期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 136, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jtice.2022.104426
关键词
Microbial fuel cells; Bioenergy and biorefinery; Agricultural waste recycling; Trichodesma khasianum; Euphorbia hirta; COVID-19
资金
- Taiwan's Ministry of Science and Technology [MOST 109-2221-E-197-016-MY3, 110-2221-E-197-008]
- Office of Research and Development, Chang Jung Christian University
This study explores the potential of indigenous herbs from agricultural waste as bioenergy and biorefinery stimulants for the development of potential anti-COVID-19 drugs. The findings suggest that herbal extracts with electron shuttle and antiviral properties can enhance bioenergy production. This research is important for waste recycling and the development of antiviral drugs.
Background: This first-attempt study explored indigenous herbs from agricultural waste with bioenergy and biorefinery-stimulating potentials for possible anti-COVID-19 drug development. As prior novel study revealed, medicinal herbs abundant in ortho-dihydroxyl substituents and flavonoid-bearing chemicals were likely not only electron shuttle (ES)-steered, but also virus transmission-resisted. Methods: Herbal extract preparation from agricultural wastes were implemented via traditional Chinese medicine (TCM) decoction pot. After filtration and evaporation, a crude extract obtained was used for evaluation of bioenergy-stimulating and electron-mediating characteristics via microbial fuel cells (MFCs). Combined with cyclic voltammetric analysis, MFCs provided a novel platform to distinguish electron shuttles from antioxidants with electron-transfer steered antiviral potentials of herbal extracts. Significant findings: After 50 serial cyclic voltammogram traces, considerable ES activities of herbal extracts still stably remained, indicating that possible medication-associated capabilities could be persistent. This work also extended to explore bioenergy-stimulating herbs from agricultural waste recycling for bioenergy and biorefinery applications. Water extract of Coffea arabica was more biotoxic than ethanolic extract, resulting in its lower power-generating capability. The findings revealed that water extract of Trichodesma khasianum and Euphorbia hirta could exhibit considerable bioenergy-enhancing effects. For cradle-to-cradle circular economy, agricultural waste could be specifically screened for possible regeneration of value-added anti-COVID-19 drugs via bioenergy selection.
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