| 1 | Turpentine Essential Oil | Essential oil | Oleoresin of pine trees, especially species of Pinus | α-Pinene, β-pinene, limonene and related monoterpenes | Southern and southwestern pine-producing regions, including Guangxi, Yunnan and Guangdong | Steam distillation of pine oleoresin | Fragrance intermediates, industrial solvents, pine-chemical derivatives and research applications | α-Pinene/β-pinene profile, optical rotation, density, refractive index, color, moisture and residue |
| 2 | Cedarwood Essential Oil | Essential oil | Wood of Juniperus or other accepted cedarwood-producing species | Sesquiterpenes such as cedrol, cedrene and thujopsene; profile varies by species | Forested regions in southwest and northwest China, depending on botanical source | Steam distillation of wood or wood residues | Fragrance, soap, cosmetics, household products and aroma formulations | Botanical identity, cedrol content, density, refractive index, color, odor and absence of adulterants |
| 3 | Eucalyptus Essential Oil | Essential oil | Leaves of Eucalyptus globulus and other Eucalyptus species | 1,8-Cineole, α-pinene, limonene and globulol, depending on species | Yunnan, Sichuan, Guangxi and other subtropical planting areas | Steam distillation of fresh or partially dried leaves | Personal-care products, inhalation products, cleaning products, flavor and fragrance applications | 1,8-Cineole level, density, refractive index, optical rotation, chromatographic profile and freshness |
| 4 | Peppermint Essential Oil | Essential oil | Leaves and flowering tops of Mentha × piperita | Menthol, menthone, menthyl acetate, 1,8-cineole and limonene | Xinjiang, Gansu, Jiangsu and other mint-growing areas | Steam distillation of the aerial parts | Oral-care products, confectionery, flavoring, cosmetics and topical formulations | Menthol/menthone ratio, total ketones, optical rotation, density, pesticide residues and sensory profile |
| 5 | Spearmint Essential Oil | Essential oil | Leaves and flowering tops of Mentha spicata or related spearmint cultivars | Carvone, limonene, 1,8-cineole and dihydrocarvone | Jiangsu, Anhui, Henan and other temperate agricultural areas | Steam distillation of the aerial parts | Toothpaste, chewing gum, confectionery, beverages, personal care and fragrance products | Carvone content, limonene content, density, refractive index, odor and chromatographic authenticity |
| 6 | Litsea Cubeba Essential Oil | Essential oil | Fruits of Litsea cubeba, commonly known as may chang | Citral, limonene, β-pinene, linalool and geraniol | Hunan, Jiangxi, Guangdong, Guangxi and Yunnan | Steam distillation of ripe or semi-ripe fruits | Citrus fragrances, flavors, soaps, detergents, cosmetics and aroma products | Total citral, neral/geranial ratio, density, refractive index, acid value and oxidation status |
| 7 | Ginger Essential Oil | Essential oil | Rhizomes of Zingiber officinale | α-Zingiberene, ar-curcumene, β-sesquiphellandrene, camphene and citral | Shandong, Yunnan, Sichuan and Guangdong | Steam distillation of dried or fresh rhizomes | Food flavoring, beverages, fragrances, cosmetics and wellness formulations | Sesquiterpene profile, density, refractive index, ginger odor, moisture and residual solvent status |
| 8 | Star Anise Essential Oil | Essential oil | Fruits of Illicium verum | Anethole, limonene, linalool, α-pinene and β-phellandrene | Guangxi, Yunnan, Guangdong and Fujian | Steam distillation of dried star anise fruits | Flavoring, confectionery, beverages, fragrance and traditional aromatic preparations | Anethole content, botanical authentication, safrole level, density, refractive index and food-grade compliance |
| 9 | Cinnamon Leaf Essential Oil | Essential oil | Leaves and young twigs of Cinnamomum cassia or related cinnamon species | Eugenol, cinnamaldehyde, linalool, cinnamyl acetate and β-caryophyllene | Guangxi, Guangdong, Yunnan and Fujian | Steam distillation of leaves and small branches | Fragrance, flavoring, oral-care products, soaps and household formulations | Eugenol/cinnamaldehyde profile, coumarin and cinnamaldehyde controls, density, color and allergen declaration |
| 10 | Sweet Orange Essential Oil | Essential oil | Peels of Citrus sinensis | d-Limonene, myrcene, α-pinene, linalool and valencene | Hunan, Hubei, Jiangxi, Sichuan and Guangxi | Cold expression, centrifugation or steam distillation of peel | Beverages, confectionery, fragrances, cleaning products and cosmetics | d-Limonene content, aldehyde profile, peroxide value, refractive index, optical rotation and pesticide residues |