Patent EA-005292-B1 (EA)
Title: A coated chewing gum, a method for preparation thereof and the use of one or more active substance(s) in solid form
Inventor: STAHL BRONISLAW-JAN
IPC: A23G4/06
Filed: 1999-03-03
Abstract: 1. A coated chewing gum comprising a core of chewing gum and a coating comprising a coating material and one or more active substance (s), characterised in that the active substance (s) is/are added in solid form when applying on the coating and selected among encapsulated active substance, a natural flavouring agent, the water content of the natural flavouring agent is less than 75% by weight, acid highly-effective sweeteners. 2. The coated chewing gum according to claim 1 wherein the natural vegetable flavouring agent is selected among fruits and herbs. 3. The coated chewing gum according to claim 2 wherein the natural vegetable flavouring agent is selected among coconut, grape fruit, orange, lime, lemon, mandarin, pineapple, strawberry, raspberry, mango, passion fruit, kiwi, apple, pear, peach, apricot, cherry, grapes, banana, cranberry, blueberry, black currant, red currant, gooseberry, and lingonberry thyme, basil, valerian, fennel, parsley, camomile, tarragon, lavender, dill, cumin, bergamot, sage, aloe vera, spearmint, peppermint, eucalyptus, and mixtures thereof. 4. The coated chewing gum according to claim 3 wherein the water content of the natural flavouring agent is less than 60% by weight, preferable less than 40%, more preferred less than 30%, such as less than 25%. 5. The coated chewing gum according to claim 4 wherein the water content of the natural flavouring agent is less than 20% by weight, such as less than 15%, more preferred less than 10% such as between 1.5-7%, more preferred between 2-6%. 6. The coated chewing gum according to any of claims 1-5 wherein the natural flavouring agent is freeze-dried. 7. The coated chewing gum according to any of claims 1-6 wherein the natural flavouring agent is in the form of a powder, slices or pieces or combinations thereof. 8. The coated chewing gum according to claim 7 wherein the natural flavouring agent is in a form where the particle size is less than 3mm, such as less than 2mm, more preferred less than1 mm, calculated as the longest dimension of the particle. 9. The coated chewing gum according to claim 7 wherein the natural flavouring agent is in a form where the particle size is from about 3mkm to 2mm, such as from 4 mkm to 1mm. 10. The coated chewing gum according to any of claims 1-9 wherein the natural flavouring agent comprises seeds from a fruit e. g. from strawberry, blackberry and raspberry, and which seeds are substantially intact. 11. The coated chewing gum according to any of the preceding claims wherein the natural vegetable flavouring agent also provides the gum formulation with natural colour. 12. The coated chewing gum according to claim 1, characterised in that the acids are selected among citric acid, malic acid, tartaric acid, lactic acid, and ascorbic acid. 13. The coated chewing gum according to claim 1, characterised in that the sweeteners are selected among aspartame, acesulfame K, saccharin, cyclamate, neohespiridine, thaumatin, glycyrrhizin, and salts thereof, monellin, sucrolase, and alitame. 14. The coated chewing gum according to claim 1, characterised in that the functional substances are selected among vitamins, "cooling agents", flavour enhancers, and pharmaceuticals in the coating such as the vitamins A, B, C, D, and E, enzymes, nicotine, caffeine, acetylsalicylic acid, chlorhexidine, zinc compounds, and antihistamines. 15. The coated chewing gum according to any of the preceding claims wherein the active substance (s) is/are in an encapsulated form. 16. The coated chewing gum according to claim 15 wherein the encapsulated active substance is encapsulated in one or more material (s) selected among fatty substances, waxes, gelatine, gum arabic, starch, cellulose, cellulose derivatives, shellac, polyvinyl acetate, polyethylene, casein, zein, B cyclodextrine, silica, yeast cells, and a mixture of the above encapsulation materials, preferably a mixture of fatty substances and carnauba wax. 17. The coated chewing gum according to any of claims 1-16, characterised in that the coating addition comprises one or more liquid active substance (s). 18. The coated chewing gum according to any of the preceding claims, characterised in that further contains the flavour selected among natural, naturally identical or synthetic flavours, and plant extracts. 19. The coated chewing gum according to claim 1, characterised in that the additional flavour is selected among peppermint, periwinkle, eucalyptus, spearmint, anethol, menthol, powdered anise, and fruit flavours such as orange, lemon, mango, pineapple, lime, strawberry, cherry, black currant, blueberry, raspberry, wild berry, cranberry, apple, pear, banana, prune, and plum flavour. 20. The coated chewing gum according to claim 18, characterised in that the plant extracts are selected among extracts of liquorice, coffee, tea, herbs such as sage, thyme, basil, bergamot, balm, valerian, camomile, lavender, aloe vera, and spices such as pepper, cinnamon, capsicum, paprika, tarragon, fennel, mustard, dill, caraway, parsley, and tomato. 21. The coated chewing gum according to any of the preceding claims, characterised in that the coating further contains salt. 22. The coated chewing gum according to claim 21, characterised in that the salt is selected among sodium chloride, potassium chloride, ammonium chloride, sodium bicarbonate, and carbamide. 23. The coated chewing gum according to any of the preceding claims, characterised in that the coating material is prepared from the coating suspension comprising an aqueous solution of a sugar, a sugar alcohol, an artificial sweetener or mixtures thereof. 24. The coated chewing gum according to any of the preceding claims, characterised in that the coating suspension comprises an aqueous solution of one or more constituent (s) selected among saccharose, dextrose, sorbitol, xylitol, tagatose, mannitol, maltitol, isomalt, aspartame, acesulfame K, saccharine, cyclamate, taline, and neohespiridine. 25. A method for the preparation of a coated chewing gum according to any of claims 1-24, characterised in that it comprises the following steps: 1) preparation of a core of chewing gum in a manner known per se, 2) preparation of a coating suspension, also in a manner known per se, 3) application of the coating suspension onto the cores of chewing gum in a manner known per se, 4) applying on the coating of one or more active substance (s) in solid form in one or more increment (s), the active substance(s) is/are selected among encapsulated active substance, a natural flavouring agent, the water content of the natural flavouring agent is less than 75% by weight, acid and natural flavouring agent, and optionally repeating step 3) and 4), 26. The method according to claim 25, characterised in that the coating suspension comprises an aqueous solution of a sugar, a sugar alcohol, an artificial sweetener or mixtures thereof. 27. The method according to claim 26, characterised in that the coating suspension comprises an aqueous solution of one or more constituent (s) selected among saccharose, dextrose, sorbitol, xylitol, tagatose, mannitol, maltitol, isomalt, aspartame, acesulfame K, saccharine, cyclamate, taline, and neohespiridine. 28. The method according to any of claims 25-27, characterised in that the coating suspension is applied in approx. 2 to 90 increments, preferably in approximately 30-60 increments. 29. The method according to any of claims 25-28, characterised in that the active substance (s) present in solid form is/are applied in 1 to 10increment (s) between the dosages of the coating suspension, preferably 1-4 increment (s). 30. The use of one or more active substance (s) selected among the natural flavouring agents and functional groups in solid form in the coating of a coated chewing gum according to claim 1 to achieve a fast onset of the effect. 31. The use of one or more active substance (s) selected among the natural flavouring agents and functional groups in solid form in the coating of a coated chewing gum according to claim 1 to achieve a better stability of the active substance. 32. The use of one or more active substance (s) selected among the natural flavouring agents and functional groups in solid form in the coating of a coated chewing gum according to claim 1 to achieve an increased effect of the active substance (s) in all chewing phases.