Aromatherapy Certification 2025 – 400 Free Practice Questions to Pass the Exam

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Which part of the plant is often used to extract essential oils from citrus fruits?

The root

The stem

The peel

Essential oils from citrus fruits are primarily extracted from the peel because it contains a high concentration of aromatic compounds and volatile oils. The process of extraction commonly involves methods such as cold pressing or steam distillation, both of which effectively release the essential oils held in the tiny oil glands located in the outer layer of the peel. Citrus peels, rich in terpenes and other bioactive constituents, are responsible for the distinctive scents associated with fruits like oranges, lemons, limes, and grapefruits. This characteristic makes the peel the most favorable part of the plant for essential oil extraction, contributing not only to the fragrance but also to the potential therapeutic benefits of the resulting oils. Other parts of the plant, such as the root, stem, or flower, do not contain the same concentration or variety of aromatic compounds as the peel, making them less suitable for this purpose.

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The flower

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