| 摘要 |
A preparation for oral administration which comprises S-(3-hydroxypropyl)-L-cysteine and one or more excipients, where the excipients do not cause discoloration of S-(3-hydroxypropyl)-L-cysteine is disclosled. According to an embodiment of the invention, the excipient may comprise a starch and/or a cyclodextrin. Typical starches used in the invention include corn starch, potato starch, wheat starch, and rice starch. Typical cyclodextrins used in the invention include alpha-cyclodextrin, beta-cyclodextrin, and gamma-cyclodextrin. Other excipients, such as saccharides, sugar alcohols and cellulose are not present in amounts that cause discoloration of the HPCY.
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