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http://krishi.icar.gov.in/jspui/handle/123456789/20348| Title: | Chitosan-capped gold nanoparticles for indicating temperature abuse in frozen stored products |
| Other Titles: | Not Available |
| Authors: | Mohan, C.O. Gunasekaran, S. Ravishankar, C.N. |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Central Institute of Fisheries Technology Biological Systems Engineering Department, University of Wisconsin, Madison, WI, USA |
| Published/ Complete Date: | 2019-01-31 |
| Project Code: | Not Available |
| Keywords: | Not Available |
| Publisher: | Published in partnership with Beijing Technology and Business University |
| Citation: | Mohan, C. O.,Gunasekaran, S. and Ravishankar, C.N.(2019) Chitosan-capped gold nanoparticles for indicating temperature abuse in frozen stored products. npj science of food 3 (2), 1-6. |
| Series/Report no.: | Not Available; |
| Abstract/Description: | The present study aimed to optimize the conditions for the synthesis of gold nanoparticles (AuNP) using chitosan and to assess its effectiveness as temperature threshold indication for frozen storage conditions. Chitosan concentration of 0.25 percentage and temperature of 90 degree celsius for 15 min was optimum for synthesizing AuNP. The maximum absorbance was observed at 530 and 540 nm for 0.125 percentage and 0.25 percentage chitosan, respectively, indicating shifting of peak toward longer wavelengths (red shift) with increasing chitosan concentration indicating larger AuNPs. A prominent absorption peak at 1367 per centimeters by Fourier transform-infrared (FTIR) spectrum corresponding to C−C stretching of the glucosamine group of chitosan indicates the chitosan capping on the AuNP. Higher peak intensity and a peak shift toward shorter wavelength were observed for AuNPs exposed to frozen temperature abused conditions. Distinctly clear visible color variation from cherry red to gray indicates its application as temperature abuse indicator in frozen products. |
| Description: | Not Available |
| ISSN: | 2396-8370 (online) |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | npj Science of Food |
| Volume No.: | 3 (2) |
| Page Number: | 1-6 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | https://doi.org/10.1038/s41538-019-0034-z |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/20348 |
| Appears in Collections: | FS-CIFT-Publication |
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