Integrated Green Chemical Approach to the Medicinal Plant Carpobrotus edulis Processing.

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ID: 69446
2019
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Abstract
Many plants have medicinal properties due to substances known as phytochemicals. To utilize these plants in practice, numerous procedures, such as extraction, isolation and characterization methods and toxicology and bioactivity studies, must be designed and implemented. Integrated approach to process Carpobrotus edulis, a weed medicinal plant widely spread in Portugal, was developed into a closed loop of two processes: microwave assisted extraction (MAE) and activation (MAA), to produce both phytochemicals and biochar. The use of MAE for phytochemical extraction was shown to be more energy efficient than conventional Soxhlet extraction: the process time was decreased by 7-8 times, and the energy efficiency was increased by up to 97%. The yield of the extracts is of 27%. Qualitative and quantitative identification/characterization of the phytochemicals were performed by LC-MS and phytochemical screening assays. The results clearly indicated that Carpobrotus edulis is rich by flavonoids (up to 24%). The use of MAA to process the residual biomass could shorten the activation time, resulting in reduced energy consumption. Biochar with a high yield of 65% (on a biomass basis) and a well-developed texture (surface area of 68.9 m/g; total pore volume of 0.10 cm/g; micropore volume of 0.07 cm/g) is obtained.
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lyubchyk2019integratedscientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lyubchyk, Sergiy;Shapovalova, Olesia;Lygina, Olena;Oliveira, Maria Conceiçao;Appazov, Nurbol;Lyubchyk, Andriy;Charmier, Adilia Januario;Lyubchik, Svetlana;Pombeiro, Armando J L;
Journal Scientific reports
Year 2019
DOI
10.1038/s41598-019-53817-8
URL
Keywords
Silver nanoparticles antioxidant activity carnosic acid rosmarinus officinalis

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