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Impact of the drying process on the flavor characteristics of two economically important laver species, Pyropia haitanensis and Neopyropia yezoensis.
Food Chem
January 2025
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang 315211, China; Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, Zhejiang 315211, China. Electronic address:
This study investigated the impact of drying process on the flavor profiles of the economically significant Pyropia haitanensis and Neopyropia yezoensis, aiming to clarify how species differences and drying process influence volatile and non-volatile flavor compounds. Using GC × GC-TOFMS and LC-MS, the volatile metabolites, free amino acids (FAAs), and nucleotides were analyzed. A total of 2774 volatile components, including 76 odor-active compounds (OACs), were identified, with aldehydes, ketones, benzenoids, and pyrazines as dominant contributors.
View Article and Find Full Text PDFCharacterization of Rugulopteryx okamurae algae: A source of bioactive peptides, omega-3 fatty acids, and volatile compounds.
Food Chem
January 2025
Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen del Rocio/CSIC/Universidad de Sevilla, Seville 41013, Spain; Department of Pharmacology, Pediatrics, and Radiology, School of Medicine, University of Seville, Spain.
This study provides a detailed characterization of the invasive algae Rugulopteryx okamurae, highlighting its nutritional composition, mineral content, and potential bioactive compounds. This biomass contains 14.18 % protein, 21.
View Article and Find Full Text PDFBiological VFAs production from proteinaceous wastewater varied with protein type: The role of protein exposed enzyme cleavage sites and hydrolysates biotransformation capacity.
Water Res
January 2025
State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, PR China. Electronic address:
Proteinaceous wastewater contains various proteins, which can be valorized to biobased volatile fatty acids (VFAs), important substrates for the synthesis of biodegradable plastics, biodiesel, bioelectricity, etc., but the influence of protein type on VFAs has never been documented. It was found that among the five proteinaceous wastewater proteins investigated, ovalbumin and casein produced the most and the least VFAs, respectively.
View Article and Find Full Text PDFTurning residues into valuable compounds: organic waste conversion into odd-chain fatty acids via the carboxylate platform by recombinant oleaginous yeast.
Microb Cell Fact
January 2025
Biotechnological Processes Unit, IMDEA Energy, 28935, Móstoles (Madrid), Spain.
Environmental concerns are rising the need to find cost-effective alternatives to fossil oils. In this sense, short-chain fatty acids (SCFAs) are proposed as carbon source for microbial oils production that can be converted into oleochemicals. This investigation took advantage of the outstanding traits of recombinant Yarrowia lipolytica strains to assess the conversion of SCFAs derived from real digestates into odd-chain fatty acids (OCFA).
View Article and Find Full Text PDFSucrose-preferring gut microbes prevent host obesity by producing exopolysaccharides.
Nat Commun
January 2025
Laboratory of Molecular Neurobiology, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, Japan.
Commensal bacteria affect host health by producing various metabolites from dietary carbohydrates via bacterial glycometabolism; however, the underlying mechanism of action remains unclear. Here, we identified Streptococcus salivarius as a unique anti-obesity commensal bacterium. We found that S.
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