Comparative fractal analysis of Valeriana officinalis roots shrinkage during drying
Конференцијски прилог (Објављена верзија)
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Valerian plant roots (Valeriana officinalis)shrinkage was investigated during the convective hot air drying. Combined fractal and image analysis was performed in this study.The samples were prepared for light microscopy observation by standard paraffin wax method, sectioned by sliding microtome and stained by Alcian blue and Safranin. The fractal dimensions of sample images were calculated using the box counting method.Both polar and orthogonal meshes were used. The normalized changes of fractal dimension of the microstructural images were used to describe the shrinkage process of biomaterial. The changes of physical properties and microstructure of roots strongly depends on drying regime and drying agent properties. Comparative analysis of fresh and dry root samples shows thatmicrostructural changes in bio material can be correlated with drying parameters during the dehydration process. Fractal dimension was found to be a good indicator of the microstructural changes of an investigate...d bio-material.
Кључне речи:Valeriana officinalis / convective hot air drying / fractal analysis
Извор:Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade, 2016, 40-41
- Belgrade : Serbian Ceramic Society