1
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Song X, Liao D, Zhou Y, Huang Q, Lei S, Li X. Correlation between physicochemical properties, flavor characteristics and microbial community structure in Dushan shrimp sour paste. Food Chem X 2024; 23:101543. [PMID: 39022783 PMCID: PMC11252767 DOI: 10.1016/j.fochx.2024.101543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/28/2024] [Accepted: 06/07/2024] [Indexed: 07/20/2024] Open
Abstract
Dushan shrimp sour paste (DSSP), a traditional Guizhou condiment, and its unique flavor is determined by the fermentation microbiota. However, the relationship between the microbiota structure and its flavor remains unclear. This study identified 116 volatile flavor compounds using electronic nose and headspace solid-phase microextraction-gas chromatography mass spectrometry (HS-SPME-GC-MS) techniques, of which 19 were considered as key flavor compounds, mainly consisting of 13 esters and 1 alcohol. High-throughput sequencing technique, the bacterial community structure of nine groups of DSSPs was determined. Further analysis revealed Vagococcus, Lactococcus, and Tepidimicrobium as key bacteria involved in flavor formation. This study contributes to our understanding of the relationship between bacterial communities and the flavor formation, and provides guidance for screening starter culture that enhance the flavor of DSSP in industrial production.
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Affiliation(s)
- Xiaojuan Song
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
| | - Dan Liao
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
| | - Yan Zhou
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
| | - Qun Huang
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
| | - Shicheng Lei
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
| | - Xiefei Li
- School of Public Health, Guizhou Province Engineering Research Center of Health Food Innovative Manufacturing, Guizhou Medical University, Guiyang 550025, China
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2
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Li X, Zhang Y, Ma X, Zhang G, Hou H. Effects of a Novel Starter Culture on Quality Improvement and Putrescine, Cadaverine, and Histamine Inhibition of Fermented Shrimp Paste. Foods 2023; 12:2833. [PMID: 37569102 PMCID: PMC10416889 DOI: 10.3390/foods12152833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/06/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
Fermented shrimp paste is a popular food in Asian countries. However, biogenic amines (BAs) are a typically associated hazard commonly found during the fermentation of shrimp paste and pose a food-safety danger. In this work, an autochthonic salt-tolerant Tetragenococcus muriaticus TS (T. muriaticus TS) strain was used as a starter culture for grasshopper sub shrimp paste fermentation. It was found that with the starter culture, putrescine, cadaverine, and histamine concentrations were significantly lower (p < 0.05) with a maximal reduction of 19.20%, 14.01%, and 28.62%, respectively. According to high-throughput sequencing data, T. muriaticus TS could change the interactions between species and reduce the abundance of bacterial genera positively associated with BAs, therefore inhibiting the BA accumulation during shrimp paste fermentation. Moreover, the volatile compounds during the fermentation process were also assessed by HS-SPME-GC-MS. With the starter added, the content of pyrazines increased, while the off-odor amines decreased. The odor of the shrimp paste was successfully improved. These results indicate that T. muriaticus TS can be used as an appropriate starter culture for improving the safety and quality of grasshopper sub shrimp paste.
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Affiliation(s)
- Xinyu Li
- School of Food Science and Technology, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China; (X.L.); (Y.Z.); (X.M.); (G.Z.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China
| | - Yang Zhang
- School of Food Science and Technology, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China; (X.L.); (Y.Z.); (X.M.); (G.Z.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China
| | - Xinxiu Ma
- School of Food Science and Technology, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China; (X.L.); (Y.Z.); (X.M.); (G.Z.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China
| | - Gongliang Zhang
- School of Food Science and Technology, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China; (X.L.); (Y.Z.); (X.M.); (G.Z.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China
| | - Hongman Hou
- School of Food Science and Technology, Dalian Polytechnic University, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China; (X.L.); (Y.Z.); (X.M.); (G.Z.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, No. 1 Qinggongyuan, Ganjingzi District, Dalian 116034, China
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3
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Shi B, Kim S, Moon B. Evaluation of the biogenic amines in low-salt shrimp paste cooked under various conditions. Food Sci Biotechnol 2023; 32:1049-1056. [PMID: 37215255 PMCID: PMC10195943 DOI: 10.1007/s10068-023-01246-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/21/2022] [Accepted: 01/02/2023] [Indexed: 01/22/2023] Open
Abstract
Shrimp paste, a type of traditional Chinese food prepared from shrimp fermented with salt, contains biogenic amines (BAs). In this study, the BA content, salinity, and pH of eight commercial low-salt shrimp pastes were analyzed. In addition, the influences of various cooking conditions on the BA content of it were evaluated by HPLC. The total BA amount per product ranged between 32.39 and 1051.16 mg/kg. The salinity and pH were found significantly inversely correlated with the total BA amount. Of the cooking methods tested, after microwave heating and stir-frying, the total BA amount of shrimp paste, which showed the highest BA amount among 8 samples, declined from 1051.16 to 598.48 and 650.49 mg/kg, respectively; however, boiling or steaming showed no significant effects on the total BA amount. These results indicated possible health risk of low-salt shrimp paste whereas the risk could be reduced by choosing appropriate cooking method.
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Affiliation(s)
- BaoZhu Shi
- Department of Food and Nutrition, Chung-Ang University, 72-1, Nae-ri, Daedeok-myeon, Anseong-si, Gyeonggi 17546 Republic of Korea
| | - Siwoo Kim
- Department of Food and Nutrition, Chung-Ang University, 72-1, Nae-ri, Daedeok-myeon, Anseong-si, Gyeonggi 17546 Republic of Korea
| | - BoKyung Moon
- Department of Food and Nutrition, Chung-Ang University, 72-1, Nae-ri, Daedeok-myeon, Anseong-si, Gyeonggi 17546 Republic of Korea
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4
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Zhou T, Ma Y, Jiang W, Fu B, Xu X. Selection of a Fermentation Strategy for the Preparation of Clam Sauce with Acceptable Flavor Perception. Foods 2023; 12:foods12101983. [PMID: 37238802 DOI: 10.3390/foods12101983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/09/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Flavor, which mainly depends on volatile compounds, is an important index for evaluating the quality of clam sauce. This study investigated the volatile compounds in clam sauce prepared using four different methods and the influence of aroma characteristics. Fermenting a mixture of soybean koji and clam meat improved the flavor of the final product. Solid-phase microextraction (SPME) combined with gas chromatography-mass spectrometry (GC-MS) identified 64 volatile compounds. Nine key flavor compounds, namely, 3-methylthio-1-propanol, 2-methoxy-4-vinylphenol, phenylethyl alcohol, 1-octen-3-ol, α-methylene phenylacetaldehyde, phenyl-oxirane, 3-phenylfuran, phenylacetaldehyde, and 3-octenone, were selected using variable importance in projection (VIP). The results of the electronic nose and tongue detection of the aroma characteristics of the samples prepared by four different fermentation methods were consistent with those of GC-MS analysis. The clam sauce prepared by mixing soybean koji with fresh clam meat possessed better flavor and quality than that prepared via other methods.
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Affiliation(s)
- Tao Zhou
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Yunjiao Ma
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Wei Jiang
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Baoshang Fu
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Xianbing Xu
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
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5
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Zhong Z, Wang Z, Zhang Y, Zheng B, Zeng H. Correlation Study between Quality and Sensory Characteristics of Kelp Paste by Aspergillus oryzae and Aspergillus niger during Fermentation. Foods 2023; 12:foods12091815. [PMID: 37174352 PMCID: PMC10177934 DOI: 10.3390/foods12091815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/05/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
In order to clarify the relationship between quality and sensory characteristics of kelp paste during fermentation, this study analyzed the quality and sensory characteristics of kelp paste through physicochemical indexes, nutritional components, electronic nose and electronic tongue. The results showed that with the extension of fermentation time, the contents of amino nitrogen, total acid, ammonium salt and ash increased gradually, while the pH value, moisture, fat, protein and carbohydrate decreased gradually. Short-chain alkanes such as nitrogen oxides and methane were the main causes of odor. Freshness, salinity and richness were the main indexes of kelp paste taste. Many quality indexes, such as amino nitrogen and protein, were significantly related to the odor sensor, which can better reflect the odor produced in the fermentation process of kelp paste. There was a significant correlation between quality indicators and important taste indicators such as umami, richness and salty taste, which can better reflect the taste of kelp paste during fermentation. To sum up, there was a significant correlation between the quality characteristics and sensory quality of kelp paste, so the relationship between quality characteristics and sensory characteristics in kelp paste can be clarified.
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Affiliation(s)
- Zhihong Zhong
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zhiyun Wang
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi Zhang
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Baodong Zheng
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hongliang Zeng
- Engineering Research Center of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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6
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Li Y, Leng W, Xue J, Yuan L, Liu H, Gao R. A multi-omics-based investigation into the flavor formation mechanisms during the fermentation of traditional Chinese shrimp paste. Food Res Int 2023; 166:112585. [PMID: 36914317 DOI: 10.1016/j.foodres.2023.112585] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 02/03/2023] [Accepted: 02/05/2023] [Indexed: 02/11/2023]
Abstract
The fermentation process of traditional shrimp paste is closely associated with the production of flavor substances, but the formation mechanism of key aroma components is still unclear. In this study, a comprehensively flavor profile analysis of traditional fermented shrimp paste was carried out by E-nose and SPME-GC-MS. A total of 17 key volatile aroma components with OAV > 1 contributed greatly to the overall flavor formation of shrimp paste. In addition, high-throughput sequencing (HTS) analysis revealed that Tetragenococcus was the dominant genera in the whole fermentation process. Moreover, metabolomics analysis showed that the oxidation and degradation of lipids, protein, organic acids and amino acids produced a large number of flavor substances and intermediates, which laid the foundation for the Maillard reaction in term of generating the distinct aroma of the traditional shrimp paste. This work will provide theoretical support for the realization of flavor regulation and quality control in traditional fermented foods.
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Affiliation(s)
- Ying Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Weijun Leng
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiani Xue
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Li Yuan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hongying Liu
- Ocean College, Hebei Agriculture University, Qinhuangdao 066000, China
| | - Ruichang Gao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
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7
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Bacillus subtilis K-C3 as Potential Starter to Improve Nutritional Components and Quality of Shrimp Paste and Corresponding Changes during Storage at Two Alternative Temperatures. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9020107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
This study aimed to evaluate Bacillus subtilis K-C3 as a potential starter to improve shrimp paste quality, particularly in terms of nutritional profiles. The quality/characteristic changes of shrimp paste with and without inoculation during storage for 18 months when stored at low (4 °C) and room (28 °C) temperature were also investigated. The results found that this B. strain increased essential amino acids (EAAs) and polyunsaturated fatty acids (PUFAs), as well as antioxidant properties including 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2-azino-bis (3-ethylbenzthiazoline-6-sulphonic acid) (ABTS) radical scavenging activities, ferric reducing antioxidant power (FRAP) and metal chelating activity in the experimental shrimp paste compared to traditional shrimp paste (p < 0.05). The faster development of some characteristics of inoculated samples were also noted, as indicated by the higher total viable count (TVC), formal and amino nitrogen content, pH, and browning index, as well as biogenic amines, indicating different quality which may be further responsible for different product acceptability. The changes in quality/characteristics of shrimp paste were observed throughout the 18 months of storage. Shrimp paste stored at room temperature accelerated those changes faster than samples stored at low temperature (p < 0.05); however, the quality of them still meets the product’s standard even storage for 18 months. Meanwhile, shrimp paste stored at a low temperature had an amount of yeast and mold over the limitation (>3.00 log CFU/g), indicating food spoilage. Thus, storage at room temperature can extend this product’s shelf-life better than storage at low temperature. Overall, inoculation with B. subtilis K-C3, in conjunction with storage at room temperature, resulted in quality improvement and maintenance in shrimp paste, particularly in the aspects of nutritional profiles and safety concern, as the shrimp paste should have a shelf-life of at least 18 months.
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8
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Correlation between dominant bacterial community and non-volatile organic compounds during the fermentation of shrimp sauces. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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9
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Gao X, Li C, He R, Zhang Y, Wang B, Zhang ZH, Ho CT. Research advances on biogenic amines in traditional fermented foods: Emphasis on formation mechanism, detection and control methods. Food Chem 2022. [DOI: 10.1016/j.foodchem.2022.134911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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10
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Lu Y, Teo JN, Liu SQ. Fermented shellfish condiments: A comprehensive review. Compr Rev Food Sci Food Saf 2022; 21:4447-4477. [PMID: 36038528 DOI: 10.1111/1541-4337.13024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/07/2022] [Accepted: 07/25/2022] [Indexed: 01/28/2023]
Abstract
Fermented shellfish condiments are globally consumed especially among Asian countries. Condiments, commonly used as flavor enhancers, have unique sensory characteristics and are associated with umami and meaty aroma. The main reactions that occur during fermentation of shellfish include proteolysis by endogenous enzymes and microbial activities to produce peptides and amino acids. The actions of proteolytic enzymes and microorganisms (predominantly bacteria) are found to be largely responsible for the formation of taste and aroma compounds. This review elaborates different aspects of shellfish fermentation including classification, process, substrates, microbiota, changes in both physicochemical and biochemical components, alterations in nutritional composition, flavor characteristics and sensory profiles, and biological activities and their undesirable impacts on health. The characteristics of traditional shellfish production such as long duration and high salt concentration not only limit nutritional value but also inhibit the formation of toxic biogenic amines. In addition, this review article also covers novel bioprocesses such as low salt fermentation and use of novel starter cultures and/or novel enzymes to accelerate fermentation and produce shellfish condiments that are of better quality and safer for consumption. Practical Application: The review paper summarized the comprehensive information on shellfish fermentation to provide alternative strategies to produce shellfish comdiments that are of better quality and safer for consumption.
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Affiliation(s)
- Yuyun Lu
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore
| | - Jun Ning Teo
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore
| | - Shao Quan Liu
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore.,National University of Singapore (Suzhou) Research Institute, Suzhou, China
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11
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Nie S, Li L, Wu Y, Xiang H, Li C, Chen S, Zhao Y, Cen J, Yang S, Wang Y. Exploring the roles of microorganisms and metabolites in the fermentation of sea bass (Lateolabrax japonicas) based on high-throughput sequencing and untargeted metabolomics. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Comparative Analysis of Flavor, Taste, and Volatile Organic Compounds in Opossum Shrimp Paste during Long-Term Natural Fermentation Using E-Nose, E-Tongue, and HS-SPME-GC-MS. Foods 2022; 11:foods11131938. [PMID: 35804754 PMCID: PMC9266136 DOI: 10.3390/foods11131938] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 02/04/2023] Open
Abstract
The present study focused on the determination of color, flavor, taste, and volatile organic compounds (VOCs) changes of shrimp paste fermented for 1, 2, 3, and 8 years by E-nose, E-tongue, and headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS). During fermentation, the color of shrimp paste turned dark brown with decreases in L*, a*, and b* values. Inorganic sulfide odor was dominant in all fermented samples. The umami, richness, and aftertaste-B reached a maximum in year 3 of fermentation. A total of 182 volatiles, including long-chain alkanes, esters, aldehydes, olefins, ketones, acids, furans, and pyrazines, were detected. Sixteen VOCs including dimethyl disulfide, methional, trimethyl-pyrazine, (E,E)-2,4-heptadienal, benzeneacetaldehyde were selected as flavor markers. Correlation analysis showed that 94 VOCs were related to saltiness while 40, 17, 21, 22, and 24 VOCs contributed to richness, umami, aftertase-B, sourness, and bitterness, respectively. These novel data may help in optimizing fermentation duration to achieve target flavor indicators in opossum shrimp paste production.
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13
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Exploring the Fungal Community and Its Correlation with the Physicochemical Properties of Chinese Traditional Fermented Fish (Suanyu). Foods 2022; 11:foods11121721. [PMID: 35741919 PMCID: PMC9222310 DOI: 10.3390/foods11121721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/04/2022] [Accepted: 06/08/2022] [Indexed: 11/16/2022] Open
Abstract
Suanyu is a traditional natural fermented fish product from Southwest China that contains very complex microflora. The main purpose of this study was to explore the fungal community and its relationship with the physicochemical properties of Suanyu. The fungal community structure of Suanyu from the main provinces (Guizhou and Hunan) was studied via high-throughput sequencing. The correlation between dominant fungi and physicochemical characteristics was analyzed via Spearman's correlation coefficient. The results showed that the pH value, total volatile base nitrogen content, and thiobarbituric acid reactive substance content ranges of Suanyu samples were 4.30-5.50, 17.11-94.70 mg/100 g, and 0.61 to 3.62 mg/kg, respectively. The average contents of total volatile base nitrogen, thiobarbituric acid reactive substance, and total BAs in Suanyu from Guizhou were lower than those from Hunan. The main BAs were phenethylamine, putrescine, cadaverine, histamine, and tyramine. Ascomycota was the dominant fungal phylum, and Kodamaea, Debaryomyces, Wallemia, Zygosaccharomyces, and unclassified Dipodascaceae were the dominant fungal genera in different samples. Moreover, high abundance levels of Kodamaea and Zygosaccharomyces were found in Suanyu from Guizhou. According to the correlation analysis, Kodamaea and Zygosaccharomyces were negatively correlated with TBARS (R2 = -0.43, -0.51) and TVBN (R2 = -0.37, -0.29), and unclassified Dipodascaceae was significant negatively correlated with tyramine (R2 = -0.56). This study expands the understanding of the fungal community and the fermentation characteristics of the dominant fungi in Suanyu.
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14
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Variations in the physicochemical properties and bacterial community composition during fermentation of low-salt shrimp paste. Food Res Int 2022; 154:111034. [DOI: 10.1016/j.foodres.2022.111034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 02/15/2022] [Accepted: 02/16/2022] [Indexed: 11/30/2022]
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15
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Helmi H, Astuti DI, Putri SP, Sato A, Laviña WA, Fukusaki E, Aditiawati P. Dynamic Changes in the Bacterial Community and Metabolic Profile during Fermentation of Low-Salt Shrimp Paste (Terasi). Metabolites 2022; 12:metabo12020118. [PMID: 35208193 PMCID: PMC8874951 DOI: 10.3390/metabo12020118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 11/24/2022] Open
Abstract
Low-salt shrimp paste, or terasi, is an Indonesian fermented food made from planktonic shrimp mixed with a low concentration of salt. Since high daily intake of sodium is deemed unhealthy, reduction of salt content in shrimp paste production is desired. Until now, there is no reported investigation on the bacterial population and metabolite composition of terasi during fermentation. In this study, the bacterial community of terasi was assessed using high-throughput sequencing of the 16S rRNA V3–V4 region. From this analysis, Tetragenococcus, Aloicoccus, Alkalibacillus, Atopostipes, and Alkalibacterium were found to be the dominant bacterial genus in low-salt shrimp paste. GC/MS-based metabolite profiling was also conducted to monitor the metabolite changes during shrimp paste fermentation. Results showed that acetylated amino acids increased, while glutamine levels decreased, during the fermentation of low-salt shrimp paste. At the start of shrimp paste fermentation, Tetragenococcus predominated with histamine and cadaverine accumulation. At the end of fermentation, there was an increase in 4-hydroxyphenyl acetic acid and indole-3-acetic acid levels, as well as the predominance of Atopostipes. Moreover, we found that aspartic acid increased during fermentation. Based on our findings, we recommend that fermentation of low-salt shrimp paste be done for 7 to 21 days, in order to produce shrimp paste that has high nutritional content and reduced health risk.
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Affiliation(s)
- Henny Helmi
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jalan Ganesha No.10, Bandung 40132, Indonesia; (H.H.); (D.I.A.); (S.P.P.)
- Department of Biology, Bangka Belitung University, Kampus Terpadu Balunijuk, Jalan Raya Balunijuk, Merawang, Bangka 33172, Indonesia
| | - Dea Indriani Astuti
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jalan Ganesha No.10, Bandung 40132, Indonesia; (H.H.); (D.I.A.); (S.P.P.)
| | - Sastia Prama Putri
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jalan Ganesha No.10, Bandung 40132, Indonesia; (H.H.); (D.I.A.); (S.P.P.)
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan; (A.S.); (E.F.)
- Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 565-0871, Japan
| | - Arisa Sato
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan; (A.S.); (E.F.)
| | - Walter A. Laviña
- Microbiology Division, Institute of Biological Sciences, University of the Philippines Los Baños, Los Baños, Laguna 4031, Philippines;
| | - Eiichiro Fukusaki
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan; (A.S.); (E.F.)
- Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 565-0871, Japan
- Osaka University-Shimadzu Omics Innovation Research Laboratories, Osaka University, Osaka 565-0871, Japan
| | - Pingkan Aditiawati
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jalan Ganesha No.10, Bandung 40132, Indonesia; (H.H.); (D.I.A.); (S.P.P.)
- Correspondence: ; Tel.: +62-22-251-1575 or +62-22-250-0258
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