Wang, Yanbo; Wang, Feifei; Bao, Xingyue; Feng, Jie; Fu, Linglin published the artcile< Inhibition of biogenic amines in Shewanella baltica by anthocyanins involving a quorum sensing system>, Product Details of C11H18N2O2, the main research area is anthocyanin antibacterial agent biogenic amine quorum sensing Shewanalla; Anthocyanins; Biogenic amines; Diketopiperazines; Quorum sensing inhibitor.
Quorum sensing (QS) is a cell d.-dependent signaling system responsible for various physiol. activities in bacteria. We initially investigated the relation between a QS system and biogenic amine (BA) production in Shewanella baltica, the specific spoilage organism of refrigerated large yellow croaker (Pseudosciaene crocea). In addition, the inhibition effects of anthocyanins from blueberry and purple sweet potato against QS signals and putrescine production were explored. Two kinds of diketopiperazines, cyclo-(l-Pro-l-Leu) and cyclo-(l-Pro-l-Pro), and two kinds of BAs, putrescine and cadaverine, were detected in the culture extract of S. baltica cultivated in sterile large yellow croaker juice, wherein putrescine presented significantly pos. correlations with cyclo-(l-Pro-l-Leu) and cyclo-(l-Pro-l-Pro). In addition, anthocyanins at subminimum inhibitory concentration inhibited the production of diketopiperazines and putrescine in S. baltica 23, a strain with strong putrescine production Furthermore, a transcriptional anal. showed that anthocyanins suppressed the expression of the odc gene in S. baltica, the gene responsible for the production of putrescine from decarboxylation of ornithine. These results established a correlation of the main BA putrescine with the QS system in S. baltica and revealed that anthocyanins could be developed as new QS inhibitors and seafood preservative candidates.
Journal of Food Protection published new progress about Anthocyanins Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 2873-36-1 belongs to class pyrazines, and the molecular formula is C11H18N2O2, Product Details of C11H18N2O2.