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US5266335A Expired / Lapsed US ⏱️ 0.0 years remaining

Microencapsulated flavoring agents and methods for preparing same

Assignee: Warner Lambert Co LLC
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Filing: 1992-09-08
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Granted: 1993-11-30
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Expires: 2012-09-08
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Abstract

Abstract The present invention pertains to a microencapsulated flavoring agent in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule comprises (A) a core present in an amount up to about 90%, by weight of the microcapsule, which comprises (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core, and (b) a resin in an amount from about 80% to about 20%, by weight of the core, and (B) a coating layer over the core which comprises in percentages by weight of the coating layer, (a) gelatin in an amount from about 45% to about 49%, (b) gum arabic in an amount from about 45% to about 49%, and (c) glutaraldehyde in an amount from about 2% to about 10%. The encapsulated flavoring agents may be used in a wide variety of ingestible compositions and chewing gum products. The present invention also pertains to methods for preparing the encapsulated flavoring agents and the ingestible compositions in which they may be employed.

Inventors

  • 👤 Subraman R. Cherukuri
  • 👤 Krishna P. Raman
  • 👤 Gul Mansukhani

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 05:13
CPC Classifications
A; A23; A23G; A23G4/00; A23G4/18; A23G4/20; A23G4/06; A23G4/08; A23L; A23L27/00; A23L27/70; A23L27/72; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/10; A23V; A23V2002/00

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 159 words
A microencapsulated flavoring agent in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 2
Dependent Claim 159 words
A microencapsulated flavoring agent in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 3
Dependent Claim 25 words
The microencapsulated flavoring agent according to claim 1, wherein the core is present in an amount up to about 85%, by weight of the microcapsule.
Claim 4
Dependent Claim 40 words
The microencapsulated flavoring agent according to claim 1, wherein the flavoring agent the core in an amount from about 35% to about 65% and a resin in an amount from about 65% to about 35%, by weight of the core.
Claim 5
Dependent Claim 31 words
The microencapsulated flavoring agent according to claim 1, wherein the flavoring agent is selected from the group consisting of peppermint oil, cinnamon oil, spearmint oil, fruit flavor oil, and mixtures thereof.
Claim 6
Dependent Claim 91 words
The microencapsulated flavoring agent according to claim 1, wherein the resin is selected from the group consisting of the pentaerythritol ester of partially hydrogenated wood rosin, the pentaerythritol ester of wood rosin, the glycerol ester of wood rosin, the glycerol ester of partially dimerized rosin, the glycerol ester of polymerized rosin, the glycerol ester of tall oil rosin, the glycerol ester of wood rosin and partially hydrogenated wood and gum rosin and the partially hydrogenated methyl ester of rosin, such as polymers of alpha-pinene, beta-pinene, terpene resins, polyterpene, and mixtures thereof.
Claim 7
Dependent Claim 176 words
An edible composition comprising a pharmaceutically acceptable carrier and an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90% by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 8
Dependent Claim 176 words
An edible composition comprising a pharmaceutically acceptable carrier and an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90% by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 9
Dependent Claim 29 words
The edible composition according to claim 6, wherein the microencapsulated flavoring agent is present in an amount from about 0.02% to about 5%, by weight of the edible composition.
Claim 10
Dependent Claim 24 words
The edible composition according to claim 6, wherein the core is present in an amount up to about 85%, by weight of the microcapsule.
Claim 11
Dependent Claim 30 words
The edible composition according to claim 6, wherein the flavoring agent is selected from the group consisting of peppermint oil, cinnamon oil, spearmint oil, fruit flavor oil, and mixtures thereof.
Claim 12
Dependent Claim 90 words
The edible composition according to claim 6, wherein the resin is selected from the group consisting of the pentaerythritol ester of partially hydrogenated wood rosin, the pentaerythritol ester of wood rosin, the glycerol ester of wood rosin, the glycerol ester of partially dimerized rosin, the glycerol ester of polymerized rosin, the glycerol ester of tall oil rosin, the glycerol ester of wood rosin and partially hydrogenated wood and gum rosin and the partially hydrogenated methyl ester of rosin, such as polymers of alpha-pinene, beta-pinene, terpene resins, polyterpene, and mixtures thereof.
Claim 13
Dependent Claim 185 words
A flavored chewing gum composition which comprises: (i) a chewing gum base; (ii) a bulking agent; and (iii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 14
Dependent Claim 185 words
A flavored chewing gum composition which comprises: (i) a chewing gum base; (ii) a bulking agent; and (iii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 15
Dependent Claim 31 words
The chewing gum composition according to claim 11, wherein the microencapsulated flavoring agent is present in an amount from about 0.02% to about 5%, by weight of the chewing gum composition.
Claim 16
Dependent Claim 28 words
The chewing gum composition according to claim 11, wherein the gum base is present in an amount up to about 55%, by weight of the chewing gum composition.
Claim 17
Dependent Claim 30 words
The chewing gum composition according to claim 11, wherein the gum base is present in an amount from about 50% to about 85%, by weight of the chewing gum composition.
Claim 18
Dependent Claim 25 words
The chewing gum composition according to claim 11, wherein the core is present in an amount up to about 85%, by weight of the microcapsule.
Claim 19
Dependent Claim 31 words
The chewing gum composition according to claim 11, wherein the flavoring agent is selected from the group consisting of peppermint oil, cinnamon oil, spearmint oil, fruit flavor oil, and mixtures thereof.
Claim 20
Dependent Claim 91 words
The chewing gum composition according to claim 11, wherein the resin is selected from the group consisting of the pentaerythritol ester of partially hydrogenated wood rosin, the pentaerythritol ester of wood rosin, the glycerol ester of wood rosin, the glycerol ester of partially dimerized rosin, the glycerol ester of polymerized rosin, the glycerol ester of tall oil rosin, the glycerol ester of wood rosin and partially hydrogenated wood and gum rosin and the partially hydrogenated methyl ester of rosin, such as polymers of alpha-pinene, beta-pinene, terpene resins, polyterpene, and mixtures thereof.
Claim 21
Dependent Claim 179 words
A flavored confectionery composition which comprises: (i) a confectionery base; and (ii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 22
Dependent Claim 179 words
A flavored confectionery composition which comprises: (i) a confectionery base; and (ii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 23
Dependent Claim 29 words
The confectionery composition according to claim 18, wherein the microencapsulated flavoring agent is present in an amount from about 0.02% to about 5%, by weight of the confectionery composition.
Claim 24
Independent Claim 311 words
A method for preparing a microencapsulated flavoring agent in the form of a spheroidal microcapsule which consists essentially of a core and a coating layer over the core, which comprises the steps of: (1) providing the following ingredients: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%; (2) forming an aqueous solution of the gelatin at a temperature above the gelation temperature of the gelatin; (3) melting the resin and admixing the flavoring agent to the melted resin; (4) cooling the mixture of flavoring agent and resin and admixing the mixture to the aqueous gelatin to form an emulsion; (5) forming an aqueous solution of the gum arabic at a temperature above the gelation temperature of the gum arabic; (6) admixing the aqueous solution of gum arabic to the emulsion of step (4); (7) diluting the emulsion with water and adjusting the pH of the emulsion to cause coacervation of microcapsules; (8) lowering the temperature of the emulsion to below the gelation temperature of the gelatin and gum arabic to cause gelation of the microcapsules; (9) treating the microcapsules with an aqueous solution of glutaraldehyde; and (10) recovering the microcapsules, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 25
Independent Claim 311 words
A method for preparing a microencapsulated flavoring agent in the form of a spheroidal microcapsule which consists essentially of a core and a coating layer over the core, which comprises the steps of: (1) providing the following ingredients: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%; (2) forming an aqueous solution of the gelatin at a temperature above the gelation temperature of the gelatin; (3) melting the resin and admixing the flavoring agent to the melted resin; (4) cooling the mixture of flavoring agent and resin and admixing the mixture to the aqueous gelatin to form an emulsion; (5) forming an aqueous solution of the gum arabic at a temperature above the gelation temperature of the gum arabic; (6) admixing the aqueous solution of gum arabic to the emulsion of step (4); (7) diluting the emulsion with water and adjusting the pH of the emulsion to cause coacervation of microcapsules; (8) lowering the temperature of the emulsion to below the gelation temperature of the gelatin and gum arabic to cause gelation of the microcapsules; (9) treating the microcapsules with an aqueous solution of glutaraldehyde; and (10) recovering the microcapsules, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 26
Independent Claim 189 words
A method for preparing a flavored edible composition which comprises admixing an effective amount of a microencapsulated flavoring agent to flavor the composition with a pharmaceutically acceptable carrier, wherein the microencapsulated flavoring agent is in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 27
Independent Claim 189 words
A method for preparing a flavored edible composition which comprises admixing an effective amount of a microencapsulated flavoring agent to flavor the composition with a pharmaceutically acceptable carrier, wherein the microencapsulated flavoring agent is in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 28
Independent Claim 227 words
A method for preparing a flavored chewing gum composition which comprises the steps of: (1) providing the following ingredients: (i) a gum base; (ii) a bulking agent; and (iii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a rosin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%; (2) melting the gum base; (3) admixing the bulking agent and microencapsulated flavoring agent with the melted gum base; and (4) forming the mixture from step (3) into suitable gum shapes, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 29
Independent Claim 227 words
A method for preparing a flavored chewing gum composition which comprises the steps of: (1) providing the following ingredients: (i) a gum base; (ii) a bulking agent; and (iii) an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a rosin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%; (2) melting the gum base; (3) admixing the bulking agent and microencapsulated flavoring agent with the melted gum base; and (4) forming the mixture from step (3) into suitable gum shapes, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 30
Independent Claim 181 words
A method for flavoring an edible composition which comprises adding to the edible composition an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.
Claim 31
Independent Claim 181 words
A method for flavoring an edible composition which comprises adding to the edible composition an effective amount of a microencapsulated flavoring agent to flavor the composition in the form of a spheroidal microcapsule which comprises a core and a coating layer over the core, wherein the microcapsule consists essentially of: (A) a core present in an amount up to about 90%, by weight of the microcapsule, which consists essentially of: (a) a flavoring agent in an amount from about 20% to about 80%, by weight of the core; and (b) a resin in an amount from about 80% to about 20%, by weight of the core; and (B) a coating layer over the core which consists essentially of in percentages by weight of the coating layer; (a) gelatin in an amount from about 45% to about 49%; (b) gum arabic in an amount from about 45% to about 49%; and (c) glutaraldehyde in an amount from about 2% to about 10%, wherein the resin in the core stabilizes the flavoring agent as well as delaying the release of said flavoring agent.

References Cited (Backward Citations)

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