Gelatin-based ballistic gel formulated with phytosynthesized nanocellulose from Arundo donax for alpha-amylase enzyme inhibition activity

Jeevanandam, Jaison; Castro, Rita; Rodrigues, João

http://hdl.handle.net/10400.13/7293

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Abstract(s)

Arundo donax, an indigenous plant in the Mediterranean region, has affected the growth of native vegetation as an invasive plant, ultimately reducing soil quality and affecting the food chain in several areas of the world. Thus, the present work aims to obtain cellulose from the A. donax leaf extract via organosolv fractionation and bleaching method, followed by centrifugal fractionation to yield nanocellulose of moderately monodispersed (0.428 PDI) 91.2 nm in size and a zeta potential of -35.5 mV of high stability in aqueous medium (water). In addition, the resultant nanocellulose was formulated in ballistic gelatin hydrogel, and their antidiabetic effect via alpha-amylase enzyme inhibition activity was also investigated. Systematic characterization of the hydrogel samples (different volume ratios of gelatin and nanocellulose) revealed that the sample with 18:2 (v/v) gelatin: nanocellulose content is thermally stable until 152 ◦C, releasing nanocellulose for three days from hydrogel until 45 ◦C. This study confirms the feasibility and potential of utilizing invasive plant species to extract nanocellulose for medical purposes. Furthermore, the gelatin-formulated nanocellulose, with its demonstrated alpha-amylase inhibition activity at a dosage of 80 µg/mL, holds the promise of being a potential revolutionary medical gummy for sustained reduction of blood glucose levels.

Keywords

Invasive plant Nanocellulose Hydrogel Antidiabetic activity Amylase inhibition . - Centro de Química da Madeira Faculdade de Ciências Exatas e da Engenharia

URI

http://hdl.handle.net/10400.13/7293

Citation

Jeevanandam, J., Castro, R., & Rodrigues, J. (2024). Gelatin-based ballistic gel formulated with phytosynthesized nanocellulose from Arundo donax for alpha-amylase enzyme inhibition activity. Carbohydrate Polymer Technologies and Applications, 8, 100575.