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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1177/1082013219881512
|2 doi
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|a pubmed25n1006.xml
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|a (NLM)31604385
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Cuffia, Facundo
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Evaluation of autochthonous cultures to improve the cheese flavor
|b A case study in hard cheese model
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|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 02.11.2020
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The characterization of autochthonous cultures based on their contribution to cheese flavor is an additional selection criterion for their use in cheese making. The objective of the present work was to assess the ability of three strains of mesophilic lactobacilli: Lactobacillus casei 72 (Lc72), L. paracasei 90 (Lp90), and L. plantarum 91 (Lp91), one strain of thermophilic lactobacillus: L. helveticus 209 (Lh209), and the thermophilic-mesophilic combinations, to grow and produce aroma compounds in a hard cheese model. Microbiological counts, pH, and the profiles of carbohydrates, organic acids, and volatile compounds were analyzed during incubation for 14 days at 37 ℃. The population of mesophilic lactobacilli reached levels around 8.0 log CFU ml-1 at three days, but then decreased until ∼7.0 log CFU ml-1 toward 14 days. Thermophilic lactobacillus population reached and maintained levels around 7.7 log CFU ml-1 during incubation. Carbohydrates were absent in the hard cheese model, and so no change in the pH values and in the levels of lactic acid was detected. Mesophilic lactobacilli, inoculated individually or in association with Lh209, metabolized the citric acid and produced ethanoic acid. The profiles of volatile compounds of mesophilic lactobacilli (characterized mainly by butan-2-one, 3-hydroxybutan-2-one, 3-methylbutan-1-ol, hexan-1-ol, 2-phenylethanol, and ethanoic acid) were different from the profile of thermophilic lactobacillus Lh209 (characterized mainly by heptan-2-one, ethyl acetate, isoamyl hexanoate, pentan-1-ol, decanoic acid, and 2- and 3-methylbutanal). Cooperative effects in the production of compounds related to cheese flavor, such as 3-hydroxybutan-2-one, ethyl butanoate, ethanol, pentan-2-ol, hexan-1-ol, benzeneacetaldehyde, 2-phenylethanol, and heptanoic acid, were largely evidenced between Lh209 and Lp91; in a lesser extent, cooperative effects were also found for Lh209+Lp90 for the following compounds: 3-hydroxybutan-2-one, isoamyl acetate, and ethanoic acid. Of the mesophilic lactobacilli strains evaluated, Lp91 and Lp90 would be interesting candidates for its use as adjunct cultures in hard cheeses to improve and diversify the flavor
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|a Journal Article
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|a Autochthonous cultures
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|a hard cheese model
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|a thermophilic and mesophilic lactobacilli
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| 650 |
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4 |
|a volatile compounds profile
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| 650 |
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7 |
|a Volatile Organic Compounds
|2 NLM
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| 700 |
1 |
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|a Bergamini, Carina V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hynes, Érica R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wolf, Irma V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Perotti, María C
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Food science and technology international = Ciencia y tecnologia de los alimentos internacional
|d 1998
|g 26(2020), 2 vom: 07. März, Seite 173-184
|w (DE-627)NLM098247832
|x 1532-1738
|7 nnas
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| 773 |
1 |
8 |
|g volume:26
|g year:2020
|g number:2
|g day:07
|g month:03
|g pages:173-184
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| 856 |
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|u http://dx.doi.org/10.1177/1082013219881512
|3 Volltext
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