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Questions related from Rawan Alshahrani
if the LAB incubated anaerobically , why do we use catalase to inhibit H2O2 ? hydrogen peroxide produced when the oxygen is available so why do we need to inhibit it in the absence of oxygen ?
28 February 2023 1,483 1 View
Hello. We are working on LAB bacteriocins to detect the antimicrobial activities against pathogenic bacteria. We grew LAB on MRS broth and obtained CFS, it showed inhibition zone , but what is the...
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Hey, i'm working on LAB to make it in capsules.. how can i encapsulate the bacteria ? what are the protocols ?
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hey, i isolated from kefir drink .. after purification i tried to recognize the colonies under microscope but i found different colony ! any idea about it ?
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hello, i want to isolate lactobacillus from feta cheese, can someone recommend a certain method ? I already isolated but there was no growth at all !! - 1g of feta cheese was mixed by vortex with...
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Hello, i'm isolating lactobacillus from commercial dairy products on MRS agar, i used serial dilutions but not satisfied with the final results.. it seems that the colonies are small as you can...
23 May 2022 9,317 6 View
Hello, i want to isolate Lactobacillus from different food samples and measure their antimicrobial effects on pathogens .. the problem is that i can't find any MRS agar that is not expired ... can...
06 March 2022 7,579 4 View
Hello, i'm working on lactobacillus isolates from different dairy products and food samples , and focusing on the effects of bacteriocins against food-borne pathogens. How can i distinguish the...
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