Claims
- 1. An antimicrobial composition for use against a micro-organism selected from Listerla, Salmonella, Bacillus, Saccharomyces, Pseudomonas, Clostridium, Lactobacillus, Brochothrix, Micrococcus, Yersinig Enterobacter and Zygosaccharomyces, said composition comprising a cyclic compound having Formula I,
- 2. A process for preventing and/or inhibiting the growth of, and/or killing, micro-organisms in a material, the process comprising the step of contacting the material with the cyclic compound of claim 1 or a derivative thereof.
- 3. A method of using the compound of claim 1, or a derivative thereof.
- 4. The invention according to claim 1 wherein said material is a foodstuff or feed.
- 5. The invention of claim 1, wherein said cyclic compound is a compound having formula I, or a derivative thereof,
wherein R1 and R2 are independently selected from —OH, ═O; wherein R3 is a substituent comprising an —OH group; wherein R4 and R5 are each independently selected from a hydrocarbyl group, H, OH or ═O, or represent a bond with an adjacent atom on the ring of the cyclic compound.
- 6. The invention of claim 1 wherein the cyclic compound is a compound having Formula II
- 7. The invention of claim 1 wherein the cyclic compound is a compound having Formula III
- 8. The invention of claim 1 wherein the compound is selected from Ascopyrone P, Ascopyrone M, Ascopyrone T, Ascopyrone T1, Ascopyrone T2, Ascopyrone T3, and mixtures thereof.
- 9. The invention of claim 1 wherein said cyclic compound is of Formula IV,
- 10. The invention of claim 1 wherein said cyclic compound is of formula V,
- 11. The invention according to claim 1 wherein the derivative of the compound of formula I is an ester.
- 12. The invention according to claim 11 wherein the ester is formed from an —OH substituent on the cyclic compound, and wherein said ester is of the formula —(CH2)n—OC(O)—(CH2)pCH3, wherein n and p are each independently from 1 to 24.
- 13. The invention of claim 9 wherein said cyclic compound is selected from one or more of the following:
- 14. The invention of claim 1 wherein R3 is or comprises a CH2OH group.
- 15. The invention of claim 1 wherein the cyclic compound comprises a five or a six membered ring.
- 16. The invention according to claim 1 wherein the cyclic compound having formula I has an antimicrobial effect against a micro-organism selected from Listeria monocytogenes, Listeria innocua, Salmonella Typhimurium, Salmonella sp., Bacillus cereus, Bacillus subtilis, Saccharomyces cerevisiae, Saccharomyces cerevisiae var. paradoxes, Saccharomyces carlsbergensis, Pseudomonas fluorescens, Clostridium sporogenes, Lactobacillus sake, Brochothrzx thermosphacta, Micrococcus luteus, Yersinia enterocolitica, Enterobacter aerogenes and Zygosaccharomyces bailii.
- 17. The invention according to claim 1 wherein said compound of formula I is used in combination-with one or more of an antioxidant, a preservative and/or a chelator.
Priority Claims (3)
Number |
Date |
Country |
Kind |
02/26060 |
Apr 2002 |
WO |
|
0023687.7 |
Sep 2002 |
GB |
|
0023686.9 |
Sep 2002 |
GB |
|
REFERENCE TO RELATED APPLICATIONS/INCORPORATION BY REFERENCE
[0001] This application is a Continuation-in-Part of PCT/GB01/04328, filed on Sep. 27, 2001, designating the U.S., published on Apr. 4, 2002 as WO 02/26060 A1 and claiming priority from GB 0023687.7 filed on Sep. 27, 2000 and GB 0023686.9 filed on Sep. 27, 2000. All of the above-mentioned applications, as well as all documents cited herein and documents referenced or cited in documents cited herein, are hereby incorporated by reference.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
PCT/GB01/04328 |
Sep 2001 |
US |
Child |
10396003 |
Mar 2003 |
US |