You can also extract lemon juice with a citrus reamer, remove the seeds and then add 2 tablespoons of rosewater. Mix the lemon juice and rosewater together and your tonic will be more fragrant.

或者你还可以用榨汁机将柠檬榨成汁，加两勺玫瑰水，这可以让你的调理水味道更好闻。

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You could also try adding pure lemon extract and a drop of yellow food colour in place of the rosewater and pink colouring.

你也可以尝试添加纯柠檬香精和一滴黄色食用色素，而不是玫瑰水和粉色色素。

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Objective To study antimicrobial and fresh-maintaining effects of lemon extract.

目的研究柠檬提取物抗微生物和保鲜作用。

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