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In recent years, synchronous with the development and diversification of bread production, have expanded various processing methods, as well as the co processes (additives). One of the traditional products that have been welcomed by consumers for many years in eastern Asia due to the simplicity of raw materials and ease of using is roti bread. Therefore, in the present study, has been investigated the use of baking methods, such as hot-electric plates and rotary oven and compare them with the traditional method and so on is evaluated using of guar, carboxymethyl cellulose (CMC) and Carrageenan hydrocolloids (each one 0.5%) in roti bread formulation in a completely randomized double factorial arrangement test (P≤0.05). The results of this study clearly showed that application of hot-electric plates for baking along with addition of both CMC and guar gum in the formulation, had effect on the moisture content and crust L* value and in this regard the effect of CMC gum was higher than guar gum. Also, based on the results, it was found that the sample produced by the hot-electric plates containing CMC gum had the least firmness of the texture during 2 and 72 hours after baking, as well as one week after baking (P≤0.05). Finally, tasting the samples, the panelists introduced the samples produced with hot-electric plates containing CMC gum and samples produced with hot-electric plates containing guar gum as the best samples.
 

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The aim of this study was to identify the lactic acid of the dominant bacteria in pickled garlic, using initial biochemical tests and PCR technique and to investigate their potential probiotic potential. For this purpose, to determine the probiotic potential of these isolates, some confirmatory tests including resistance to acid, resistance to simulated gastric conditions, resistance to bile salts, activity against pathogenic bacteria, susceptibility to some common antibiotics and hemolytic activity of isolates were performed. Based on BLAST results, five isolates of Lactobacillus plantarum, two isolates as Pediococcus ethanolidurans and one isolate as Lactobacillus brevis were identified. The lactic acid bacteria isolated in this study had the ability to survive at pH 2.5, grow in medium containing 0.3% bile salt, were sensitive to antibiotics and lacked hemolytic activity and therefore have probiotic properties. Supernatant of isolates of this study in high concentrations had the ability to inhibit growth of pathogenic bacteria and the lethal activity against them. Finally, the isolates of this study can be added to other products in the future as a strain with probiotic potential.