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Thermal analysis of some phytotherapeutic products irradiated with electron beam

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Abstract

The purpose of the present work deals with the evaluation of the electron beam irradiation effects on some natural products based on thermal analysis. Some natural products with therapeutic contributions (artichoke, sea buckthorn, common sage, stonebreaker and cloves) were irradiated with doses up to 9 kGy using accelerated electron beam. The thermal profiles lead to identify three phenomena: dehydration — volatilization, irreversible degradation — molecular reorganization and residue decomposition. The radio-induced degradations determine slight shifts of the temperatures where these phenomena occur. The energetic value of the studied products is affected by e-beam treatment depending on irradiation dose.

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Authors and Affiliations

  1. Electron Accelerator Lab. — National Institute for Laser, Plasma and Radiation Physics, 409 Atomistilor St., PO Box MG-36, 077125, Bucharest-Magurele, Romania

    Monica R. Nemtanu, Mirela Brasoveanu & C. Oproiu

  2. Department of Physical Chemistry, Faculty of Chemistry — University of Bucharest, Bd. Regina Elisabeta 4-12, 030018, Bucharest, Romania

    Viorica Meltzer & Elena Pincu

Authors
  1. Monica R. Nemtanu
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  2. Mirela Brasoveanu
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  3. Viorica Meltzer
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  4. Elena Pincu
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  5. C. Oproiu
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Correspondence to Monica R. Nemtanu.

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Nemtanu, M.R., Brasoveanu, M., Meltzer, V. et al. Thermal analysis of some phytotherapeutic products irradiated with electron beam. J Therm Anal Calorim 97, 309 (2009). https://doi.org/10.1007/s10973-008-9624-8

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  • DOI: https://doi.org/10.1007/s10973-008-9624-8

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