The flesh of lemons is the basic ingredient for the juice, and is characteristic of a high level of vitamin C and flavor. The juice is around pH 3.2, with 6~7 % of acid, also containing citrus acid and a little bit of malic acid and aconitic acid. There’s 1~3 % of sugar, and the citral, limonene, and pinene is the cause of the strong scent.
The juice is used for flavoring various drinks and as a scent for various make-up tools. It is also effective for the common cold, headache, and urethritis.