2010
DOI: 10.1016/j.foodres.2010.08.010
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Trace elements in tea leaves, made tea and tea infusion: A review

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Cited by 353 publications
(234 citation statements)
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References 143 publications
(211 reference statements)
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“…In this case, the ingestion of a capsule containing 500 mg of leaves with the maximum value obtained by Reissmann et al (1999) would contribute 83% of the RDA for Mn. This would also apply to black tea leaves, they can reach similar Mn levels (174-3154 mg kg -1 ) (Karak;Bhagat, 2010). On the other hand, considering the TUI of elements, only the Ba (1.49%) in the leaves showed a contribution higher than 1% in our study, therefore, an insignificant intake of undesirable elements.…”
Section: Resultssupporting
confidence: 50%
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“…In this case, the ingestion of a capsule containing 500 mg of leaves with the maximum value obtained by Reissmann et al (1999) would contribute 83% of the RDA for Mn. This would also apply to black tea leaves, they can reach similar Mn levels (174-3154 mg kg -1 ) (Karak;Bhagat, 2010). On the other hand, considering the TUI of elements, only the Ba (1.49%) in the leaves showed a contribution higher than 1% in our study, therefore, an insignificant intake of undesirable elements.…”
Section: Resultssupporting
confidence: 50%
“…In proteins, N, S, P, Fe, Zn and Se are the quantitatively most important elements, for being part of the protein structure, but the charge residues in the chemical groups of proteins also enable the retaining of elements (Koolman et al, 2005). Karak and Bhagat (2010) reported that polyphenols were another group of biomolecules capable of retaining elements, especially metals. In this sense, lower protein and polyphenol content could reduce the bond strength of some elements, making these elements more water soluble in yerba mate fruits.…”
Section: Resultsmentioning
confidence: 99%
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“…31,32 As concentrações obtidas para Ca, Cu, Fe, Mg, Mn e Zn nos chás variaram de 0,3-2,4%; 0,55-2,1 μg g 28 Vale ressaltar que neste estudo foi usado apenas 1,0 g de planta seca para 25 mL de água desionizada para fins experimentais. Sendo assim, pode-se estimar que em uma xícara de chá (200 mL) a população amazônica pode consumir cerca de 4,0 a 8,0 g de folha seca por dia.…”
Section: Encontrados Nos Digeridos De Insulina (Ind) Peão Branco (Peunclassified
“…Nevertheless, despite some controversy, studies from various parts of the world have reported the presence of Cd and/or Pb in foods such as cereals, meat and animal viscera and in teas, in amounts that could be toxic to man [7][8][9][10] . Many of these foods are considered appropriate and integrate hospital diets, such as bread, fish and teas.…”
Section: Introductionmentioning
confidence: 99%