Lactic acid bacteria are characterized as gram-positive, usually non-motile, non-sporulating bacteria that produce lactic acid as a major or sole product of their fermentative metabolism. In this study, the presence of lactobacilli were investigated in the intestines of beluga ( Huso huso) and Persian sturgeon ( Acipenser persicus ), inhabiting Caspian sea. The obtained data showed that various...

 Cypermethrin is a potential toxic pollutant that directly threatens the aquatic ecosystems and environment. Propolis, a natural product collected from plants by honey bees has many functions, such as antimicrobial, antioxidant, and anti-inflammatory. This study attempted to detrmine some biochemical and microbiological parameters of rainbow trout fillets after exposure to propolis and cypermet...

Most of the Gram-positive bacteria, including lactic acid bacteria, produce exopolysaccharides (EPS). EPS are either excreted into the growth medium (slime) or attached to the bacterial cell wall (capsules). They are long-chain, high molecular carbohydrate polymers. In dairy industry, EPS producing cultures provide the fermentation produced with viscosity, stability and water binding functions....

The chromosome structure of lactic acid bacteria has been investigated only recently. The development of pulsed-field gel electrophoresis (PFGE) combined with other DNA-based techniques enables whole-genome analysis of any bacterium, and has allowed rapid progress to be made in the knowledge of the lactic acid bacteria genome. Lactic acid bacteria possess one of the smallest eubacterial chromos...

Lactic acid bacteria, the object of current interest as bacteriocin producers, are microorganisms with complex requirements for peptidic sources, making them appropriate indicators for testing the suitability of formulations based on proteinaceous wastes for use as microbiological media. Different peptones obtained from visceral and fish muscle residues promoted growth of lactic acid bacteria w...

The number of death due to cancer has been increasing in Korea. Chemotherapy is known to cause side effects because it damages not only cancerous cells but healthy cells. Recently, attention has focused on food-derived chemopreventive and anti-tumor agents or formulations with fewer side effects. Kimchi, most popular and widely consumed in Korea, contains high levels of lactic acid bacteria and...

*Corresponding Author E-mail: [email protected] Tel.: +86-25-84392177, Bacterial aggregation and hydrophobicity of lactic acid bacteria strains isolated from Chinese traditional fermented food were performed in order to assess a correlation with their adhesion abilities by using intestinal Caco-2 cell line in vitro model. In this study, no correlation existed between hydrophobicity/autoaggregatio...

ABSTRACT: Nowadays, consumption of whole flours and flours with high extraction rate is recommended, because of their large amount of fiber, vitamins and minerals. Despite nutritional benefits of whole flours, concentration of some undesirable components such as phytic acid is higher than white flour. In this study, the effect of several sourdough lactic acid bacteria on toast bread was investi...

Lactic bacteria include Acidophilus, which exists from the upper part of the small intestine to the lower part of the small intestine and Bifidobacterium, which exists from the lower part of the small intestine to the large intestine. These microorganisms have the specific property of transforming sugars almost exclusively into lactic acid and acetic acid that decrease the pH (increasing the ac...

Six strains of lactic acid bacteria were isolated in Japan from a composting distilled shochu residue. The six isolates grew poorly on MRS agar and slowly in MRS broth. The 16S rRNA gene sequences did not show high levels of similarity to those of the recognized species of lactic acid bacteria, and formed a subcluster within the cluster comprising obligately heterofermentative lactic acid bacte...