نتایج جستجو برای: lactic bacteria
تعداد نتایج: 221374 فیلتر نتایج به سال:
background probiotics have been used for dairy products such as yogurt and yogurt drinks, however cholesterol content and lactose intolerance are important drawbacks. recently, consumption of non-dairy probiotic food especially for probiotic drink products has been intensified. objectives this research was conducted to determine the suitability of peach as a raw material for producing probiotic...
Klewicka E., Klewicki R. (2009): In vitro fermentation of galactosyl derivatives of polyols by Lactobacillus strains. Czech J. Food Sci., 27: 65–70. Probiotic lactic acid bacteria belonging to the species Lactobacillus casei, Lb. paracasei, and Lb. acidophilus were cultivated in the presence of galactosyl derivatives of erythritol, xylitol, and sorbitol, as well as the polyols themselves: eryth...
Background: Phytic acid is phosphated compound that exists as potassium - magnesium salt in aleurone layer of cereals. Phytic acid has a strong ability to chelate many minerals, such as calcium, iron and zinc. It changes these essential minerals to insoluble complexes and inhibits minerals bioavailability. In this study, effect of several lactic acid bacteria (casei, fermentum, plantarum ...
71 samples of milk and dairy products were collected from 18 cities throughout Iran. 93 strains of lactic acid bacteria (LAB) were isolated and assayed against four opportunistic patho gens including E. coli, proteus and klebsiella as gram-negative and S. aureus as a gram-positive organism. All indicators (organisms) were hospital strains. Among isolated bacteria, lactobacilli (37 isolates)...
BACKGROUND Hydrogen peroxide (H2O2) produced by vaginal lactobacilli is generally believed to protect against bacteria associated with bacterial vaginosis (BV), and strains of lactobacilli that can produce H2O2 are being developed as vaginal probiotics. However, evidence that led to this belief was based in part on non-physiological conditions, antioxidant-free aerobic conditions selected to ma...
MIPs (major intrinsic proteins), also known as aquaporins, are membrane proteins that channel water and/or uncharged solutes across membranes in all kingdoms of life. Considering the enormous number of different bacteria on earth, functional information on bacterial MIPs is scarce. In the present study, six MIPs [glpF1 (glycerol facilitator 1)-glpF6] were identified in the genome of the Gram-po...
L(+)-LACTIC ACID is a commonly occurring organic acid. It is widely used in the food and food-related industries, and has the potential to be used for the production of biodegradable polymers, solvents and oxygenated chemicals. Lactic acid can be produced by both bacteria and fungi, however it is currently produced from sugar-containing materials by bacteria such as Lactobacillus and Lactococcu...
The aim of this study was to investigate the antibacterial effect of the crude starter "kpètè-kpètè" and lactic acid bacteria used during the production of "tchoukoutou." To achieve this, a total of 11 lactic acid bacteria and 40 starter samples were collected from four communes. The samples were tested on 29 gram + and - strains by disk diffusion method. The minimum inhibitory and bactericidal...
Genome analysis using next generation sequencing technologies has revolutionized the characterization of lactic acid bacteria and complete genomes of all major groups are now available. Comparative genomics has provided new insights into the natural and laboratory evolution of lactic acid bacteria and their environmental interactions. Moreover, functional genomics approaches have been used to u...
The proteolytic system of lactic acid bacteria is of eminent importance for the rapid growth of these organisms in protein-rich media. The combined action of proteinases and peptidases provides the cell with small peptides and essential amino acids. The amino acids and peptides thus liberated have to be translocated across the cytoplasmic membrane. To that purpose, the cell contains specific tr...
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