Raw Material Introduction｜Lemon

▎Essential Oil Introduction

Lemon (Citrus limon), native to India, is an evergreen plant that can grow up to 6 meters tall. Its leaves are pale green with serrated edges, and its fruit is oval-shaped, turning yellow when ripe. Depending on the variety, the fruit's skin can be smooth or rough, and the flowers may be pink or white.

The English word "lemon" comes from the Arabic "laimun" or Persian "limun." The lemon tree was introduced to Europe by Crusaders during the Middle Ages. Its fruit is rich in vitamins A, B, and C. Essential oil is extracted from the fruit's peel, but its composition differs from that of fresh lemon juice. The beauty of lemons is also used to symbolize the youthful and refreshing appearance of the Roman goddess Juventas.

Lemon essential oil is primarily extracted using cold pressing. Essential oil extracted via steam distillation does not contain furanocoumarins, and the aromas and components of the two methods differ. Cold-pressed lemon oil retains the original scent of the lemon peel, and its color ranges from pale to yellow-green, gradually turning brown over time.

▎Component Analysis

｜Main component: Monoterpenes

Its components include limonene, β-pinene, γ-terpinene, α-terpineol, α-pinene, p-cymene, sabinene, β-caryophyllene, and neryl acetate. Additionally, it contains trace amounts of non-volatile phototoxic compounds, such as oxypeucedanin, bergamottin, and bergapten.

｜Research Validation

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▎References

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