When we plot glucose consumption, ethanol production or growth curve in a fermentation process, most of the time we can not get a smooth line connecting the data points. I found some articles e.g.:
1. Alfenore et al. (2002) Appl. Microbiol. Biotechnol. 60:67–72
2. da Cruz et al. (2003) J. Inst. Brew. 109(4): 349–355
These authors seems to use trend line on their graph, since I noticed that the line are not exactly connecting the data points.
Is there anyone know that we may do that? if the answer is yes , can anyone suggest what regression used for those curve and refer me to any reference that mentioned this?
Thank you in advance.
Let me tell you one thing. During ethanol fermentation, glucose consumption, ethanol production and growth curves need not to be smooth. But, it should follow its own fashion, like, glucose concentration decreases and ethanol & biomass concentration increases.
Thanks Selvaraju.. I am aware that we could not get a smooth graph. What I am asking here is: are we allowed to use a trend line graph to show the trend of the change??
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