Enumeration of Escherichia coli (Total E. coli Count)_A Complete Procedure (ISO 9308-1 & ISO 16649)

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MicroChem's Experiments

MicroChem's Experiments

Күн бұрын

Пікірлер: 60
@lithupaul5316
@lithupaul5316 4 жыл бұрын
This video's really helpful for we microbiologist .. thank you
@MicroChemsExperiments
@MicroChemsExperiments 4 жыл бұрын
Lithu Paul. You are most welcome. It's our pleasure. Thanks for being with us.
@saniketbhosle3390
@saniketbhosle3390 2 ай бұрын
Can I use this method for milk products like Ice-creams?
@brianmarv
@brianmarv Жыл бұрын
Is this a Most Probable Number (MPN) method or Membrane Filtration Method (MFM)? Can it work for turbid water?
@hellynlight
@hellynlight Жыл бұрын
Pls what if I want to further get different strains of E. coli, how do I go about that
@JohnClintGodinez
@JohnClintGodinez 9 ай бұрын
how good morning, can you make a video for conventional test for product like Lotion, Sunscreen, or rexona, to dtermine if the product is good to use or not..
@MicroChemsExperiments
@MicroChemsExperiments 9 ай бұрын
Noted
@balajiraam6131
@balajiraam6131 Жыл бұрын
Hii mam i have a doubt mam why we mix peptone salt to salt mam??? What purrpose we do it mam please tell?
@MicroChemsExperiments
@MicroChemsExperiments Жыл бұрын
Peptone salt solution is ideal diluent for microbiological analysis as mention by ISO guidelines.
@JohnClintGodinez
@JohnClintGodinez 9 ай бұрын
hope you can give some sample video, on how to perform conventional test on essentials product like, lotion, sunscreen etc. to know if the is ok to use or not.. or their are bacterial growth on the product itself, thanks in advance ,& Godnless.. 😘
@MicroChemsExperiments
@MicroChemsExperiments 9 ай бұрын
Noted
@JohnClintGodinez
@JohnClintGodinez 9 ай бұрын
what are the common bacteria on essentials product mr/miss microchems??
@nurulashikin4633
@nurulashikin4633 2 жыл бұрын
Hi..thank you for this video..may i know if i can substitute the peptone and NaCl with bacteriological peptone?...and can we confirm the presence of e.coli by dropping kovacs reagent on violet colonies? can i know where can i get the documented ISO protocol for this video? or is this validated in house method?
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
You can use bacteriological peptone. Don't drop kovac's reagent directly. Do it as done in this video. You can purchase the protocol from ISO website
@nurulsuhana9974
@nurulsuhana9974 3 жыл бұрын
if i use samples from feces of goats, can I use the method same as the soil for the sample preparation part?
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
Yes. You can
@zarqaarshad411
@zarqaarshad411 2 жыл бұрын
I use macconkey agar in place of sorbitol macconkey agar
@JohnClintGodinez
@JohnClintGodinez 9 ай бұрын
conventional test for lotion, or sunscreen Product can you help me... thanks in advance..
@MicroChemsExperiments
@MicroChemsExperiments 9 ай бұрын
Noted
@almirahayunan6868
@almirahayunan6868 2 жыл бұрын
Our laboratory doesn't have stomacher machine, what should we use as a substitution? Is it okay to shake it by hand? Second question is that, how much water sample should we dilute?
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
You can shake with hand properly to make homogeneous mixture. Dilution 25ml of sample into 225ml diluent to make 10 times Dilution
@almirahayunan6868
@almirahayunan6868 2 жыл бұрын
Thanks for responding, i have one question, is there any agar substitute for chromocult agar?
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
@@almirahayunan6868 no
@almirahayunan6868
@almirahayunan6868 2 жыл бұрын
Okay, thank you so much. God Bless.
@amiyavb8275
@amiyavb8275 2 жыл бұрын
If we make dilution how will count the dilution factors ( DF)❔ and one more question is if we done 10 dilution how will the -1, -2 dilutions in trial 1 and 2 cca plates ?
@MicroChemsExperiments
@MicroChemsExperiments Жыл бұрын
You need to learn about serial dilutions and it's calculation
@lithupaul5316
@lithupaul5316 4 жыл бұрын
Could you please tell me which microbiological analysis method you are following...
@MicroChemsExperiments
@MicroChemsExperiments 4 жыл бұрын
Lithu Paul, Reference method is mentioned at the starting of the video. Method number is also mentioned in the Title and video description. Please check it out. Thanks.
@zarqaarshad411
@zarqaarshad411 2 жыл бұрын
Can I use mfc agr in place of chromocult agr if I use then which color gave E.coli colony
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
Yes you can use. Blue colonies on m-FC agar
@zarqaarshad411
@zarqaarshad411 2 жыл бұрын
But fecal coliform and E.coli both blue color on mfc agar then how to differentiate which is E.coli and fecal coliform
@SnoooooowMan
@SnoooooowMan 2 жыл бұрын
Can we substitute cca with tryptone bile agar?
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
You can
@Danurdn903
@Danurdn903 3 жыл бұрын
Can we substitute peptone and NaCl with Buffered Peptone Water?
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
Yes. You can
@Danurdn903
@Danurdn903 3 жыл бұрын
@@MicroChemsExperiments Thank you for the answer.
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
@@Danurdn903 you are welcome
@mohdsaleem3349
@mohdsaleem3349 2 жыл бұрын
Can you do videos of microbiological analysis as per USFDA BAM
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
kzbin.info/www/bejne/f523n397nM6pqtU
@Unknown-fw8yy
@Unknown-fw8yy 2 жыл бұрын
Hi, how can we use this method in water test for e coli? What should we do?
@Unknown-fw8yy
@Unknown-fw8yy 2 жыл бұрын
Is it right to mix the cooled dilute peptone salt solution in the water sample? If not, what should the right thing to do?
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
This method is also valid for water sample.
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
You can dilute water sample using peptone salt solution
@Unknown-fw8yy
@Unknown-fw8yy 2 жыл бұрын
Our laboratory doesn't have stomacher machine, what should we use as a substitution? Is it okay to shake it by hand?
@Unknown-fw8yy
@Unknown-fw8yy 2 жыл бұрын
Second question is that, how much water sample should we dilute?
@sunitakarki9694
@sunitakarki9694 3 жыл бұрын
Can we use this method to detect E. Coli content In meat or Meat product??
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
Yes. You can use this method for meat and meat product.
@BhavyaRecordsOfficial
@BhavyaRecordsOfficial 3 жыл бұрын
Where u do job?
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
@@BhavyaRecordsOfficial The question is not related to the video.
@zarqaarshad411
@zarqaarshad411 2 жыл бұрын
Kindly you tell me which exact color of E.coli appear on chromocult agr
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
It is already shown in this video. Dark purple to blue
@bhargovmudhukailya4727
@bhargovmudhukailya4727 3 жыл бұрын
Can i have any research paper following this procedure
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
Yes. You can use this method in your publications. Because this method is strictly followed by ISO method.
@bhargovmudhukailya4727
@bhargovmudhukailya4727 3 жыл бұрын
Thank you
@MicroChemsExperiments
@MicroChemsExperiments 3 жыл бұрын
You are most welcome
@zarqaarshad411
@zarqaarshad411 2 жыл бұрын
We can not incubate sample after adding it into peptone salt
@MicroChemsExperiments
@MicroChemsExperiments 2 жыл бұрын
Yes
@lithupaul5316
@lithupaul5316 4 жыл бұрын
Can you please do videos for enumeration and detection of salmonella spp, vibrios spp, staphylococcus spp, clostridium spp, listeria spp .. it will be helpful
@MicroChemsExperiments
@MicroChemsExperiments 4 жыл бұрын
Lithu Paul. We already started working on some of your mentioned bacteria for making videos. We will upload soon. Be with us.
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