AAS/ICP-MS: Pb ≤5–10, Cd ≤1, As ≤2, Hg ≤0.2, Cu ≤20 mg/kg; pesticides per GB 2763; aflatoxin B1 ≤5 μg/kg (T/CNHFA 111.28—2024).

Halal and Kosher certification available on request; plant-derived, alcohol-free CO2/steam process; certificate ships with batch documents.

Food-grade per GB 1886.171—2016 (ref) and T/CNHFA 111.28—2024 (ferulic acid ≥0.10%, ligustilide ≥1.0%, SO2 ≤30 mg/kg, aflatoxin B1 ≤5 μg/kg).

Priced by grade/process: steam-distilled baseline, CO2 premium (ligustilide ≥10%, 1.5–2.5×), high-marker and certified tiers quoted per spec; FOB Shanghai/Ningbo/Qingdao.

Suitable as a cosmetic/fragrance ingredient under US FD&C regulations (CAS 84929-67-9); not offered for food/supplement use.

Steam distillation is traditional; supercritical CO2 (CN106138135A, 40 MPa, 60°C) is preferred for premium grades, reaching ligustilide ≥10% (HPLC) with 1.8–2.3% oil yield.