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Virgibacillus sp. SK37 and Staphylococcus nepalensis JS11 as potential starters to improve taste of shrimp paste

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TLDR
In this article, the authors investigated the effects of halophilic bacteria, including Virgibacillus sp. ZV10-1 and Staphylococcus nepalensis JS11, on physicochemical, sensory, and taste properties of rapidly-fermented shrimp paste.
Abstract
The objective of this study was to investigate the effects of halophilic bacteria, including Virgibacillus sp. ZV10-1, Virgibacillus sp. SK37, and Staphylococcus nepalensis JS11 as starters on physicochemical, sensory, and taste properties of rapidly-fermented shrimp paste. Halophilic bacteria reduced moisture and total volatile basic nitrogen content and increased the pH and amino acid nitrogen content of shrimp pastes. Higher levels of total organic acids (484.47 ± 10.40 mg/100 g) were detected in sample inoculated with S. nepalensis JS11. Assessment of sensory parameters indicated that the three-bacteria compound inoculation group improved taste of shrimp paste effectively and contained the highest level of free amino acids (8930.25 ± 3.51 mg/100 g) and equivalent umami concentration (EUC) (960.32 g MSG/100 g). Furthermore, partial least squares regression analysis demonstrated that rapidly-fermented shrimp pastes were associated with sweetness, umami, color, texture, and overall liking attributes, which were related to the presence of tartaric acid, malic acid, GMP, Glu, Asp, Arg and Thr. Thus, this study highlights the potential of Virgibacillus sp. SK37 and S. nepalensis JS11 for the production of rapidly-fermented shrimp paste with improved taste profiles.

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Characterization of aroma profiles and aroma-active compounds in high-salt and low-salt shrimp paste by molecular sensory science

TL;DR: In this article , the authors compared the flavor characteristics of raw shrimp, high-salt and low salt shrimp paste by sensory analysis, headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and solid-phase microextraction-gaseptic gas chromatography mass spectrometer (SPMEGC-MS).
Journal ArticleDOI

Characterization of aroma profiles and aroma-active compounds in high-salt and low-salt shrimp paste by molecular sensory science

TL;DR: In this paper, the authors evaluated the taste characteristics of raw shrimp, high-salt and low-salts shrimp paste and compared them by sensory analysis, headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) and solid phase microextraction gas chromatography mass spectrometer (SPMEGC-MS).
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Fermented shellfish condiments: A comprehensive review.

TL;DR: The main reactions that occur during fermentation of shellfish include proteolytic enzymes and microorganisms (predominantly bacteria) are found to be largely responsible for the formation of taste and aroma compounds as mentioned in this paper .
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New insights from flavoromics on different heating methods of traditional fermented shrimp paste: The volatile components and metabolic pathways

TL;DR: In this paper , the effect of four heating methods (steaming, frying, microwaving, and infrared) on volatile components of shrimp paste were compared by headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS), gas chromatography and ion mobility spectrometer (GC-IMS) and chemometrics.
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Bacillales: From Taxonomy to Biotechnological and Industrial Perspectives

TL;DR: The taxonomy, growth requirements and physiology, genomics, and metabolic pathways in the highly diverse bacterial order, Bacillales, will facilitate a more robust designing and sustainable production of strain lines relevant to a circular economy as mentioned in this paper .
References
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From the Titanic and other shipwrecks to biofilm prevention: The interesting role of polyphenol-protein complexes in biofilm inhibition

TL;DR: The present review is based on different nautical archaeology research data, and asks a simple but as yet unanswered question: What is the chemistry that prevents leather biodegradation by environmental bacteria and/or formation of biofilms?
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Microbial diversity during processing of Thai traditional fermented shrimp paste, determined by next generation sequencing

TL;DR: In this article, the microbial diversity structure dramatically changed from the raw materials since the first step of processing and its contribution to the flavor of shrimp paste was investigated by next generation sequencing.
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Improvement of fish sauce quality by combined inoculation of Tetragenococcus halophilus MS33 and Virgibacillus sp. SK37

TL;DR: Investigation of fermentation of fish sauce inoculated single and combined starter cultures revealed that the sequential inoculation of Virgibacillus sp.
Journal ArticleDOI

Comparison of quality characteristics between belacan from Brunei Darussalam and Korean shrimp paste

TL;DR: Lee et al. as discussed by the authors compared the quality characteristics between shrimp pastes from Korea and Belacan, a fermented shrimp paste from Brunei, and found that the moisture and salinity content were highest in Belacan.
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