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Microscopic Imaging to Visualize the Distribution of Dietary Nucleic Acids in Food Products of Various Origins
Abstract
Dietary nucleic acids (dietNAs) are being increasingly recognized as important food components with nutritional value. However, the precise dietary recommendations for dietNAs are limited, because established methods for determining the quantity and nutritional role of dietNAs are still lacking. One of the tools to narrow this gap could be microscopic imaging, as a convenient approach to visualize the abundance and distribution of dietNAs in food products. With the aid of appropriate bioinformatic elaboration, such images may in future enable the direct semiquantitative estimation of these macromolecules in food products. In the presented study, two methods of preparing microscopic sections and staining them with DNA-specific fluorochromes were used for microscopic imaging of dietNAs in food products of plant and animal origin. Procedures for preparing formalin-fixed paraffin-embedded sections and cryosections were compared in terms of their usefulness for routine food analysis. Both methods turned out equally suitable for visualizing dietNA distribution in animal and plant products. However, the use of cryosections allowed a significantly shorter analysis time and reduced the consumption of organic solvents. Both of these advantages make the cryosection method preferable while establishing a dedicated methodology for routine assessment of dietNAs in the food industry.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/foods12213942
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Foods
no. 12,
ISSN: 2304-8158 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Kościelak A., Koziara Z., Pons Maria A., Płatek R., Bartoszek-Pączkowska A.: Microscopic Imaging to Visualize the Distribution of Dietary Nucleic Acids in Food Products of Various Origins// Foods -Vol. 12,iss. 21 (2023), s.3942-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/foods12213942
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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