<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A coherent light scattering experiment on aqueous suspension of Saccharomyces cerevisia yeast with a concentration that covers five orders of magnitude was performed. The average scattered light far field was recorded using a CCD. A computer code for image processing was written for this purpose and used for providing the first order statistics of the far interference field. The variation of the average speckle size with the particle concentration was analyzed and a very fast procedure for monitoring the yeast concentration is suggested. The possibility of monitoring the fermentation process by a fast assessment of the yeast concentration is suggested, as well.</p></abstract>

A coherent light scattering experiment on aqueous suspension of Saccharomyces cerevisia yeast with a concentration that covers five orders of magnitude was performed. The average scattered light far field was recorded using a CCD. A computer code for image processing was written for this purpose and used for providing the first order statistics of the far interference field. The variation of the average speckle size with the particle concentration was analyzed and a very fast procedure for monitoring the yeast concentration is suggested. The possibility of monitoring the fermentation process by a fast assessment of the yeast concentration is suggested, as well.

Estimating Wine Yeast Concentration by Speckle Size Measurement

Department of Environmental Sciences, University Lucian Blaga, Dr. Ion Ratiu str., no 5-7, Sibiu, 550012, ROMANIA

Pediatric Respiratory Medicine Research Center (CCMRP), Str. Pompeiu Onofreiu Nr. 2 – 4 , Sibiu, ROMANIA

Faculty of Agricultural Sciences, Food Industry and Environmental Protection, University Lucian Blaga, Dr. Ion Ratiu str., no 7-9, Sibiu, 550012, ROMANIA

Acta Universitatis Cibiniensis. Series E: Food Technology

{"article-title":"Estimating Wine Yeast Concentration by Speckle Size Measurement"}

A coherent light scattering experiment on aqueous suspension of Saccharomyces cerevisia yeast with a concentration that covers five orders of magnitude was...

Estimating Wine Yeast Concentration by Speckle Size Measurement

Published Online: Jul 30, 2013

Page range: 3 - 12

DOI: https://doi.org/10.2478/aucft-2013-0001

This content is open access.