Abstract: The present invention discloses sequence information relating to pyranosone dehydratase. The invention further relates to the use of pyranosone dehydratase in the conversion of AF to APP and microthecin and the conversion of glucosone to cortalcerone.

Abstract: The present invention provides an anti-oxidant composition comprising a cyclic compound having formula I or a derivative thereof, wherein R1 and R2 are indepednetly selected from —OH, ?O, wherein R3 is a substituent comprising an —OH group; and wherein R4 and R5 are other than H; with the proviso that the compound is other than ascorbic acid.

Abstract: The present invention relates to a process for preparing ascopyrone P, or a derivative thereof, said process comprising the steps of:

Abstract: The present invention discloses sequence information relating to pyranosone dehydratase.

Abstract: A method of preparing the sugar 1,5-D-anhydrofructose is described. The method comprises treating an &agr;-1,4-glucan with an &agr;-1,4-glucan lyase wherein the enzyme is used in substantially pure form. In a preferred embodiment, if the glucan contains links other than and in addition to the &agr;-1,4-links, the &agr;-1,4-glucan lyase is used in conjunction with a suitable reagent that can break the other links.

Abstract: The present invention provides an antimicrobial composition for use against a micro-organism selected for Listeria, Salmonella, Bacillus, Saccharomyces, Pseudomonas, Clostridium, Lcatobacillus, Brochothrix, Micrococcus, Yersinia, Enterobacter and Zygosaccharomyces, said composition comprising a cyclic compound having Formula (I), or a derivative thereof, wherein R1 and R2 are independently selected from —OH, ═O, and OR′, wherein R′ is H or —COR″, and R″ is C1-10 alkyl; 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. The invention further relates to a process preventing and/or inhibiting the growth of, and/or killing, micro-organisms in a material, and the use of a cyclic compound having Formula (I).

Abstract: A method of preparing the sugar 1,5-D-anhydrofructose is described. The method comprises treating an &agr;-1,4-glucan with an &agr;-1,4-glucan lyase wherein the enzyme is used in substantially pure form. In a preferred embodiment, if the glucan contains links other than and in addition to the &agr;-1,4-links, the &agr;-1,4-glucan lyase is used in conjunction with a suitable reagent that can break the other links.

Abstract: The present invention provides use in medicine of a cyclic compound having Formula I, 1

Abstract: The present invention relates to the purification and characterisation of 1,5-anhydro-D-fructose dehydratase.

Abstract: The present invention relates to the purification and characterisation of ascopyrone P synthase.

Abstract: The present invention provides a composition comprising at least two different polymerisable monomers, (i) the first monomer unit is a polymerisable derivative of anhydrofructose; and (ii) the second monomer unit is other than a polymerisable derivative of anhydrofructose.

Abstract: A method of preparing 1,5-D-anhydrofructose in large quantities includes treating &agr;-1,4-glucan with a substantially pure &agr;-1,4-glucan lyase, which has been isolated from algae alone, wherein 1,5-D-anhydrofructose is produced directly from the &agr;-1,4-glucan.

Abstract: The present invention relates to the use of a cyclic ether as a medicament for affecting glucose tolerance disorder.

Abstract: A method of preparing the sugar 1,5-D-anhydrofructose is described. The method comprises treating an alpha -1,4-glucan with an alpha -1,4-glucan lyase wherein the enzyme is used in substantially pure form. In a preferred embodiment, if the glucan contains links other than and in addition to the alpha -1,4-links, the alpha -1,4-glucan lyase is used in conjunction with a suitable reagent that can break the other links.

Abstract: The present invention provides a derivatised anhydrofructose comprising a hydrophobic group linked (directly or indirectly) to a C of an anhydrofructose moiety.

Abstract: The present invention provides an anti-oxidant composition comprising a cyclic compound having formula I or a derivative thereof, wherein R1 and R2 are indepednetly selected from —OH, ═O, wherein R3 is a substituent comprising an —OH group; and wherein R4 and R5 are other than H; with the proviso that the compound is other than ascorbic acid.

Abstract: A method of preparing .alpha.-1,4-glucan lyase enzymes is described. The method comprises isolating the enzymes from a fungally infected algae. The amino acid sequences of the enzymes have been determined. The nucleic acid sequences coding for the enzymes have also been determined.

Abstract: A method of preparing .varies.-glucan lyase enzymes is described. The method comprises isolating the enzymes from a culture of fungus wherein the culture is substantially free of any other organisms. Also described are the amino acid sequences for the enzymes and their coding sequences.

Abstract: The invention relates to an enzyme, exo-.alpha.-1,4-glucan lyase, capable of successively cleaving the terminal .alpha.-1,4-D-glucosidic bonds from the non-reducing ends of an .alpha.-1,4-glucan. The enzyme is selected from the group consisting of .alpha.-1,4-glucan lyase isolated from an alga and functional derivatives and analogs derived from a nucleotide sequence related to an alga .alpha.-1,4-glucan lyase. Further, a method of enzymatically cleaving the terminal .alpha.-1,4-D-glucosidic bonds from the non-reducing ends of an .alpha.-1,4-glucan, and the degradation product 1,5-anhydrofructose for use as an oxygen radical scavenger or anti-oxidant and/or as a sugar substitute, are disclosed. Additionally, a method of producing an enzyme capable of successively cleaving the terminal .alpha.-1,4-glucosidic bonds from the non-reducing ends of an .alpha.