Free and bound amino acids, minerals and trace elements in matcha (Camellia sinensis L.): A nutritional evaluation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F20%3A63526133" target="_blank" >RIV/70883521:28110/20:63526133 - isvavai.cz</a>
Alternative codes found
RIV/70883521:28150/20:63526133
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0889157520303896" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0889157520303896</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jfca.2020.103581" target="_blank" >10.1016/j.jfca.2020.103581</a>

Result language
angličtina
Original language name
Free and bound amino acids, minerals and trace elements in matcha (Camellia sinensis L.): A nutritional evaluation
Original language description
This study provides an overview of free and bound amino acids, minerals and trace elements content in matcha including evaluation of their dietary intakes. The analyses employed IEC and ICP-MS methods. Theanine followed by Glu, GABA, Thr and Me were the most abundant free amino acids. Considering bound amino acids, Glu, Asp, Leu, Lys, Arg and Val were the most frequent. The amino acid score (AAS) for matcha (40.2 %) is comparable to the AAS for wheat and sunflower proteins. Ile and Thr were evaluated as limiting amino acids. Regarding recommended daily allowance (RDA), the contributions of Cys and Met were up to 8%. Matcha is contributor to Adequate Intake (AI) or RDA for males in the following order: Mn (up to 15 %) > Cu > Fe (up to 7%). Similarly, for females, matcha contributes to RDA or AI values in this order: Mn (up to 19 %) > Cu > Zn (up to 5%). It has not been proved that matcha is a significant source of Se and Cr. A daily serving portion of 5 g does not contribute to PTWI (Provisional tolerable weekly intake) and PTMI (Provisional tolerable monthly intake) for Al, Sn, Cd and Hg.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
21101 - Food and beverages

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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