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Determination of Natural Radioactivity of the <i>Hibiscus sabdariffa</i>Linn (Roselle) Used in Côte d’Ivoire (Ivory Coast)
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作者 Agbo Djoman Djama Alfred Djagouri Koudou Brigui Olkalé Jean-Claude 《Advances in Materials Physics and Chemistry》 2021年第3期59-66,共8页
In this work, ten medicinal and nutritional leaves samples of <em>Hibiscus sabdariffa</em> Linn imported from Mali and Burkina Faso in C<span style="white-space:nowrap;"><span style=&quo... In this work, ten medicinal and nutritional leaves samples of <em>Hibiscus sabdariffa</em> Linn imported from Mali and Burkina Faso in C<span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#244;</span></span></span>te d’Ivoire and sold on the market were collected. The analysis of these plants using High Purity Germanium detector (HPGE) gamma spectrometry showed the activity concentrations of <sup>226</sup>Ra, <sup>232</sup>Th, and <sup>40</sup>K varied respectively in the range of (1.74 - 0.11) × 10<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#8722;</span></span></span></span>3</sup> Bq/kg, (6.72 - 0.61) × 10<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#8722;</span></span></span></span>4</sup> Bq/kg and (4.65 - 0.54) × 10<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#8722;</span></span></span></span>3</sup> Bq/kg1 in the leaves of <em>H. sabdariffa</em>. The Average Annual Committed Effective Dose (AACED) values from leaves this plant varied from 251.492 × 10<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#8722;</span></span></span></span>6</sup> to 68.133 × 10<sup><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;"><span style="white-space:nowrap;">&#8722;</span></span></span></span>6</sup> mSv/y. These values found are below 0.30 mSv/y, the world average value for an individual. These results show that there is no radiological risk in consuming “bissap” leaves. 展开更多
关键词 Natural Radioactivity hpge gamma spectrometry Activity Concentration Medicinal and Nutritional Plant Côte d’Ivoire
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