GTBT possessed a high safety and had no genetic toxicity.
绿茶口含片无遗传毒性，食用安全性高。
Both animal experiment and clinical experiment indicated that GTBT had a throat-clearing function.
动物实验和临床实验表明绿茶口含片具有清咽保健功效。
Objective: To investigate the throat-clearing function of Green Tea Buccal Tablets (GTBT) on human clinical experiment.
目的：检测绿茶口含片的临床清咽功能。
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