Kinetics of growth and 3-methyl-1-butanol production by meat-borne, coagulase-negative staphylococci in view of sausage fermentation

Ravyts, Frédéric; Vrancken, Gino; Dhondt, Keila V.; Vasilopoulos, Charalampos; Vuyst, Luc De; Leroy, Frédéric

doi:10.1016/j.ijfoodmicro.2009.02.006

Cited by 31 publications

(20 citation statements)

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“…Except for arginine, CNS species are also associated with the conversion of branched‐chain amino acids (BCAAs), differing in intensity between strains and depending on the conditions (Ravyts et al . , ; Stavropoulou et al . ; Bertuzzi et al .…”

Section: Strengthsmentioning

confidence: 99%

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Nonconventional starter cultures of coagulase-negative staphylococci to produce animal-derived fermented foods, a SWOT analysis

2018

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Coagulase-negative staphylococci (CNS) are ubiquitous micro-organisms that are commonly present on animal skin and animal-derived foods. They are members of the beneficial microbial consortia of several fermented food products where they contribute to quality. Currently, only a few CNS species are included in commercial starter cultures, although many other ones with promising properties have been isolated from diverse food ecosystems. In the present study, a Strengths-Weaknesses-Opportunities-Threats (SWOT) analysis of the potential use of unconventional CNS starter cultures for the fermentation of animal-derived foods is carried out. An overview of both their desirable and worrisome metabolic traits is given. In general, the application of innovative CNS-based starter cultures offers opportunities to modulate flavour, improve the safety and health aspects and develop novel colour development strategies for clean label products. Yet, their implementation is often not straightforward as nontrivial obstacles or threats are encountered, which relate to technological, food safety and legal concerns. As most of the desirable and undesirable characteristics of CNS species are strain dependent, a case-by-case evaluation is needed when evaluating specific strains for their potential use as novel starter cultures.

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Section: Strengthsmentioning

confidence: 99%

“…It is key to point out that aroma generation can differ strongly among CNS species and strains (Ravyts et al . , ; Stavropoulou et al . ; Sánchez Mainar et al .…”

Section: Opportunitiesmentioning

confidence: 99%

Nonconventional starter cultures of coagulase-negative staphylococci to produce animal-derived fermented foods, a SWOT analysis

2018

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“…3-Methyl-1-butanol, 1-nonanol, and the aromatic alcohol 2-phenylethanol have previously all been found in the emissions of bacteria [34, 37–40, 42–44]. These compounds are also released by Pantoea strains isolated from the gut of Anopheles gambiae grown in saline media (0.7% NaCl in autoclaved water) [31].…”

Section: Discussionmentioning

confidence: 99%

Antifeedants Produced by Bacteria Associated with the Gut of the Pine Weevil Hylobius abietis

et al. 2017

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The pine weevil, Hylobius abietis, is a severe forest pest insect as it feeds on newly planted conifer seedlings. To identify and develop an antifeedant could be one step towards the protection of seedlings from feeding damage by the pine weevil. With the aim to trace the origin of the antifeedants previously found in feces of the pine weevil, we investigated the culturable bacteria associated with the gut and identified the volatiles they produced. Bacterial isolates were identified by 16S ribosomal RNA gene analysis. The volatile emissions of selected bacteria, cultivated on NB media or on the grated phloem of Scots pine twigs dispersed in water, were collected and analyzed by solid-phase microextraction gas chromatography-mass spectrometry. The bacterial isolates released a variety of compounds, among others 2-methoxyphenol, 2-phenylethanol, 3-methyl-1-butanol, 1-octen-3-ol, 3-octanone, dimethyl disulfide, and dimethyl trisulfide. A strong antifeedant effect was observed by 2-phenylethanol, which could thus be a good candidate for use to protect planted conifer seedlings against feeding damage caused by H. abietis.

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“…The concentrations of the volatile compounds were determined by static-headspace gas chromatography coupled to mass spectrometry (SH-GC-MS) (Ravyts et al, 2009). Samples were prepared in headspace vials containing 5 ml of the culture medium or of the different cell-free culture supernatants, 1 g of sodium chloride to enhance volatility (Kolb and Ettre, 2006), and a known amount of 4-methyl-2-pentanol (Fluka, Buchs, Switzerland) as internal standard.…”

Section: Analysesmentioning

confidence: 99%

“…The leucine-derived compounds 3-methyl butanoic acid, 3-methyl butanal, and 3-methyl butanol, for instance, are typical markers for the metabolic activity of CNS in fermented sausages (Berdague et al, 1993;Stahnke, 1995a) and correlate with sausage aroma (Stahnke, 1995b). Although several authors have looked into the conversion of amino acids into aroma compounds by CNS (Beck et al, 2004;Masson et al, 1999;Møller et al, 1998;Olesen and Stahnke, 2003;Tjener et al, 2004), a description of the heterogeneity on species level remains sketchy (Janssens et al, 2013;Larrouture et al, 2000;Ravyts et al, 2009Ravyts et al, , 2010Søndergaard and Stahnke, 2002).…”

Section: Introductionmentioning

confidence: 99%

Amino acid conversions by coagulase-negative staphylococci in a rich medium: Assessment of inter- and intraspecies heterogeneity

Stavropoulou

Borremans

Vuyst

et al. 2015

International Journal of Food Microbiology

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Kinetics of growth and 3-methyl-1-butanol production by meat-borne, coagulase-negative staphylococci in view of sausage fermentation

Cited by 31 publications

References 50 publications

Nonconventional starter cultures of coagulase-negative staphylococci to produce animal-derived fermented foods, a SWOT analysis

Nonconventional starter cultures of coagulase-negative staphylococci to produce animal-derived fermented foods, a SWOT analysis

Antifeedants Produced by Bacteria Associated with the Gut of the Pine Weevil Hylobius abietis

Amino acid conversions by coagulase-negative staphylococci in a rich medium: Assessment of inter- and intraspecies heterogeneity

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