| 摘要 |
An effervescent sub-lingual type composition, optionally in tablet form, comprising at least one active ingredient, one ore more fruit acids, and one or more effervescing alkalis, wherein at least the acid component(s) have been coated with protective layer of polydimethylsiloxane that substantially minimizes contact between the acid(s) and atmospheric moisture until the composition is purposely mixed with water or is used sub-lingually. A method of preparation of the effervescent compositions is also dislcosed.
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