Microbiological control in poultry processing
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A23C-021/00
A23B-004/14
출원번호
US-0313245
(2002-12-06)
발명자
/ 주소
Howarth,Jonathan N.
출원인 / 주소
Albemarle Corporation
인용정보
피인용 횟수 :
10인용 특허 :
194
초록▼
A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products is described. The method comprises contacting the carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting from the addition to t
A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products is described. The method comprises contacting the carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting from the addition to the medium of (i) at least one 1,3-dibromo-5,5-dialkylhydantoinin which one of the alkyl groups is a methyl group and the other alkyl group contains in the range of 1 to about 4 carbon atoms or (ii) a solution thereof, or (iii) both of (i) and (ii). Such contacting inhibits contamination of the carcasses by microorganisms, even at least some bacteria that are resistant to antibiotics or antibacterials. Also described are improvements in a poultry chill tank containing an aqueous medium and a plurality of poultry carcasses in contact with the medium. Such improvements result from the presence in the medium of an effective microbial inhibiting amount of active bromine in the medium, which amount results from the addition to water before it enters the tank or while it is in the tank, or both, of (i) at least one of the above 1,3-dibromo-5,5-dialkylhydantoins, and/or a solution thereof.
대표청구항▼
That which is claimed is: 1. A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products, which method comprises contacting said carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting fr
That which is claimed is: 1. A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products, which method comprises contacting said carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting from the addition to said medium of (i) at least one 1,3-dibromo-5,5-dialkylhydantoin in which one of the alkyl groups is a methyl group and the other alkyl group contains in the range of 1 to about 4 carbon atoms or (ii) a solution thereof, or (iii) both of (i) and (ii), said contacting inhibiting contamination of said carcasses by microorganisms. 2. A method as in claim 1 wherein said contacting is conducted in a chill tank containing said aqueous medium. 3. A method as in claim 1 wherein said contacting is conducted by spraying, splashing, or pouring said aqueous medium onto said carcasses. 4. A method as in any of claims 1-3 wherein said at least one 1,3-dibromo-5,5-dialkylhydantoin is 1,3-dibromo-5,5-dimethylhydantoin. 5. A method as in claim 1 wherein the effective microbial inhibiting amount of active bromine in said medium is up to about 100 ppm (wt/wt). 6. A method as in claim 5 wherein said contacting is conducted in a chill tank containing said aqueous medium. 7. A method as in claim 5 wherein said contacting is conducted by spraying, splashing, or pouring said aqueous medium onto said carcasses. 8. A method as in any of claims 5-7 wherein said at least one 1,3-dibromo-5,5-dialkylhydantoin is 1,3-dibromo-5,5-dimethylhydantoin. 9. A method as in any of claims 1-3 or 5-7 wherein said effective microbial inhibiting amount of active bromine is in the range of about 30 to about 100 ppm (wt/wt) of active bromine. 10. A method as in any of claims 1-3 or 5-7 wherein said at least one 1,3-dibromo-5,5-dialkylhydantoin is 1, 3-dibromo-5,5-dimethylhydantoin, and wherein said effective microbial inhibiting amount of active bromine is in the range of about 30 to about 100 ppm (wt/wt) of active bromine. 11. A method as in claim 1 wherein said microorganisms comprise bacterial strains which have developed resistance to antibiotics and/or antibacterials. 12. A method as in claim 1 wherein said microorganisms have developed resistance to at least one of nalidixic acid, streptomycin, or tetracycline. 13. A method as in claim 11 or 12 wherein said contacting is conducted by contacting said carcasses with said aqueous medium in a chill tank, or by spraying, splashing, or pouring said aqueous medium on said carcasses. 14. A method as in claim 13 wherein said effective microbial inhibiting amount of active bromine is in the range of about 20 to about 100 ppm (wt/wt). 15. In a poultry chill tank containing an aqueous medium and a plurality of poultry carcasses in contact with said medium, the improvement wherein an effective microbial inhibiting amount of active bromine is present in said medium, said amount of active bromine resulting from the addition to water before it enters said tank or while it is in said tank, or both, of (i) at least one 1,3-dibromo-5,5-dialkylhydantoin in which one of the alkyl groups is a methyl group and the other alkyl group contains in the range of 1 to about 4 carbon atoms or (ii) a solution thereof, or (iii) both of (i) and (ii), so that contamination of the carcasses by microorganisms is inhibited. 16. The improvement as in claim 15 wherein said effective microbial inhibiting amount of active bromine in said medium is up to about 100 ppm (wt/wt). 17. The improvement as in claim 15 wherein said effective microbial inhibiting amount of active bromine in said medium is in the range of about 20 to about 100 ppm (wt/wt). 18. The improvement as in claim 15 wherein the aqueous medium in said tank is at a temperature in the range of up to about 4.50째C. 19. The improvement as in claim 15 wherein said at least one 1,3-dibromo-5,5-dialkylhydantoin is 1,3-dibromo-5,5-dimethylhydantoin.
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