By Alexandru Grumezescu
Food renovation, quantity Six, the most recent in the Nanotechnology within the Agri-Food series, discusses how nanotechnology can enhance and keep an eye on the expansion of pathogenic and spoilage compounds to enhance nutrients security and caliber. The publication contains study info on nanovesicles, nanospheres, metal nanoparticles, nanofibers, and nanotubes, and the way they're able to trapping bioactive elements to extend and preserve the soundness of compounds usually delicate lower than ordinary foodstuff processing and garage stipulations. This e-book should be priceless to a large viewers of nutrition technological know-how learn execs and professors and scholars doing study within the field.
- Describes the potent usage of nanostructured antimicrobials in toxicological stories and actual meals systems
- Offers learn options for figuring out possibilities in antimicrobial nanostructures and the aptitude demanding situations in their toxicity
- Presents assorted functions of nanostructured antimicrobials in nutrition renovation
- Covers the capability advantages of nanotechnology and strategies of probability evaluation that determine foodstuff safety
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2015). 13a. It is noticeble that this method could be used on various materials due to the widely transferable property of plasma process. At first, an organosilicon thin film with a thickness of 70 nm was deposited on substrate surface. This obtained layer was used as a reservation layer for AgNPs immobilization and to improve the AgNPs adhesion to substrate surface. In the following step, the samples with the plasma-polymerized layer on top were incorporated with AgNPs through a dipping process.
The generation of hydrogen peroxide from the surface of ZnO is considered as an effective mean for the inhibition of bacterial growth. Another possible mechanism for ZnO antibacterial activity is the release of Zn2+ ions leading to damage cell membrane and interaction with intracellular contents. Also, the electrostatic interactions between ZnONPs and cells surface can lead to a strong bind, consequently, producing cell membrane damage. TiO2 has obtained considerable interest in food industry due to its antimicrobial properties.
Reprinted with permission from Zhang et al. (2015); copyright 2014 Royal Society of Chemistry. composites sometimes show low or no antimicrobial activities. One of the possible reasons for these unfavorable characteristics is that a majority of the incorporated antimicrobial agents are totally trapped inside the composite matrixes so they cannot be released or leached out to provide antibacterial properties to the resulting composites. 4 Grafting Antimicrobial Nanoparticles on Packaging Surface Besides incorporating into the packaging matrix, nanocomposites can also be immobilized on packaging surface to achieve antimicrobial activity.