Yoonjung Sul, Ajahar Khan, Jun Tae Kim, Jong-Whan Rhim
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Tangerine peel-derived nitrogen-doped carbon dots incorporated chitosan/pullulan-based active packaging film for bread packaging.
Citrus peel waste carbon dots based on nitrogen-doped (N-TanCD) were developed by a hydrothermal strategy to deliver active packaging fillers and characterized by transmission electron microscopy, photoluminescence, and Fourier transform infrared analyses. The addition of N-TanCD into chitosan-pululan (CS/Pul@N-TanCD) polymer blend amplified the tensile strength of the composite film by 22.8 %, whereas the antioxidant activities against DPPH and ABTS reached 62.7 % and 91.6 %, respectively. The proposed film showed blocked 98.8 % of UV-A and 100 % of UV-B without affecting the film's transparency. The CS/Pul@N-TanCD film lowered the contamination of L. monocytogenes and E. coli by more than 4 and 5 log CFU/mL, respectively. Sliced bread was packaged using CS/Pul-based films and stored for 12 days at 50 % relative humidity and 25 °C to investigate changes in the quality of the bread. It was found that bread packaged with CS/Pul film integrated with N-TanCD maintained excellent bread quality relating to appearance, moisture content, hardness, weight loss, and total viable bacterial count.
期刊介绍:
Colloids and Surfaces B: Biointerfaces is an international journal devoted to fundamental and applied research on colloid and interfacial phenomena in relation to systems of biological origin, having particular relevance to the medical, pharmaceutical, biotechnological, food and cosmetic fields.
Submissions that: (1) deal solely with biological phenomena and do not describe the physico-chemical or colloid-chemical background and/or mechanism of the phenomena, and (2) deal solely with colloid/interfacial phenomena and do not have appropriate biological content or relevance, are outside the scope of the journal and will not be considered for publication.
The journal publishes regular research papers, reviews, short communications and invited perspective articles, called BioInterface Perspectives. The BioInterface Perspective provide researchers the opportunity to review their own work, as well as provide insight into the work of others that inspired and influenced the author. Regular articles should have a maximum total length of 6,000 words. In addition, a (combined) maximum of 8 normal-sized figures and/or tables is allowed (so for instance 3 tables and 5 figures). For multiple-panel figures each set of two panels equates to one figure. Short communications should not exceed half of the above. It is required to give on the article cover page a short statistical summary of the article listing the total number of words and tables/figures.