| 摘要 |
The present invention provides crystals of glutathione oxidized n hydrate (wherein n is an integer or a fraction of not less than 0 and less than 8) useful, for example, as final products of, as raw materials for, or as intermediates of health foods, pharmaceuticals, cosmetics or the like, and a process for producing crystals of glutathione oxidized, which comprises a step of crystallizing glutathione oxidized from a mixture of an aqueous solution containing glutathione oxidized and a water-miscible organic solvent and which is suitable for large-scale synthesis or industrialization.
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