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Natural Food Colorant Obtained from Wild L. by Ultrasound-Assisted Extraction: Optimization and Characterization.
Foods
January 2025
Departamento Nutrición y Ciencia de los Alimentos, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal, s/n, 28040 Madrid, Spain.
In this study, a novel natural food colorant based on anthocyanins was developed from wild barberry ( L.) fruits using ultrasound-assisted extraction, which was optimized through RSM. Four extraction variables (ultrasound power, time, S/L ratio, and extraction solvent pH) were evaluated in combination.
View Article and Find Full Text PDFVisible light-driven multichannel concerted antibacterial films with Photodynamically enhanced self-cascading Chemodynamic actions for long-term preservation of perishable food.
Food Chem
January 2025
College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province 712100, China. Electronic address:
This work pioneered an innovative visible light-powered, self-cascading peroxide antimicrobial packaging system (RPFe-CS), featuring a photodynamic enhancement effect achieved through the demand-oriented design of riboflavin sodium phosphate and Fe coordination complexes (RPFe) fillers with photodynamic and peroxidase activities, and the ingenious selection of slightly acidic chitosan (CS) film matrix. In this system, the photo-responsive properties of RPFe particles not only generate the •O, •OH, and O required for photodynamic sterilization, but also the produced HO serves as a necessary substrate for peroxidase to exert its bactericidal effect, endowing the packaging system with a "self-production and self-marketing" cascade process. The RPFe-CS film achieved efficient eradication to bacteria and fungi reaching up to 99.
View Article and Find Full Text PDFA Novel Isotropic Optical Fiber: Antimicrobial Effect of Blue Light on Drug Resistant Organisms.
J Orthop Res
January 2025
Department of Orthopaedic Surgery, Division of Arthroplasty and Joint Reconstruction, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
Drug-resistant organisms (DROs) necessitate the development of new therapies. Antimicrobial blue light (ABL) is a promising option, utilizing photoexcitation of endogenous bacterial components to generate reactive oxygen species, leading to bacterial death. The aim of this study is to investigate the effects of a novel isotropic optical fiber under in-vitro conditions on multidrug-resistant gram-negative Pseudomonas aeruginosa (MDR-Pa) and methicillin-resistant Staphylococcus aureus (MRSA).
View Article and Find Full Text PDFAn In Vitro Evaluation of Robin's Pincushion Extract as a Novel Bioactive-Based Antistaphylococcal Agent-Comparison to Rosehip and Black Rosehip.
Antibiotics (Basel)
December 2024
Faculty of Technology Novi Sad, University of Novi Sad, Bulevar Cara Lazara 1, 21000 Novi Sad, Serbia.
This study explores the bioactive properties of extracts obtained from Robin's pincushion () collected in Sokobanja, Serbia. Comprehensive in vitro assessments reveal high concentrations of total phenolics (186.37 mg GAE/g), along with significant levels of carotenoids (44.
View Article and Find Full Text PDFBiochemical, Antioxidant, and Antimicrobial Profiling of Essential Oils of Indian Origin for Culinary Applications.
Int J Food Sci
December 2024
National Fisheries Development Board, Hyderabad, Telangana, India.
This study investigated the biochemical composition and tested the antioxidant and antimicrobial properties of four Indian-origin essential oils (EOs)-ginger, garlic, clove, and eucalyptus-to evaluate their potential for culinary applications. Gas chromatography-mass spectrometry (GC-MS) analysis was used to identify the chemical constituents of EOs. Antioxidant assays such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) and antimicrobial assays such as Agar well diffusion, minimum inhibitory concentration (MIC), and minimum bactericidal concentration (MBC) were carried out.
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