Turmeric products: Evaluation of curcumin and trace elements

[Display omitted] •Assessment of curcumin and trace elements in turmeric capsules marketed in Brazil.•Different formulation: 30% turmeric only, 43% with pepper, 27% other ingredients.•Curcumin content widely ranges from 0.03 to 37.6 g/100 g.•Levels of Cd, Pb and As were in agreement with the establi...

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Published in:Food research international 2024-11, Vol.196, p.115028, Article 115028
Main Authors: Andrekowisk Fioravanti, Maria Isabel, Peixoto Pizano, Fernanda, Rebellato, Ana Paula, Milani, Raquel Fernanda, Morgano, Marcelo Antonio, Pavesi Arisseto Bragotto, Adriana
Format: Article
Language:English
Subjects:
Curcuma - chemistry
Curcumin - analysis
Curcumin - chemistry
Food Analysis
Food supplements
Humans
ICP-MS
Inorganic Contaminants
Trace Elements - analysis
Traditional Chinese medicine
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Summary:[Display omitted] •Assessment of curcumin and trace elements in turmeric capsules marketed in Brazil.•Different formulation: 30% turmeric only, 43% with pepper, 27% other ingredients.•Curcumin content widely ranges from 0.03 to 37.6 g/100 g.•Levels of Cd, Pb and As were in agreement with the established limits.•Curcumin exposure below 50% ADI; trace elements exposure was low. Turmeric (Curcuma longa L.) is valued for its coloring properties, flavor enhancement, functionality, as well as antioxidant and anti-inflammatory effects, which help prevent various diseases. This study aimed to evaluate the levels of curcumin and trace elements (Cr, Co, Ni, As, Mo, Cd, Sb, Ba, Hg, and Pb) in 30 samples of turmeric capsules. The quantification of curcumin was performed by spectrophotometry, with results ranging from 0.03 g/100 g to 37.6 g/100 g. The concentration of trace elements was determined by ICP-MS after acid digestion of the samples. Except for the elements Sb and Hg, which showed levels below the quantification limits (0.002 and 0.008 mg/kg, respectively), the results were: Cr (
ISSN:0963-9969
1873-7145
1873-7145
DOI:10.1016/j.foodres.2024.115028