Additive the improvement and/or stabilization of the keeping quality of microbially perishable products

An additive for the improvement and/or stabilization of the keeping quality of microbially perishable products, containing

• (i) a mixture of
• a) polyphenol and
• b) benzyl alcohol and optionally other GRAS (generally recognized as safe) flavor alcohols;
• or
• (ii) a mixture of
• c) benzyl alcohol and
• d) at least one other GRAS flavor alcohol;
• the mixing ratio of components a) to b) or c) to d) being from 1:1 to 1:10,000 or from 10,000:1 to 1:1, wherein said GRAS flavor alcohols are selected from acetoin, ethanol, 1-propanol, 2-propanol, propylene glycol, glycerol, n-butyl alcohol, 2-methyl-1-propanol, hexanol, L-menthol, octyl alcohol, cinnamyl alcohol, 1-phenylethanol, heptanol, 1-pentanol, 3-methyl-1-butanol, 4-methoxybenzyl alcohol, citronellol, n-decanol, geraniol, 3-hexenol, dodecanol, linalool, nerolidol, nonadieneol, nonyl alcohol, rhodinol, terpineol, borneol, clineol, anisole, cuminyl alcohol, 10-undecene-1-ol and 1-hexadecanol.