It is rich in vitamin c, and has an efficiency of reducing pathogenic fire and helping produce saliva and slake thirst. It can be used to brew tea and make drinks with its sour flavor.

且含有丰富的维生素c，有清凉降火、生津止渴的功效，可以用来冲泡茶和制作饮料，其味酸。

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Many older people make a daily brew of mountain tea from dried herbs such as sage, thyme, mint, and chamomile, and sweeten it with honey from local bees.

BBC: The Greek island of old age