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High flavor load particle and method of preparing same

Inactive Publication Date: 2005-11-03
CHR HANSEN AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008] The present invention relates to high flavor load spherical particles (advantageously, symmetrically spherical) comprising a matrix material (e.g., a porous matrix material) that can absorb many times its weight in fluid, and at least one flavoring agent and / or excipient and / or aerosolizing agent. The instant particles make it possible for the tobacco industry to provide to the public a “safer” traditional cigarette that delivers flavors and / or excipients in a non-pyrolized form.

Problems solved by technology

The combustion of such agents can result in the formation of harmful substances, at least some of which are considered carcinogenic.
Only small amounts of the flavoring agents can be applied, otherwise they will interfere with the smoke taste and perception in the mouth.
Spray-dried flavoring agents have been attempted but it has been found that they are susceptible to migration through the filter, with the potential to be inhaled into the lungs.
Further, spray-dried flavoring agents are susceptible to migration from the cigarette rod into the packaging.

Method used

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  • High flavor load particle and method of preparing same
  • High flavor load particle and method of preparing same

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0035] Particles of the invention can be prepared using the process that follows: [0036] 1. A hydrophilic flavor agent is applied to a dry matrix comprising of microcrystalline cellulose at a 50 / 50 w / w ratio to form a dough-like paste. [0037] 2. The dough resulting from step 1 is fed, automatically or manually, into a low-pressure extruder and extruded through a die face grid screen with a preferred grid size of 0.5 mm-1.0 mm, which defines the cross section of the particle rod. The extruder can be single or twin screw or axial twin screw, which is designed for gravity feed and low pressure extrusion or jacketed cooling of the extruder shaft. The unit has the capacity to extrude rods down to 0.3 mm with rod integrity. [0038] 3. The rods resulting from step 2 are delivered, manually or by machine, to a spheronizing unit. The spheronizer comprises a vertical cylinder with a discharge shaft or port, a circular multi baffled “friction” plate (e.g., 1 mm-5 mm disk) and a variable speed d...

example 2

[0042] Described below is a process to deliver flavor post rod filler in a cavity beneath a cigarette filter. Theoretically, cellulose will swell, discharging flavor into entrained air flow.

Materials:

[0043] i) Tobacco Type flavor (composed of FEMA GRAS materials, the flavor can be a mix consisting of the following at the limits not to exceed the described maximum all described in percentage of the overall flavoring preparation: Acetanisole [0044] ii) Microcrystalline cellulose (Avicel PH101) (FMC Corp.) (45.45% W / W wet basis, 90.9% load dry basis). [0045] iii) Deionized water (50.00% W / W wet basis).

[0046] The process comprises the following steps: [0047] A) add Avicel and flavor to a planetary mixer; [0048] B) blend until visually uniform; [0049] C) add deionized water while mixing until visually uniform; [0050] D) extrude in a coaxial jacketed dome extruder to the specifications: 0.7 mm stainless steel dieface at an auger speed of 45 rpm inserting 10 shims at the dome contact p...

example 3

[0054] Described below is a process to deliver higher flavor load post rod filler in a cavity beneath the filter. As above, the cellulose will swell, discharging flavor into entrained air flow.

Materials:

[0055] i) Tobacco Type (composed of FEMA GRAS materials, the flavor can be a mix consisting of the following at the limits not to exceed the described maximum all described in percentage of the overall flavoring preparation: Acetanisole [0056] ii) Microcrystalline cellulose (Avicel PH101) (FMC Corp.) (45.55% W / W wet basis, 79.78% load dry basis). [0057] iii) Deionized water (45.45% W / W wet basis)

[0058] The process comprises the same steps set forth above in Example 2. The resulting spheres can be introduced into a cigarette rod in the manner described in Example 2 and flavor delivery evaluated.

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Abstract

The present invention relates to high flavor load particles and to methods of preparing same. The invention also relates to methods of using such particles to flavor tobacco products, including cigarettes and other conventional smoking articles.

Description

[0001] This application claims priority from U.S. Provisional Appln. No. 60 / 565,522, filed Apr. 27, 2004, and U.S. Provisional Appln No. 60 / 592,244 and EP 04103681.5, filed Jul. 30, 2004, the entire contents of which are incorporated herein by reference.FIELD OF THE INVENTION [0002] The present invention relates to high flavor load particles and to methods of preparing same. The invention also relates to methods of using such particles to flavor tobacco products, including cigarettes and other conventional smoking articles. BACKGROUND OF THE INVENTION [0003] Flavoring agents that are added to tobacco products, including cigarettes, are typically subjected to combustion as the tobacco burns. The combustion of such agents can result in the formation of harmful substances, at least some of which are considered carcinogenic. [0004] In a typical cigarette manufacturing process, flavoring agents are first added to the tobacco leaf by spraying dilute solutions of the flavoring agents direc...

Claims

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Application Information

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IPC IPC(8): A24D1/00A24F1/22
CPCA23L1/22008A24D1/002A24B15/283A24B15/282A23L27/70
Inventor KENNISON, DEBORAH
Owner CHR HANSEN AS
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