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Abstract

The invention pertains to the use of (i) one or more C₂-C₆ alpha-hydroxy acids, salts of these acids, esters of these acids and combinations thereof; and (ii) one or more compounds selected from—the group of amino acid derivatives consisting of γ-glutamyl amino acids, pyroglutamyl amino acids, glutamate-containing or proline-containing dipeptides, oxo-aminoacids, homo-amino acids, N-acetyl amino-acids and glycyl-glycine; -phenolic acid derivatives; -linear C₂-C₆ or cyclic C₆ sugar alcohols; -pyridinic acid derivatives; and -nucleobases and/or nucleotides chosen from uracil, adenine, adenosine 3′-monophosphate (3′-AMP) and adenosine 5′-monophosphate (AMP), as a growth-and production promoting ingredient, in culture media for culturing eukaryotic cells. The invention further pertains to culture media containing these components at levels of at least 0.001 mg/l.

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First Claim