The invention provides an improved sustained release carrier of acid or alkali components, which can regulate local pH of a gastrointestinal system.
本发明提供一种改进的酸或碱性成份的缓释体，可调节胃肠系统局部的酸碱度。
The invention provides an improved sustained release carrier of acid or alkali components, which can regulate local pH of a gastrointestinal system.
本发明提供一种改进的酸或碱性成份的缓释体，可调节胃肠系统局部的酸碱度。
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