Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings

The effect of the interaction between potassium sorbate (KS), oil and Tween®20 on the growth and inhibition of Z bailii in model salad dressings was studied. Z. bailii grew in emulsions containing 110 and 230 g/kg of oil and the addition of 0.5 g/kg of KS inhibited growth. When the oil content was r...

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Guardado en:
Detalles Bibliográficos
Publicado: 2003
Materias:
Zygosaccharomyces
Zygosaccharomyces bailii
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01496085_v23_n1_p47_Castro
http://hdl.handle.net/20.500.12110/paper_01496085_v23_n1_p47_Castro
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01496085_v23_n1_p47_Castro
record_format dspace
spelling paper:paper_01496085_v23_n1_p47_Castro2023-06-08T15:13:14Z Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings Zygosaccharomyces Zygosaccharomyces bailii Zygosaccharomyces bailii The effect of the interaction between potassium sorbate (KS), oil and Tween®20 on the growth and inhibition of Z bailii in model salad dressings was studied. Z. bailii grew in emulsions containing 110 and 230 g/kg of oil and the addition of 0.5 g/kg of KS inhibited growth. When the oil content was raised to 460 g/kg, a steep death rate curve was observed and the effect of KS addition was hidden by the inhibitory action of the high oil level. Tween®20 action depended on oil level: for emulsions containing 110 or 230 g/kg, a depression in the activity of KS was observed. This behavior was attributed to the decrease in the free form of the preservative due to the partition between surfactant micelles and the water. In contrast, when the oil content was 460 g/kg, KS activity was enhanced in spite of the decrease in the amount of its free form. These results highlight the importance of considering ingredient interactions when evaluating shelf-life. 2003 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01496085_v23_n1_p47_Castro http://hdl.handle.net/20.500.12110/paper_01496085_v23_n1_p47_Castro
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Zygosaccharomyces
Zygosaccharomyces bailii
Zygosaccharomyces bailii
spellingShingle Zygosaccharomyces
Zygosaccharomyces bailii
Zygosaccharomyces bailii
Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
topic_facet Zygosaccharomyces
Zygosaccharomyces bailii
Zygosaccharomyces bailii
description The effect of the interaction between potassium sorbate (KS), oil and Tween®20 on the growth and inhibition of Z bailii in model salad dressings was studied. Z. bailii grew in emulsions containing 110 and 230 g/kg of oil and the addition of 0.5 g/kg of KS inhibited growth. When the oil content was raised to 460 g/kg, a steep death rate curve was observed and the effect of KS addition was hidden by the inhibitory action of the high oil level. Tween®20 action depended on oil level: for emulsions containing 110 or 230 g/kg, a depression in the activity of KS was observed. This behavior was attributed to the decrease in the free form of the preservative due to the partition between surfactant micelles and the water. In contrast, when the oil content was 460 g/kg, KS activity was enhanced in spite of the decrease in the amount of its free form. These results highlight the importance of considering ingredient interactions when evaluating shelf-life.
title Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
title_short Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
title_full Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
title_fullStr Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
title_full_unstemmed Interaction between potassium sorbate, oil and tween 20: Its effect on the growth and inhibition of Z bailii in model salad dressings
title_sort interaction between potassium sorbate, oil and tween 20: its effect on the growth and inhibition of z bailii in model salad dressings
publishDate 2003
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01496085_v23_n1_p47_Castro
http://hdl.handle.net/20.500.12110/paper_01496085_v23_n1_p47_Castro
_version_ 1768543939982262272

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