Process for the preparation of granules for the controlled release of volatile compounds
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A23L-001/00
출원번호
US-0847899
(2001-05-03)
우선권정보
WO-PCT/IB99/01510 (1999-09-06)
국제출원번호
PCT/IB00/01155
(2000-08-23)
국제공개번호
WO01/17372
(2001-03-15)
발명자
/ 주소
Benczedi, Daniel
Bouquerand, Pierre-Etienne
출원인 / 주소
Firmenich SA
대리인 / 주소
Winston & Strawn
인용정보
피인용 횟수 :
13인용 특허 :
4
초록▼
A process for shaping into a granular form a delivery system for the controlled release of flavor or fragrance compounds. This process includes the steps of preparing a mixture of a continuous phase carrier containing a volatile flavor or fragrance compound or composition finely divided therein and
A process for shaping into a granular form a delivery system for the controlled release of flavor or fragrance compounds. This process includes the steps of preparing a mixture of a continuous phase carrier containing a volatile flavor or fragrance compound or composition finely divided therein and having a low water content. This guarantees that the glass transition temperature of the mixture is the glass transition temperature of the final product. The mixture is then heated within a screw extruder to a temperature of between 90 and 130° C. to form a molten mass, the molten mass is extruded through a die and then chopped as it exits the die. The latter step is performed at a temperature above the glass transition temperature of the carrier.
대표청구항▼
1. A process for the preparation of a flavor or fragrance delivery system, which comprises: a) preparing a mixture of a continuous phase carrier containing a volatile flavor or fragrance compound or composition which is finely divided therein, the mixture having a water content such that said mix
1. A process for the preparation of a flavor or fragrance delivery system, which comprises: a) preparing a mixture of a continuous phase carrier containing a volatile flavor or fragrance compound or composition which is finely divided therein, the mixture having a water content such that said mixture has a glass transition temperature above room temperature; b) heating the mixture within a screw extruder to a temperature of between 90 and 130° C. to form a molten mass; c) extruding the molten mass through a die; d) chopping the molten mass as it exits the die to provide a flavor or fragrance delivery system in a granular form having a glass transition temperature Tg which is essentially the same as that of the mixture. 2. The process according to claim 1 wherein the extruding of the molten mass is carried out at a pressure below 100×105Pa. 3. The process according to claim 1 wherein the extruding of the molten mass is carried out at a pressure comprised between 1×105and 50×105Pa. 4. The process according to claim 1 wherein the mixture comprises between 5 and 10% of water. 5. The process according to claim 1 wherein the glass transition temperature of the mixture is above room temperature and the volatile flavor or fragrance is encapsulated by the carrier. 6. The process according to claim 1 wherein the glass transition temperature of the carrier is above 40° C. 7. The process according to claim 1, wherein the continuous phase carrier is selected from the group consisting of sucrose, glucose, lactose, fructose, maltose, ribose, dextrose, isomalt, sorbitol, mannitol, xylitol, lactitol, maltitol, pentatol, arabinose, pentose, xylose, galactose, trehalose, hydrogenated corn syrup, maltodextrin, agar, carrageenan, gums, polydextrose and derivatives and mixtures thereof. 8. The process according to claim 1 wherein the diameter of the die is comprised between 0.7 and 2.0 mm. 9. A granule produced by the process of claim 1. 10. The process according to claim 1, wherein the mixture prepared in step a) has a water content such that the glass transition temperature of the mixture is above 40° C.
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이 특허에 인용된 특허 (4)
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