IUBio

B.cereus

lamb L.A.M.Buisman at cable.A2000.nl
Sun Mar 28 16:34:53 EST 1999



aboo9422 at my-dejanews.com wrote:

> I have a question about B.cereus.
>
> I have to count and identify colonies of B.cereus in egg-and-brandy liqueur
> (eggs, sugar and 14 - 20 % alcohol). The medium I use is according to Mossel.
> Now I have the following questions:
>
> 1. are the colonies of B.cereus only vegetative forms or also comming from
> spores.

Both

> 2. if so, how do I recognize vegetative forms and colonies comming from spores

Not possible

> 3. is it possible to find any vegetative forms of B.cereus in egg-and-brandy
> liqueur after the eggs had a warm treatment of 30 minutes at 50-60 degree
> Celsius.

That sounds like a good one, maybe temp should be higher?

> Thanks for your help.
>
> Clara
>
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