FAQ

I heard that the indicator for water quality testing has changed from "coliform count" to "E. coli count." What's the difference?

Please provide the recommended culture temperature and time for each culture medium.

Can I use deionized water?

What kind of water should I use to prepare the culture medium?

Can high-polypeptone be used in food manufacturing? Are there any allergens?

Can our products be used for food applications?

What kind of culture medium is best to use for line testing of equipment?

Which culture medium is used for sterility testing according to the Japanese Pharmacopoeia?

Can I get a certificate of non-applicability?

Does yeast extract fall under the Cartagena Protocol?

Is the product TSE/BSE-free?

Is a 15-minute sterilization time sufficient when discarding culture media?

Please tell me how to dispose of powdered and granular culture media.

How should I dispose of liquid culture media?

How should used culture media (agar) be disposed of?

Is there a problem if the surface of the culture medium is wet?

Why do we invert the lid of the agar plate during cultivation?

Why is the culture medium dried before use?

I would like to increase the amount of sample applied to 1 mL. Is this possible?

The pH after preparation is slightly below the lower limit of the specification. Can it be used as is?

Is the pH listed on the COA (Certificate of Authenticity) before or after sterilization?

How can I measure the pH of an agar medium?

Is pH adjustment necessary before sterilization?

The pH after sterilization was outside the specified range. What could be the reason?

When is the best time to use the prepared culture medium?

Which culture media can be used for general bacterial count testing and preservative efficacy testing?

How long can agar plates be stored?

How long can the prepared peptone dilution be stored?

Due to a power outage, we can no longer refrigerate our products. Will this affect their quality?

Is there an instruction manual for SCDLP culture medium?

Does diluted LP solution have a bactericidal effect?

What is LP? What preservatives can it inactivate?

What are the uses of SCDLP medium?

White crystals have formed in the diluted LP solution.

Aspergillus colonies are not forming. Is this a problem with the culture medium?

There is some variation in the color of the culture medium after sterilization. Is this normal?

White floating particles appeared in the liquid culture medium. Is it still usable?

There are tiny white dots visible in the culture medium. Are these foreign objects?

I'm having trouble measuring the bacterial count (the turbidity of the sample is interfering).

Colonies other than mold are appearing on chloramphenicol-supplemented potato dextrose medium. What are they?

Will bacteria also grow on GPLP medium (for fungi)?

What kinds of bacteria grow on SCD medium?

Bacillus bacteria are growing on my fungal culture medium (Sabouraud GPLP). Is there any way to suppress this growth?

Can I use the manufacturer's performance report for commercially available culture media as a substitute for a culture media performance test?

The incubation period is stated as "3 to 5 days," but is it okay to make a judgment after 3 days?

The bacteria are not growing well in the culture medium performance test.

The culture medium is lighter in color than usual, and the bacterial reaction is weak. Is this a defective batch?

What is a culture medium performance test? Is it mandatory to perform one?

Does the product contain carcinogenic substances?

Does the product comply with the Fire Service Act?

Does the product comply with GHS classification?

Do all ingredients need to be listed in the "Composition and Ingredient Information" section of the SDS?

Where can I obtain an SDS?

Could you tell me the product's composition (formulation)?

Does the culture medium contain any metallic components (such as copper, iron, or zinc)?

Could you tell me the amino acid composition and component data?

Is the glucose used in the culture medium anhydrous or monohydrate?

Does the product contain any ingredients derived from pork?

What is the difference between "heating" and "heating"?

What kind of water should I use for preparing culture media?

Are SCD agar plates (for general bacteria) and Japanese Pharmacopoeia (JP) agar plates the same?

Is boiling absolutely necessary? Or is a water bath (bain-marie) acceptable?

Is it okay to autoclave culture media that has already been sterilized once?

Does high-polypeptone have an expiration date?

How long can opened culture media be used?

Will bacteria still grow in culture media that have passed their expiration date?

What is the shelf life of the culture medium after preparation?

What is the shelf life of powdered culture medium?

Do E. coli and Gram-negative bacteria grow in MSA?

What are the main uses of MSA?

What does it mean when the culture medium changes from red to yellow?

Why is it necessary to heat the MSA while shaking it?

Please tell me how to prepare mannitol salt agar (MSA).

What is the difference between deoxycholate medium and EZ2C medium?

Is Hypolypeptone inferior to other products (such as Bacto Peptone) in terms of bacterial growth?

Please explain the difference between N, S, and NS in high-polypeptone.

What is the successor product to "Polypeptone Granules"?

What is the difference between Powdered Yeast Extract SH and D-3H?

Why is it necessary to cool the product immediately after sterilization?

Why do we "heat while shaking"?

A power outage occurred during sterilization. Is it okay to sterilize again?

What does "sterilize in a verified cycle" mean?

Why are there certain culture media that should not be heated in an autoclave?

Why is there a difference in dextrose levels between liquid and agar media?

How should I prepare the bacterial suspension?

Does peptone salt buffer dissolve in ethanol?

Can callus culture be performed using only Murashige-Skoog medium salt mixture?

Are there any changes to the manufacturing process or the reagents used?