Semicontinuous culture

A.Ferszt a.ferszt at nospam.ic.ac.uk
Fri Aug 21 16:14:49 EST 1998

Graham Shepherd wrote:
> yarlipo at my-dejanews.com wrote in message
> <6rdnto$bei$1 at nnrp1.dejanews.com>...
> >Does anyone know the name for the cultivation method during fermentation,
> >when you add nutrient medium, perform batch cultivation, then after the
> >cycle's over you take away part of the culture liquid with cells, add
> >nutrient medium and start a new cycle? I thought it would be fed-batch, but
> >some of my colleages say that fed-batch is when you constantly add the
> >nutrient medium.
> >
> >Thank you
> >
> >Tigran Arzumanov
> >
> >-----== Posted via Deja News, The Leader in Internet Discussion ==-----
> >http://www.dejanews.com/rg_mkgrp.xp   Create Your Own Free Member Forum
> Some people do call it fed batch. Others call it feed and draw. A rose by
> any other name would smell as sweet....
> GS

It is fed-batch. Continuous culture the way I learned it involves adding
fresh medium continuously while withdrawing culture (and cells)
continuously at the same rate.

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