ANTIBOTULINAL PROPERTIES OF SELECTED AROMATIC AND ALIPHATIC-ALDEHYDES

Citation
Bl. Bowles et Aj. Miller, ANTIBOTULINAL PROPERTIES OF SELECTED AROMATIC AND ALIPHATIC-ALDEHYDES, Journal of food protection, 56(9), 1993, pp. 788-794
Citations number
31
Categorie Soggetti
Food Science & Tenology","Biothechnology & Applied Migrobiology
Journal title
ISSN journal
0362028X
Volume
56
Issue
9
Year of publication
1993
Pages
788 - 794
Database
ISI
SICI code
0362-028X(1993)56:9<788:APOSAA>2.0.ZU;2-7
Abstract
Aromatic and aliphatic aldehydes were tested for their effectiveness a gainst Clostridium botulinum spores and cells. Six-tenths millimolar b enzaldehyde, piperonal, phenylacetaldehyde, alpha-amylcinnamaldehyde, vanillin, or phenylglyoxal delayed germination in botulinal assay medi um (BAM) broth after 6 h exposure at 32-degrees-C. Sporicidal activity was observed with 1.25 mM vanillin, 39 mM isobutyraldehyde, 156 mM py ruvaldehyde or valeraldehyde, 625 mM benzaldehyde, and 2,500 mM alpha- amylcinnamaldehyde. Twenty-five millimolars of cinnamaldehyde, phenyla cetaldehyde, pyruvaldehyde, and vanillin were most active against vege tative cells at pH 7.0 in BAM broth, while 125 mM was required for ben zaldehyde, acetaldehyde, piperonal, or phenylglyoxal. Three millimolar s benzaldehyde, 5.0 mM phenylglyoxal, 150 mM cinnamaldehyde, 200 mM py ruvaldehyde and vanillin, and 300 mM piperonal inhibited 9 h dipicolin ic acid release in BAM broth at 32-degrees-C. Spore resistance to a 20 -min 80-degrees-C thermal treatment was reduced when challenged with p rior exposure to 100 mM cinnamaldehyde, piperonal, pyruvaldehyde, vani llin, or phenylglyoxal. Inhibition by cinnamaldehyde, piperonal, and p henylglyoxal was retained in commercial canned chicken and in beef bro ths. Five millimolars of benzaldehyde, cinnamaldehyde, piperonal, pyru valdehyde, or phenylglyoxal delayed neurotoxin production for 48 h at 32-degrees-C, while 25 mM was required for vanillin. These results ind icate that certain aldehydes inhibit C. botulinum, and aromaticity imp roves efficacy.