Antimould activity of sourdough lactic acid bacteria: identification of a mixture of organic acids produced by Lactobacillus sanfrancisco CB1.
Sourdough lactic acid bacteria, cultivated in wheat flour hydrolysate, produced antimould compounds. The antimould activity varied greatly among the strains and was mainly detected within obligately heterofermentative Lactobacillus spp. Among these, Lb. sanfrancisco CB1 had the largest spectrum. It inhibited moulds related to bread spoilage such as Fusarium, Penicillium, Aspergillus and Monilia. A mixture of acetic, caproic, formic, propionic, butyric and n-valeric acids, acting in a synergistic way, was responsible for the antimould activity. Caproic acid played a key role in inhibiting mould growth.
Institute of Dairy Microbiology, Agricultural Faculty of Perugia, Italy.
A
A
Corsetti
M
M
Gobbetti
J
J
Rossi
P
P
Damiani
D000935:Antifungal Agents / Q000378:metabolism* / Q000494:pharmacology*; D003470:Culture Media; D004357:Drug Synergism; D005232:Fatty Acids, Volatile / Q000378:metabolism* / Q000494:pharmacology*; D005433:Flour; D006863:Hydrogen-Ion Concentration; D007778:Lactobacillus / Q000254:growth & development / Q000378:metabolism*; D003904:Mitosporic Fungi / Q000187:drug effects / Q000254:growth & development*; D013696:Temperature; D013997:Time Factors; D014908:Triticum
D000935:Antifungal Agents; D003470:Culture Media; D005232:Fatty Acids, Volatile