Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude

Lilian Seiko Kato; Elisabete A. de Nadai Fernandes; Andrea Raab; Márcio Arruda Bacchi; Joerg Feldmann

doi:10.1016/j.foodchem.2019.02.043

Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude

Lilian Seiko Kato^* (Corresponding Author), Elisabete A. de Nadai Fernandes^* (Corresponding Author), Andrea Raab^* (Corresponding Author), Márcio Arruda Bacchi^* (Corresponding Author), Joerg Feldmann^* (Corresponding Author)

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

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Abstract

Brazil is a major producer of rice, but there is not enough information about As and Cd in rice grown under different conditions in this country. Here, As and Cd were determined by ICP-MS and species of As by HPLC-ICP-MS in Brazilian husked rice, covering diverse cultivars and regions, as well as upland and flooded production systems. Significant differences were observed for both elements contents according to the origin of rice. All samples were below the maximum limit for Cd (400 µg/kg) set by national legislation, while nine samples presented total As above the legislation limit (300 µg/kg). From 24 samples analyzed for As species, 42% showed iAs above the European limit for production of food to infants (100 µg/kg). The total As content in samples from Mato Grosso state presented a maximum value of 6 µg/kg, which combined with low Cd content make interesting further studies.

Chemical compounds: Arsenic, inorganic arsenic (PubChem CID: 5359596), Cadmium (PubChem CID: 23973), Dimethylarsinic acid (PubChem CID: 2513), monomethylarsonic acid (PubChem CID: 8948)

Original language	English
Pages (from-to)	644-650
Number of pages	7
Journal	Food Chemistry
Volume	286
Early online date	19 Feb 2019
DOIs	https://doi.org/10.1016/j.foodchem.2019.02.043
Publication status	Published - 15 Jul 2019

Bibliographical note

Acknowledgements
The authors wish to thank the National Council for Scientific and Technological Development (CNPq) and Coordination for the Improvement of Higher Education Personnel (CAPES) for the financial support.

Keywords

ICP-MS
HPLC
inorganic arsenic
arsenic speciation
rice cultivars
flooded production
upland production
Arsenic speciation
Rice cultivars
Upland production
Flooded production
Cadmium (PubChem CID: 23973)
Arsenic, inorganic arsenic (PubChem CID: 5359596)
Monomethylarsonic acid (PubChem CID: 8948)
Dimethylarsinic acid (PubChem CID: 2513)
Inorganic arsenic
Humans
Infant
Chromatography, High Pressure Liquid
Food Contamination/analysis
Infant Food/analysis
Cadmium/analysis
Food Analysis/methods
Mass Spectrometry
Brazil
Oryza/chemistry
Maximum Allowable Concentration
Arsenic/analysis

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© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Accepted author manuscript, 650 KBLicence: CC BY-NC-ND

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Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude. / Kato, Lilian Seiko (Corresponding Author); de Nadai Fernandes, Elisabete A. (Corresponding Author); Raab, Andrea (Corresponding Author) et al.
In: Food Chemistry, Vol. 286, 15.07.2019, p. 644-650.

Research output: Contribution to journal › Article › peer-review

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title = "Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude",

abstract = "Brazil is a major producer of rice, but there is not enough information about As and Cd in rice grown under different conditions in this country. Here, As and Cd were determined by ICP-MS and species of As by HPLC-ICP-MS in Brazilian husked rice, covering diverse cultivars and regions, as well as upland and flooded production systems. Significant differences were observed for both elements contents according to the origin of rice. All samples were below the maximum limit for Cd (400 µg/kg) set by national legislation, while nine samples presented total As above the legislation limit (300 µg/kg). From 24 samples analyzed for As species, 42% showed iAs above the European limit for production of food to infants (100 µg/kg). The total As content in samples from Mato Grosso state presented a maximum value of 6 µg/kg, which combined with low Cd content make interesting further studies. Chemical compounds: Arsenic, inorganic arsenic (PubChem CID: 5359596), Cadmium (PubChem CID: 23973), Dimethylarsinic acid (PubChem CID: 2513), monomethylarsonic acid (PubChem CID: 8948)",

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author = "Kato, {Lilian Seiko} and {de Nadai Fernandes}, {Elisabete A.} and Andrea Raab and Bacchi, {M{\'a}rcio Arruda} and Joerg Feldmann",

note = "Acknowledgements The authors wish to thank the National Council for Scientific and Technological Development (CNPq) and Coordination for the Improvement of Higher Education Personnel (CAPES) for the financial support.",

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doi = "10.1016/j.foodchem.2019.02.043",

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T1 - Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude

AU - Kato, Lilian Seiko

AU - de Nadai Fernandes, Elisabete A.

AU - Raab, Andrea

AU - Bacchi, Márcio Arruda

AU - Feldmann, Joerg

N1 - Acknowledgements The authors wish to thank the National Council for Scientific and Technological Development (CNPq) and Coordination for the Improvement of Higher Education Personnel (CAPES) for the financial support.

PY - 2019/7/15

Y1 - 2019/7/15

N2 - Brazil is a major producer of rice, but there is not enough information about As and Cd in rice grown under different conditions in this country. Here, As and Cd were determined by ICP-MS and species of As by HPLC-ICP-MS in Brazilian husked rice, covering diverse cultivars and regions, as well as upland and flooded production systems. Significant differences were observed for both elements contents according to the origin of rice. All samples were below the maximum limit for Cd (400 µg/kg) set by national legislation, while nine samples presented total As above the legislation limit (300 µg/kg). From 24 samples analyzed for As species, 42% showed iAs above the European limit for production of food to infants (100 µg/kg). The total As content in samples from Mato Grosso state presented a maximum value of 6 µg/kg, which combined with low Cd content make interesting further studies. Chemical compounds: Arsenic, inorganic arsenic (PubChem CID: 5359596), Cadmium (PubChem CID: 23973), Dimethylarsinic acid (PubChem CID: 2513), monomethylarsonic acid (PubChem CID: 8948)

AB - Brazil is a major producer of rice, but there is not enough information about As and Cd in rice grown under different conditions in this country. Here, As and Cd were determined by ICP-MS and species of As by HPLC-ICP-MS in Brazilian husked rice, covering diverse cultivars and regions, as well as upland and flooded production systems. Significant differences were observed for both elements contents according to the origin of rice. All samples were below the maximum limit for Cd (400 µg/kg) set by national legislation, while nine samples presented total As above the legislation limit (300 µg/kg). From 24 samples analyzed for As species, 42% showed iAs above the European limit for production of food to infants (100 µg/kg). The total As content in samples from Mato Grosso state presented a maximum value of 6 µg/kg, which combined with low Cd content make interesting further studies. Chemical compounds: Arsenic, inorganic arsenic (PubChem CID: 5359596), Cadmium (PubChem CID: 23973), Dimethylarsinic acid (PubChem CID: 2513), monomethylarsonic acid (PubChem CID: 8948)

KW - ICP-MS

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KW - arsenic speciation

KW - rice cultivars

KW - flooded production

KW - upland production

KW - Arsenic speciation

KW - Rice cultivars

KW - Upland production

KW - Flooded production

KW - Cadmium (PubChem CID: 23973)

KW - Arsenic, inorganic arsenic (PubChem CID: 5359596)

KW - Monomethylarsonic acid (PubChem CID: 8948)

KW - Dimethylarsinic acid (PubChem CID: 2513)

KW - Inorganic arsenic

KW - Humans

KW - Infant

KW - Chromatography, High Pressure Liquid

KW - Food Contamination/analysis

KW - Infant Food/analysis

KW - Cadmium/analysis

KW - Food Analysis/methods

KW - Mass Spectrometry

KW - Brazil

KW - Oryza/chemistry

KW - Maximum Allowable Concentration

KW - Arsenic/analysis

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UR - http://www.mendeley.com/research/arsenic-cadmium-contents-brazilian-rice-different-origins-vary-more-two-orders-magnitude

U2 - 10.1016/j.foodchem.2019.02.043

DO - 10.1016/j.foodchem.2019.02.043

M3 - Article

C2 - 30827659

SN - 0308-8146

VL - 286

SP - 644

EP - 650

JO - Food Chemistry

JF - Food Chemistry

ER -

Arsenic and cadmium contents in Brazilian rice from different origins can vary more than two orders of magnitude

Abstract

Bibliographical note

Keywords

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