Investigation of naturally occurring radionuclides in selected medicinal plants and associated soils, and calculation of soil-to-plant transfer factors
This study investigated the activity concentrations of 226Ra, 232Th, and 40K and their soil-to-plant transfer factors in some medicinal plants located in Nepal. The geometric mean values of soil-to-plant transfer factors (TFs) for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively. This i...
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creator | Khanal, Madan Acharya, Arjun Maharjan, Rajesh Upadhyay, Devendra Raj Dhobi, Saddam Husain Shah, Buddha Ram Adhikari, Rameshwar Mulmi, Deependra Das Lamichhane, Tika Ram Lamichhane, Hari Prasad |
description | This study investigated the activity concentrations of 226Ra, 232Th, and 40K and their soil-to-plant transfer factors in some medicinal plants located in Nepal. The geometric mean values of soil-to-plant transfer factors (TFs) for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively. This indicated that medicinal plants absorbed the highest amount of 40K from the soil, followed by 232Th, while 226Ra was absorbed the least. The average radium equivalent activities for medicinal plants (189 Bq/kg) and associated soils (182 Bq/kg) were within the international acceptable limit of 370 Bq/kg. According to the activity concentrations found in the medicinal plants, they do not present any radiological health hazards unless consumed in excessive quantities; however, continuous investigations are essential.
•Medicinal plants absorbed the highest amount of 40K, followed by 232Th, and 226Ra.•The average Raeq for medicinal plants and soils were within safe limit of 370 Bq/kg.•The mean TF values for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively.•Medicinal plants pose no radiological risk unless consumed in excessive amounts. |
doi_str_mv | 10.1016/j.jenvrad.2024.107556 |
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•Medicinal plants absorbed the highest amount of 40K, followed by 232Th, and 226Ra.•The average Raeq for medicinal plants and soils were within safe limit of 370 Bq/kg.•The mean TF values for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively.•Medicinal plants pose no radiological risk unless consumed in excessive amounts.</description><identifier>ISSN: 0265-931X</identifier><identifier>ISSN: 1879-1700</identifier><identifier>EISSN: 1879-1700</identifier><identifier>DOI: 10.1016/j.jenvrad.2024.107556</identifier><identifier>PMID: 39489993</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Gamma spectroscopy ; Medicinal plants ; NaI(Tl) detector ; Nepal ; Plants, Medicinal - chemistry ; Plants, Medicinal - metabolism ; Potassium Radioisotopes - analysis ; Radiation Monitoring - methods ; Radioactivity ; radium ; Radium - analysis ; soil ; Soil - chemistry ; Soil Pollutants, Radioactive - analysis ; Soil Pollutants, Radioactive - metabolism ; Thorium - analysis ; Transfer Factor ; Transfer factor (TF)</subject><ispartof>Journal of environmental radioactivity, 2024-12, Vol.280, p.107556, Article 107556</ispartof><rights>2024 Elsevier Ltd</rights><rights>Copyright © 2024 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c276t-d036a091f3e3e5db8dec7a5450990fa44594f723f23de970463bef60dbaa7f503</cites><orcidid>0009-0002-9680-2982</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0265931X24001887$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39489993$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Khanal, Madan</creatorcontrib><creatorcontrib>Acharya, Arjun</creatorcontrib><creatorcontrib>Maharjan, Rajesh</creatorcontrib><creatorcontrib>Upadhyay, Devendra Raj</creatorcontrib><creatorcontrib>Dhobi, Saddam Husain</creatorcontrib><creatorcontrib>Shah, Buddha Ram</creatorcontrib><creatorcontrib>Adhikari, Rameshwar</creatorcontrib><creatorcontrib>Mulmi, Deependra Das</creatorcontrib><creatorcontrib>Lamichhane, Tika Ram</creatorcontrib><creatorcontrib>Lamichhane, Hari Prasad</creatorcontrib><title>Investigation of naturally occurring radionuclides in selected medicinal plants and associated soils, and calculation of soil-to-plant transfer factors</title><title>Journal of environmental radioactivity</title><addtitle>J Environ Radioact</addtitle><description>This study investigated the activity concentrations of 226Ra, 232Th, and 40K and their soil-to-plant transfer factors in some medicinal plants located in Nepal. The geometric mean values of soil-to-plant transfer factors (TFs) for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively. This indicated that medicinal plants absorbed the highest amount of 40K from the soil, followed by 232Th, while 226Ra was absorbed the least. The average radium equivalent activities for medicinal plants (189 Bq/kg) and associated soils (182 Bq/kg) were within the international acceptable limit of 370 Bq/kg. According to the activity concentrations found in the medicinal plants, they do not present any radiological health hazards unless consumed in excessive quantities; however, continuous investigations are essential.
•Medicinal plants absorbed the highest amount of 40K, followed by 232Th, and 226Ra.•The average Raeq for medicinal plants and soils were within safe limit of 370 Bq/kg.•The mean TF values for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively.•Medicinal plants pose no radiological risk unless consumed in excessive amounts.</description><subject>Gamma spectroscopy</subject><subject>Medicinal plants</subject><subject>NaI(Tl) detector</subject><subject>Nepal</subject><subject>Plants, Medicinal - chemistry</subject><subject>Plants, Medicinal - metabolism</subject><subject>Potassium Radioisotopes - analysis</subject><subject>Radiation Monitoring - methods</subject><subject>Radioactivity</subject><subject>radium</subject><subject>Radium - analysis</subject><subject>soil</subject><subject>Soil - chemistry</subject><subject>Soil Pollutants, Radioactive - analysis</subject><subject>Soil Pollutants, Radioactive - metabolism</subject><subject>Thorium - analysis</subject><subject>Transfer Factor</subject><subject>Transfer factor (TF)</subject><issn>0265-931X</issn><issn>1879-1700</issn><issn>1879-1700</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUFvEzEQhS0EomnhJ4B85MAGe71er08IVVAqVeICEjdrYo8rR44d7N1I_SX8XZwm9AonS_Pe-I3eR8gbztac8fHDdr3FdCjg1j3rhzZTUo7PyIpPSndcMfacrFg_yk4L_vOCXNa6ZazNp_4luRB6mLTWYkV-36YD1jncwxxyotnTBPNSIMYHmq1dSgnpnraYpi42BoeVhkQrRrQzOrpDF2xIEOk-QporheQo1JptgKNec4j1_ePUQrRLfMo5Kt2cu8c9OhdI1WOhHuycS31FXniIFV-f3yvy48vn79dfu7tvN7fXn-4626tx7hwTIzDNvUCB0m0mh1aBHCTTmnkYBqkHr3rhe-FQKzaMYoN-ZG4DoLxk4oq8O_27L_nX0powu1AtxnYU5qUaweXA1Thw_R_WXkwNDefNKk9WW3KtBb3Zl7CD8mA4M0d8ZmvO-MwRnznha3tvzxHLpjX7tPWXVzN8PBmwdXIIWEy1AZNtFEoDYlwO_4j4A1hmsiA</recordid><startdate>202412</startdate><enddate>202412</enddate><creator>Khanal, Madan</creator><creator>Acharya, Arjun</creator><creator>Maharjan, Rajesh</creator><creator>Upadhyay, Devendra Raj</creator><creator>Dhobi, Saddam Husain</creator><creator>Shah, Buddha Ram</creator><creator>Adhikari, Rameshwar</creator><creator>Mulmi, Deependra Das</creator><creator>Lamichhane, Tika Ram</creator><creator>Lamichhane, Hari Prasad</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0009-0002-9680-2982</orcidid></search><sort><creationdate>202412</creationdate><title>Investigation of naturally occurring radionuclides in selected medicinal plants and associated soils, and calculation of soil-to-plant transfer factors</title><author>Khanal, Madan ; Acharya, Arjun ; Maharjan, Rajesh ; Upadhyay, Devendra Raj ; Dhobi, Saddam Husain ; Shah, Buddha Ram ; Adhikari, Rameshwar ; Mulmi, Deependra Das ; Lamichhane, Tika Ram ; Lamichhane, Hari Prasad</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c276t-d036a091f3e3e5db8dec7a5450990fa44594f723f23de970463bef60dbaa7f503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Gamma spectroscopy</topic><topic>Medicinal plants</topic><topic>NaI(Tl) detector</topic><topic>Nepal</topic><topic>Plants, Medicinal - chemistry</topic><topic>Plants, Medicinal - metabolism</topic><topic>Potassium Radioisotopes - analysis</topic><topic>Radiation Monitoring - methods</topic><topic>Radioactivity</topic><topic>radium</topic><topic>Radium - analysis</topic><topic>soil</topic><topic>Soil - chemistry</topic><topic>Soil Pollutants, Radioactive - analysis</topic><topic>Soil Pollutants, Radioactive - metabolism</topic><topic>Thorium - analysis</topic><topic>Transfer Factor</topic><topic>Transfer factor (TF)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khanal, Madan</creatorcontrib><creatorcontrib>Acharya, Arjun</creatorcontrib><creatorcontrib>Maharjan, Rajesh</creatorcontrib><creatorcontrib>Upadhyay, Devendra Raj</creatorcontrib><creatorcontrib>Dhobi, Saddam Husain</creatorcontrib><creatorcontrib>Shah, Buddha Ram</creatorcontrib><creatorcontrib>Adhikari, Rameshwar</creatorcontrib><creatorcontrib>Mulmi, Deependra Das</creatorcontrib><creatorcontrib>Lamichhane, Tika Ram</creatorcontrib><creatorcontrib>Lamichhane, Hari Prasad</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of environmental radioactivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khanal, Madan</au><au>Acharya, Arjun</au><au>Maharjan, Rajesh</au><au>Upadhyay, Devendra Raj</au><au>Dhobi, Saddam Husain</au><au>Shah, Buddha Ram</au><au>Adhikari, Rameshwar</au><au>Mulmi, Deependra Das</au><au>Lamichhane, Tika Ram</au><au>Lamichhane, Hari Prasad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of naturally occurring radionuclides in selected medicinal plants and associated soils, and calculation of soil-to-plant transfer factors</atitle><jtitle>Journal of environmental radioactivity</jtitle><addtitle>J Environ Radioact</addtitle><date>2024-12</date><risdate>2024</risdate><volume>280</volume><spage>107556</spage><pages>107556-</pages><artnum>107556</artnum><issn>0265-931X</issn><issn>1879-1700</issn><eissn>1879-1700</eissn><abstract>This study investigated the activity concentrations of 226Ra, 232Th, and 40K and their soil-to-plant transfer factors in some medicinal plants located in Nepal. The geometric mean values of soil-to-plant transfer factors (TFs) for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively. This indicated that medicinal plants absorbed the highest amount of 40K from the soil, followed by 232Th, while 226Ra was absorbed the least. The average radium equivalent activities for medicinal plants (189 Bq/kg) and associated soils (182 Bq/kg) were within the international acceptable limit of 370 Bq/kg. According to the activity concentrations found in the medicinal plants, they do not present any radiological health hazards unless consumed in excessive quantities; however, continuous investigations are essential.
•Medicinal plants absorbed the highest amount of 40K, followed by 232Th, and 226Ra.•The average Raeq for medicinal plants and soils were within safe limit of 370 Bq/kg.•The mean TF values for 226Ra, 232Th, and 40K were 0.37, 0.96, and 3.50, respectively.•Medicinal plants pose no radiological risk unless consumed in excessive amounts.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>39489993</pmid><doi>10.1016/j.jenvrad.2024.107556</doi><orcidid>https://orcid.org/0009-0002-9680-2982</orcidid></addata></record> |
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subjects | Gamma spectroscopy Medicinal plants NaI(Tl) detector Nepal Plants, Medicinal - chemistry Plants, Medicinal - metabolism Potassium Radioisotopes - analysis Radiation Monitoring - methods Radioactivity radium Radium - analysis soil Soil - chemistry Soil Pollutants, Radioactive - analysis Soil Pollutants, Radioactive - metabolism Thorium - analysis Transfer Factor Transfer factor (TF) |
title | Investigation of naturally occurring radionuclides in selected medicinal plants and associated soils, and calculation of soil-to-plant transfer factors |
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