| abstract |
The invention relates to an oral liquid preparation which includes the Swertia herb extract as the active components, selected from Japanese herba swertiae dilutae extract, ginger extracts, ginseng extracts, curcuma extracts, cassia oil, clove oil, anise oil or chloridized carnitine, and has a pH adjusted to 4-7. The oral liquid preparation of the invention can retain the efficacy of the preparation for a long period of time because the active components in the Swertia herb extract are preserved stably for a long period of time. |