Article
Chemistry, Applied
Shuai Zhuang, Li Tian, Yueyue Liu, Luxin Wang, Hui Hong, Yongkang Luo
Summary: In this study, three major spoilage bacteria of grass carp were artificially inoculated in amino acid solutions and grass carp flesh to investigate their involvement in amino acid degradation and fish quality deterioration. The results showed that Pseudomonas putida highly degraded free amino acids and produced ammonia in grass carp flesh, while Aeromonas rivi-pollensis produced 3-Methyl-butanol and 2-Methyl-butanol through leucine and isoleucine degradation. Shewa-nella putrefaciens showed potent ornithine-decarboxylation activity and released putrescine. Additionally, when S. putrefaciens cooperated with P. putida, more putrescine was produced through the arginine deiminase pathway. In conclusion, this study provided fundamental information on the spoilage mechanisms of freshwater fish and important guidance for quality control strategies.
Article
Chemistry, Applied
Enes Atmaca, Aylin Alkan, Yavuz Kursad Das, Abdurrahman Aksoy
Summary: This study analyzed the production of eight key biogenic amines in farmed rainbow trout samples under various storage conditions, and investigated the accompanying variations in pH. The goal was to identify chemical markers for evaluating the quality of farmed rainbow trout. Histamine and tryptamine were absent, and cadaverine levels were inconsistent. Putrescine levels significantly increased at different storage temperatures. Tyramine, spermidine, and spermine levels fluctuated but were positively correlated with putrescine levels. pH levels slightly increased across all storage temperatures. The study concluded that putrescine may serve as an effective marker for evaluating the freshness of farmed rainbow trout during storage.
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT
(2023)
Article
Fisheries
Jiali Mi, Dan Liu, Chaobin Qin, Xiao Yan, Peng Pang, Yinghao Yun, Luming Wang, Guoxing Nie
Summary: This study evaluated the effects of (-)-epicatechin (EC) on muscle antioxidant capacity, myofiber development, texture characteristics, and histomorphology in Yellow River carp. The results showed that the supplementation of 1000 mg/kg EC enhanced antioxidant capacity and protein content in the muscle, and promoted myofiber development. Furthermore, EC also improved muscle texture characteristics and histomorphology in Yellow River carp.
Article
Chemistry, Applied
Noman Walayat, Wei Tang, Xinping Wang, Minghua Yi, Li Guo, Yuting Ding, Jianhua Liu
Summary: This research compared the antioxidant effects of konjac oligosaccharides (KOG) and conventional cryoprotectant (4% sucrose + 4% sorbitol) mixture on silver carp proteins during fluctuated frozen storage. It was found that KOG (3%) showed stronger interactions with protein molecules, leading to reduced surface hydrophobicity, decline in SH groups and Ca2+-ATPase, and enhanced gel strength of surimi. These findings suggest that KOG (3%) has potential as a substitute for conventional cryoprotectant in seafood frozen preservation, providing commercial benefits.
FOOD HYDROCOLLOIDS
(2022)
Article
Materials Science, Multidisciplinary
Aman Bhardwaj, Lalit M. Pandey
Summary: Hospital-acquired infections (HAIs) are a serious medical threat affecting the efficacy of existing medical infrastructure, with antibiotics contributing to multi-drug resistant bacteria and biofilm formation. Silver nanoparticles (AgNPs) based antimicrobial surfaces show potential in preventing bacterial adhesion and biofilm formation, offering a promising solution to address the issue of HAIs.
Article
Chemistry, Applied
U. Colombi, L. Sanarica, E. Pargoletti, C. Pisarra, F. Manzoni, G. Cappelletti
Summary: In this study, we demonstrated that bentonites can effectively reduce the content of biogenic amines (BAs) in wine, especially putrescine. Kinetic and thermodynamic studies were conducted on two commercially available bentonites, which achieved approximately 60% removal of putrescine through physisorption mechanism at an optimal concentration of 0.40 g dm-3. Both bentonites also showed promising results in more complex systems, although the adsorption of putrescine was lower due to competition with other molecules typically present in wines, such as proteins and polyphenols. Nevertheless, we managed to reduce the putrescine content below 10 ppm in both red and white wines.
Article
Chemistry, Applied
Krzysztof Surowka, Magdalena Rzepka, Fatih Ozogul, Yesim Ozogul, Barbara Surowka, Maciej Ligaszewski
Summary: During storage, the total viable counts of vacuum packaged low processed rainbow trout gradually increased, while coliform bacteria disappeared. The concentration of biogenic amines and the biogenic amine index increased over time, with the highest concentration of inosine monophosphate. The G value was found to be a more suitable indicator for assessing the quality of the gravad.
Article
Food Science & Technology
Dabin Kim, Young Hun Jin, Jae-Hyung Mah
Summary: This study aimed to select Bacillus strains capable of degrading biogenic amines (BAs) from Cheonggukjang and investigate their effects on BA reduction during Cheonggukjang fermentation, with and without the presence of Enterococcus faecium, a prolific tyramine-producing species. Three BA-degrading and low BA-producing strains (B. licheniformis CH7P22, B. haynesii CH7P24, and B. velezensis CH7P28) were selected from a total of 327 isolated strains. B. licheniformis CH7P22 exhibited the largest reduction in tyramine and spermine contents during fermentation.
Article
Multidisciplinary Sciences
Cristina C. Clement, Angelo D'Alessandro, Sangeetha Thangaswamy, Samantha Chalmers, Raquel Furtado, Sheila Spada, Giada Mondanelli, Federica Ianni, Sarah Gehrke, Marco Gargaro, Giorgia Manni, Luisa Carlota Lopez Cara, Peter Runge, Wanxia Li Tsai, Sinem Karaman, Jorge Arasa, Ruben Fernandez-Rodriguez, Amanda Beck, Antonio Macchiarulo, Massimo Gadina, Cornelia Halin, Francesca Fallarino, Mihaela Skobe, Marc Veldhoen, Simone Moretti, Silvia Formenti, Sandra Demaria, Rajesh K. Soni, Roberta Galarini, Roccaldo Sardella, Gregoire Lauvau, Chaim Putterman, Kari Alitalo, Ursula Grohmann, Laura Santambrogio
Summary: 3-hydroxy-L-kynurenamine (3-HKA) is a metabolite deriving from a lateral pathway of tryptophan catabolism. The authors identify 3-HKA as a biogenic amine with anti-inflammatory properties, showing its protective effects against psoriasis and nephrotoxic nephritis in mice.
NATURE COMMUNICATIONS
(2021)
Article
Food Science & Technology
Noman Walayat, Minghua Yi, Xinping Wang, Ibrahim Khalifa, Asad Nawaz, Chuan Li, Rana Muhammad Aadil, Sezai Ercisli, Riaz Ullah, Jose M. Lorenzo, Wei Tang, Jianhua Liu
Summary: The cryoprotective effect of konjac oligosaccharide (KOG) on frozen silver carp protein was analyzed. Molecular dynamic simulation (MD) was used to study the interaction between KOG and myosin. The results demonstrated that KOG could stabilize the Ca2+-ATPase and gel strength of the protein. This finding has important implications for the industrial application of KOG as an effective cryoprotectant.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Microbiology
Junsu Lee, Young Hun Jin, Alixander Mattay Pawluk, Jae-Hyung Mah
Summary: This study successfully identified lactic acid bacteria capable of degrading biogenic amines from kimchi and demonstrated their effectiveness in reducing amine content during Baechu kimchi fermentation. Among the strains, Levilactobacillus brevis PK08 showed the highest reduction in tyramine content, potentially improving the safety of kimchi fermentation.
Article
Food Science & Technology
Zhe Xu, Jiale Chang, Jiamin Zhou, Yixin Shi, Hui Chen, Lingyu Han, Maolin Tu, Tingting Li
Summary: This study found that the ornithine decarboxylase gene (ODC) is involved in putrescine biosynthesis and successfully expressed it in E. coli. Functional analysis confirmed that the ODC protein can catalyze the decarboxylation of ornithine to putrescine. Tea polyphenols were identified as effective inhibitors for controlling putrescine content in pickled fish.
Article
Biochemistry & Molecular Biology
Kishore K. Joshi, Tarmie L. Matlack, Stephanie Pyonteck, Mehul Vora, Ralph Menzel, Christopher Rongo
Summary: Metazoans utilize protein homeostasis pathways to respond to adverse conditions, with the nervous system playing a role in regulating proteostasis in different tissues. This study reveals that Caenorhabditis elegans uses biogenic amine neurotransmitters to modulate UPS proteostasis in epithelia by promoting eicosanoid production through P450 monooxygenases, ultimately maintaining protein turnover.
Article
Chemistry, Applied
Dongying Song, Yinghao Yun, Zijie He, Jiali Mi, Jiaxiang Luo, Min Jin, Qicun Zhou, Guoxing Nie
Summary: This study conducted a three-month rearing trial to investigate the fillet texture improvement of Yellow River carp fed with faba bean. The results showed that faba bean changed the fatty acid composition in white muscle, up-regulated reactive oxygen species levels, and down-regulated antioxidant enzyme activities, leading to a decrease in myofiber diameter and collagen metabolism.
Article
Microbiology
Tingting Jia, Ying Yun, Zhu Yu
Summary: The research found that propionic acid and sodium benzoate can improve the fermentation quality of oat silage and reduce the content of biogenic amines. The fungal community of propionic acid silage is dominated by Monascus fuliginosus, while the ammonia nitrogen content is higher in sodium benzoate silage.
FRONTIERS IN MICROBIOLOGY
(2021)
