New national conversion line for Bactoscan FC in Italy: A step forward

To improve the reproducibility of flow cytometry technique for total bacterial count in milk, a conversion from instrumental results (impulses/μL) to the reference method resultes (cfu/mL) is needed. In 2008 in Italy, a project for a common conversion line for Bactoscan FC was initiated.<br />...

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Main Authors: G. Bolzoni, A. Marcolini, G. Delle Donne, B. Appicciafuoco, A.M. Ferrini
Format: Article
Language:English
Published: Chiriotti Editori 2015-06-01
Series:Italian Journal of Food Science
Subjects:
Online Access:http://www.chiriottieditori.it/ojs/index.php/ijfs/article/view/186
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author G. Bolzoni
A. Marcolini
G. Delle Donne
B. Appicciafuoco
A.M. Ferrini
author_facet G. Bolzoni
A. Marcolini
G. Delle Donne
B. Appicciafuoco
A.M. Ferrini
author_sort G. Bolzoni
collection DOAJ
description To improve the reproducibility of flow cytometry technique for total bacterial count in milk, a conversion from instrumental results (impulses/μL) to the reference method resultes (cfu/mL) is needed. In 2008 in Italy, a project for a common conversion line for Bactoscan FC was initiated.<br />In this paper we report on the second phase of the project focusing on the statistical procedure used to evaluate the validity of the data. The new conversion line, representative of national milk<br />(2,732 valid samples from 29 labs) obtained from both rounds of the study is: Log10 (cfu mL-1) = Log10 (IBC μL-1) x 0.939 + 2.559, with S y:x= 0.282 with an application range up to 70,000 IBC μL-1.
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spelling doaj.art-0d4563b7d2334512843a7bc07469fcf12022-12-21T23:00:41ZengChiriotti EditoriItalian Journal of Food Science1120-17701120-17702015-06-0127219119710.14674/1120-1770/ijfs.v18628New national conversion line for Bactoscan FC in Italy: A step forwardG. Bolzoni0A. Marcolini1G. Delle Donne2B. Appicciafuoco3A.M. Ferrini4IZSLERIZSLER, BresciaIZSLER, BresciaIstituto Superiore di Sanità, RomaIstituto Superiore di Sanità, RomaTo improve the reproducibility of flow cytometry technique for total bacterial count in milk, a conversion from instrumental results (impulses/μL) to the reference method resultes (cfu/mL) is needed. In 2008 in Italy, a project for a common conversion line for Bactoscan FC was initiated.<br />In this paper we report on the second phase of the project focusing on the statistical procedure used to evaluate the validity of the data. The new conversion line, representative of national milk<br />(2,732 valid samples from 29 labs) obtained from both rounds of the study is: Log10 (cfu mL-1) = Log10 (IBC μL-1) x 0.939 + 2.559, with S y:x= 0.282 with an application range up to 70,000 IBC μL-1.http://www.chiriottieditori.it/ojs/index.php/ijfs/article/view/186Bactoscan FC, conversion line, cow milk, total bacterial count
spellingShingle G. Bolzoni
A. Marcolini
G. Delle Donne
B. Appicciafuoco
A.M. Ferrini
New national conversion line for Bactoscan FC in Italy: A step forward
Italian Journal of Food Science
Bactoscan FC, conversion line, cow milk, total bacterial count
title New national conversion line for Bactoscan FC in Italy: A step forward
title_full New national conversion line for Bactoscan FC in Italy: A step forward
title_fullStr New national conversion line for Bactoscan FC in Italy: A step forward
title_full_unstemmed New national conversion line for Bactoscan FC in Italy: A step forward
title_short New national conversion line for Bactoscan FC in Italy: A step forward
title_sort new national conversion line for bactoscan fc in italy a step forward
topic Bactoscan FC, conversion line, cow milk, total bacterial count
url http://www.chiriottieditori.it/ojs/index.php/ijfs/article/view/186
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AT amarcolini newnationalconversionlineforbactoscanfcinitalyastepforward
AT gdelledonne newnationalconversionlineforbactoscanfcinitalyastepforward
AT bappicciafuoco newnationalconversionlineforbactoscanfcinitalyastepforward
AT amferrini newnationalconversionlineforbactoscanfcinitalyastepforward