Thymus piperella

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Common products:
- Essential oil, obtained by hydrodistillation of the aerial parts (leaves, stems, and flowering tops).
- Dried herb, marketed as a specialty culinary herb for savory dishes.

Food and beverages (non‑medicinal):
- The essential oil is used as a natural flavoring ingredient in processed foods such as sauces, snack mixes, and meat products, providing a characteristic thyme‑like aroma.
- Dried leaf material can be incorporated as a spice in herb blends for seasoning.

Industrial and craft applications:
- The oil is incorporated into fragrance compositions for soaps, detergents, candles, and air‑fresheners, where its herbaceous‑spice profile adds depth to scent accords.
- It also serves as a component in craft perfume formulations and in natural cosmetic bases.

Fragrance and cosmetics:
- The oil’s high content of thymol (≈30–60 %) and carvacrol (≈10–30 %) imparts a strong, fresh, medicinal‑herbaceous note, making it valuable for perfume bases and for scented personal‑care products.

Scientific and model‑organism use:
- Thymus piperella has been employed in phytochemical research as a reference material for gas chromatography–mass spectrometry (GC‑MS) profiling of thyme oils, and its oil composition is used as a benchmark in studies of terpene biosynthesis in the Lamiaceae family.

Properties relevant to use:
- The oil is a light‑yellow liquid with a specific gravity of 0.90–0.95, a refractive index of 1.48–1.50, and typical acid values ≤ 2 mg KOH g⁻¹ and ester values ≤ 10 mg KOH g⁻¹, meeting the specifications of ISO 3215 for thyme‑derived essential oils.
- Its phenol‑rich profile confers a strong aroma that remains stable in alcoholic and lipidic fragrance solvents.

Standards and regulation:
- Thymus piperella essential oil conforms to ISO 3215 (Thyme oil – Specification), which defines density, refractive index, acid value, and ester value for thyme‑derived oils used in the flavor and fragrance industry.
- In the European Union, its use as a flavoring is regulated under EC No 1334/2008, and the oil must comply with IFRA guidelines for fragrance materials.

Sustainability and sourcing:
- The species occurs naturally in Mediterranean maquis and scrub habitats, notably in Sardinia, Sicily, and parts of the Balearic Islands.
- Commercial collection is currently limited to wild harvesting; sustainable practices such as selective cutting, periodic rest periods, and population monitoring are recommended to prevent depletion.
- Cultivation trials have shown feasibility, offering a pathway to reduce pressure on wild populations while meeting market demand.

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No reference genome is available on NCBI yet. We are constantly monitoring for new data.

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