Problems related with biological contamination of plant origin raw materials have a considerable effect on prevention systems at each stage of food production. Concerning the antimicrobial action of phenolic acids, studies were undertaken to investigate antibacterial properties against bacterial strains of (EC), (PF), (ML) and (PM), as well as antifungal properties targeting microscopic fungi spp., extracts of phenolic compounds coming from inoculated grain from various genotypes of cereals. This study evaluated the antimicrobial action of phenolic acids extracts obtained from both naturally infested and inoculated with microorganisms. For this purpose a total of 24 cereal cultivars were selected, including 9 winter and 15 spring cultivars. The analyses showed a bactericidal effect in the case of 4 extracts against (ML), 14 extracts against (PF), 17 extracts against (EC) as well as 16 extracts against (PM). It was found that 3 out of the 24 extracts showed no antibacterial activity. In turn, fungicidal action was observed in the case of 17 extracts against (FC) (NIV), 16 extracts against FC (3AcDON), 12 extracts against (FG) (3AcDON), while 12 other extracts showed antifungal action against FG (NIV) and 19 extracts against (FL). Based on the conducted analyses it was found that grain of small-grained cereals exposed to fungal infection is a source of bioactive compounds exhibiting antimicrobial properties. It was observed that the qualitative and quantitative profiles of polyphenols vary depending on the cereal cultivar. This extracts may be used to develop an antimicrobial preparation applicable in organic farming.
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| http://dx.doi.org/10.3390/molecules27051741 | DOI Listing |
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