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Do you test for heavy metals and pesticide residues?

Yes — every batch of this bergamot oil is tested for heavy metals, and pesticide residue testing is available on request (or as a standard test for EU/Japan-destined shipments).

Testing Program

TestTypical limitsMethod
Lead (Pb)≤2 mg/kgICP-MS / AAS
Arsenic (As)≤2 mg/kgICP-MS / AAS
Cadmium (Cd)≤1 mg/kgICP-MS / AAS
Mercury (Hg)≤1 mg/kgICP-MS / AAS
Pesticide residuesPer EU 396/2005 / Japan positive listGC-MS/MS multi-residue
Furocoumarins (bergapten)≤1 ppm (FCF grade)HPLC (GB/T 45139-2024)
  • Cold-pressed citrus peel oils can carry pesticide residues, so EU-bound shipments are routinely screened against EU MRLs
  • GB/T 45139-2024 (= ISO 7358:2021) HPLC method is used for the quantitative determination of bergapten content
  • For the BFCF (bergapten-free) cosmetic grade, bergapten is verified at ≤1 ppm on every batch
  • Full third-party testing (SGS, Eurofins) can be arranged at cost for certification purposes

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This article was published on 2026-09-07, and last updated on 2026-09-29. The article will be continuously updated.