Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content

Byssochlamys fulva and Neosartorya fischeri are heat-resistant fungi which are a concern to food industries (e.g. apple juice industry) since their growth represents significant economic liabilities. Although the most common method used to assess fungal growth in solid substrates is by measuring the...

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Principais autores:	Tremarin, Andréia, Longhi, Daniel Angelo, Salomão, Beatriz de Cassia Martins, Aragão, Gláucia Maria Falcão
Formato:	article
Idioma:	English
Publicado em:	Elsevier
Assuntos:	Food mycology Mathematical modeling Fungal growth Predictive microbiology
Endereço do item:	https://repositorio.ufrn.br/handle/123456789/32324
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spelling	ri-123456789-323242024-03-19T04:01:31Z Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content Tremarin, Andréia Longhi, Daniel Angelo Salomão, Beatriz de Cassia Martins Aragão, Gláucia Maria Falcão Food mycology Mathematical modeling Fungal growth Predictive microbiology Byssochlamys fulva and Neosartorya fischeri are heat-resistant fungi which are a concern to food industries (e.g. apple juice industry) since their growth represents significant economic liabilities. Although the most common method used to assess fungal growth in solid substrates is by measuring the colony's diameter, it is difficult to apply this method to food substrates. Alternatively, ergosterol contents have been used to quantify fungal contamination in some types of food. The current study aimed at modeling the growth of the heat-resistant fungi B. fulva and N. fischeri by measuring the colony diameter and ergosterol content, fitting the Baranyi and Roberts model to the results, and finally establishing a correlation between the parameters of the two analytical methods. Whereas the colony diameter was measured daily, the quantification of ergosterol was performed when the colonies reached diameters of 30, 60, 90, 120 and 150 mm. Results showed that B. fulva and N. fischeri were able to grow successfully on solidified apple juice at 10, 15, 20, 25 and 30 °C, and the Baranyi and Roberts model showed good ability to describe growth data. The correlation curves between the parameters of colony diameter and ergosterol content were obtained with satisfactory statistical indexes 2025 2021-04-26T19:14:42Z 2015-01-16 article Tremarin, Andréia ; LONGHI, DANIEL ANGELO ; SALOMÃO, BEATRIZ DE CASSIA MARTINS ; DE ARAGÃO, GLÁUCIA MARIA FALCÃO . Modeling growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content. International Journal of Food Microbiology, v. 193, p. 23-28, 2014. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0168160514005005?via%3Dihub. Acesso em: 26 abr. 2021. https://doi.org/10.1016/j.ijfoodmicro.2014.10.006 0168-1605 https://repositorio.ufrn.br/handle/123456789/32324 10.1016/j.ijfoodmicro.2014.10.006 en Elsevier
institution	Repositório Institucional
collection	RI - UFRN
language	English
topic	Food mycology Mathematical modeling Fungal growth Predictive microbiology
spellingShingle	Food mycology Mathematical modeling Fungal growth Predictive microbiology Tremarin, Andréia Longhi, Daniel Angelo Salomão, Beatriz de Cassia Martins Aragão, Gláucia Maria Falcão Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
description	Byssochlamys fulva and Neosartorya fischeri are heat-resistant fungi which are a concern to food industries (e.g. apple juice industry) since their growth represents significant economic liabilities. Although the most common method used to assess fungal growth in solid substrates is by measuring the colony's diameter, it is difficult to apply this method to food substrates. Alternatively, ergosterol contents have been used to quantify fungal contamination in some types of food. The current study aimed at modeling the growth of the heat-resistant fungi B. fulva and N. fischeri by measuring the colony diameter and ergosterol content, fitting the Baranyi and Roberts model to the results, and finally establishing a correlation between the parameters of the two analytical methods. Whereas the colony diameter was measured daily, the quantification of ergosterol was performed when the colonies reached diameters of 30, 60, 90, 120 and 150 mm. Results showed that B. fulva and N. fischeri were able to grow successfully on solidified apple juice at 10, 15, 20, 25 and 30 °C, and the Baranyi and Roberts model showed good ability to describe growth data. The correlation curves between the parameters of colony diameter and ergosterol content were obtained with satisfactory statistical indexes
format	article
author	Tremarin, Andréia Longhi, Daniel Angelo Salomão, Beatriz de Cassia Martins Aragão, Gláucia Maria Falcão
author_facet	Tremarin, Andréia Longhi, Daniel Angelo Salomão, Beatriz de Cassia Martins Aragão, Gláucia Maria Falcão
author_sort	Tremarin, Andréia
title	Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
title_short	Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
title_full	Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
title_fullStr	Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
title_full_unstemmed	Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
title_sort	modeling the growth of byssochlamys fulva and neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content
publisher	Elsevier
publishDate	2021
url	https://repositorio.ufrn.br/handle/123456789/32324
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Modeling the growth of Byssochlamys fulva and Neosartorya fischeri on solidified apple juice by measuring colony diameter and ergosterol content

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