It is an object of the present invention to provide a procedure for realizing inexpensive and simple production of 3-indole-pyruvic acid. A transformant is made using a polynucleotide having a specific nucleotide sequence encoding a protein having an oxidase activity and oxidase is generated by culturing the transformant in a medium to accumulate the oxidase in the medium and/or the transformant. Further tryptophan is converted into 3-indole-pyruvic acid in the presence of the transformant and/o...

Composition (I) comprises (a) 0.1-15 preferably 3-5 wt.% of an amino component comprising lysine-lysine lysine ornithine histidine arginine-arginine-arginine or lysine esters of aliphatic alcohols; and (b) at least one carbonyl component comprising dihydroxyacetone glutaraldehyde pyruvic acid glyoxylic acid methylglyoxal glyoxal 23-butanedione ethylene glycol epicatechin gallic acid benzaldehyde terephthaldialdehyde acetoin 3-ethyl-2-hydroxy-2-cyclopenten-1-one 25-hexanedione or dimedone. An ind...

The present invention is directed to the labeled compounds wherein C* is each either 13C and 12C where at least one C* is 13C each hydrogen of the methylene group is hydrogen or deuterium the methyl group includes either zero or three deuterium atoms Q is sulfide sulfinyl or sulfone Z is an aryl group such as 1-naphthyl substituted 1-naphthyl 2-naphthyl substituted 2-naphthyl or a phenyl group wherein R1 R2 R3 R4 and R5 are each independently either hydrogen a C1-C4 lower alkyl a halogen and an ...

The invention encompasses pet food compositions and methods for the treatment and/or prevention of diseases or disorders in companion animals for example for the treatment or obesity including administering a pet food composition including pyruvic acid or a salt thereof to a companion animal or lipoic acid or salt thereof and pyruvic acid or a salt thereof to a companion animal. The invention encompasses pet food compositions and methods for managing weight including administering a pet food com...

PROBLEM TO BE SOLVED: To provide a method for producing pyruvic acid or its ester from lactic acid or its ester under a mild condition by using an inexpensive catalyst. SOLUTION: There is provided the method for producing pyruvic acid or its ester from lactic acid or its ester by reacting lactic acid or its ester in a liquid phase in the presence of a catalyst containing at least vanadium element and an oxidizing agent. The oxidizing agent is preferably molecular oxygen or a peroxide. COPYRIGH...

The invention relates to a method for the production of pyruvic acid.