The plant material is washed in a solvent, typically hexane, which dissolves the essential oils and other aromatic compounds. The method chosen is never arbitrary; it is dictated by the plant's physical structure, the chemistry of the desired compound, and the intended application of the final product.
From Plant to Bottle: The Journey of Essential Oils
For many essential oils, a period of aging in inert containers like steel or glass is beneficial. This maturation allows the harsh notes to mellow and the complex profile to harmonize, resulting in a smoother, more balanced final product.
Absolutes retain the true scent profile of the flower more accurately than their steam-distilled counterparts and are a cornerstone of perfumery. Trained professionals assess the oil using organoleptic testing, evaluating its color, viscosity, and, most importantly, its aroma.
From Plant to Bottle: The Journey of Essential Oils
Rigorous quality control is then essential. In this process, steam is passed through the plant material, such as lavender flowers or peppermint leaves.
More About How are essential oils made
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