| 摘要 |
PROBLEM TO BE SOLVED: To obtain a mineral composition containing theanine, having an improved metallic taste. SOLUTION: This mineral composition comprises theanine. Theanine can be prepared by synthesis from glutamine and ethylamine with a glutaminase enzyme or from an extracted solution of tea leaves. The mineral composition is an iron composition, a magnesium composition, a copper compound, a zinc composition, a selenium composition or a calcium composition.
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