B2 (en) | 2002-07-18 | 2004-07-13 | Tata Tea Ltd. | Method of processing green tea leaves to produce black tea that can be brewed in cold water |
US8940355B2 (en) | 2003-07-17 | 2015-01-27 | Conopco, Inc. | Process for the preparation of an edible dispersion comprising oil and structuring agent |
US11278038B2 (en) | 2003-07-17 | 2022-03-22 | Upfield Europe B.V. | Process for the preparation of an edible dispersion comprising oil and structuring agent |
US8124152B2 (en) | 2005-02-17 | 2012-02-28 | Conopco Inc. | Fat granules |
US9661864B2 (en) | 2005-02-17 | 2017-05-30 | Unilever Bcs Us, Inc. | Process for the preparation of a spreadable dispersion |
US8147895B2 (en) | 2005-02-17 | 2012-04-03 | Conopco, Inc. | Process for the preparation of a spreadable dispersion |
US8945655B2 (en) | 2007-07-10 | 2015-02-03 | Conopco, Inc. | Stable and consumable compositions |
US8865245B2 (en) | 2008-12-19 | 2014-10-21 | Conopco, Inc. | Edible fat powders |
US9078455B2 (en) | 2010-03-25 | 2015-07-14 | Conopco, Inc. | Process for manufacturing tea products |
US9924730B2 (en) | 2010-06-22 | 2018-03-27 | Unilever Bcs Us, Inc. | Edible fat powders |
US10219523B2 (en) | 2010-12-17 | 2019-03-05 | Upfield Us Inc. | Process of compacting a microporous fat powder and compacted fat powder so obtained |
US11071307B2 (en) | 2010-12-17 | 2021-07-27 | Upfield Europe B.V. | Process of compacting a microporous fat powder and compacted powder so obtained |
Also Published As
Publication number | Publication date |
---|---|
CA1188920A (en) | 1985-06-18 |
DE3211696C2 (en) | 1991-03-21 |
NL182122C (en) | 1988-01-18 |
BE892707A (en) | 1982-09-30 |
AU8187082A (en) | 1982-10-07 |
FR2502904A1 (en) | 1982-10-08 |
DE3211696A1 (en) | 1982-11-11 |
IE820795L (en) | 1982-10-03 |
NL8101677A (en) | 1982-11-01 |
NL182122B (en) | 1987-08-17 |
GB2095968B (en) | 1985-01-30 |
IE52724B1 (en) | 1988-02-03 |
FR2502904B1 (en) | 1988-07-01 |
IN156447B (en) | 1985-08-03 |
AU554444B2 (en) | 1986-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PG | Patent granted |