نتایج جستجو برای: packaging film
تعداد نتایج: 109846 فیلتر نتایج به سال:
Food packaging is essential for maintaining the quality and safety of food. Excessive food made plastics could be harmful to environment. Plastic takes a long period time biodegrade while most them do not are To improve properties extend shelf-life packaged food, development biodegradable implemented by using natural renewable resources main materials such as extracts from plants due its abilit...
Chitosan (CS) films have demonstrated strong antibacterial properties, excellent biocompatibility and biodegradability, but poor UV blocking, oxygen water barrier mechanical properties limit their application in antimicrobial food packaging. In this study, CS were incorporated with nanofillers, including lignin nanoparticles (LNP, 1–5 wt %) acylated soy protein isolate nanogel (ASPNG, 3–7 to im...
The dominant trend in packaging DDR DRAM for the future is the face down substrate-on-chip configuration. For this type of package it is critical that the die attach method employed provide precise control of bond line thickness and die tilt, minimal fillet, and prevent contamination of the wire bond pads located on the edge of the center wire bond channel. To date, a film adhesive has been the...
Fresh-cut leafy greens contaminated with Escherichia coli O157:H7 have caused foodborne outbreaks. Packaging conditions, coupled with abusive storage temperatures of contaminated lettuce, were evaluated for their effect on the potential virulence of E. coli O157:H7. Shredded lettuce was inoculated with 5.58 and 3.98 log CFU E. coli O157:H7 per g and stored at 4 and 15°C, respectively, for up to...
The gas permeability of plastic films is important in packaging, containment, and agricultural fumigation. Recently, an approach for estimating the mass transfer coefficient of vapors across a film was presented by Papiernik et al. (2001). The mass transfer coefficient is an intrinsic property of a film-chemical combination, independent of the concentration gradient maintained across the film. ...
A study was conducted to develop banana flour based edible film using Response Surface Methodology. A Central Composite Design was adopted in the optimization of banana flour and sodium alginate level for the development of edible film with 13 different runs and 5 trials of two similar centre points. Effects of banana flour (2-4% w/v) and sodium alginate (0.5-1.0% w/v) level on the thickness, m...
Abstract The k-Nearest Neighbor (KNN) algorithm was used to classify and select biodegradable packaging produced from fish gelatine incorporated with palm oil clove oregano essential oils. All reinforced films are highly resistant attraction, an emphasis on a sample of value 53.18 MPa. Also, the addition oils increases elasticity thickness packages. packages have antioxidant antimicrobial prope...
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