| 摘要 |
Storing monatin or a salt thereof in the presence of a radical scavenger and/or in a UV light-shielding container is effective for preventing the decomposition of monatin or a salt thereof by exposure to ultraviolet light, particularly under acidic conditions. Sweetener compositions which contain monatin or a salt thereof and a radical scavenger, a colorant, caffeine and the like are resistant to decomposition by UV light.
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