| 摘要 |
PCT No. PCT/JP79/00174 Sec. 371 Date Mar. 4, 1980 Sec. 102(e) Date Sep. 17, 1979 PCT Filed Jul. 2, 1979.A highly concentrated aqueous composition of a dopa which comprises a dopa and at least one amino acid selected from the group consisting of methionine, proline, hydroxyproline, serine, threonine, valine, arginine, lysine, histidine and ornithine. Said composition having a concentration of said amino acid of 1-300 mg per ml of said aqueous solution of a dopa compound.
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