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Which production standards does this zedoary turmeric oil comply with?

Zedoary turmeric oil is produced and released against a three-layer standard system: the Chinese Pharmacopoeia 2025 (Vol. I) monograph as the core medicinal standard, the Zhejiang Manufacturing group standard T/ZZB 1267-2019 for production quality, and GB 2760-2024 plus ISO 4720:2018 for food-flavour naming and use.

Standards Overview

StandardScopeKey requirement
Chinese Pharmacopoeia 2025 (Vol. I, p.412)Medicinal zedoary oilDensity 0.970-0.990; germacrone ≥7.5%; furanodiene ≥10.0%; fingerprint ≥0.95
T/ZZB 1267-2019Zhejiang 'Made in China' group standardGMP production, D-class filling, 96-102 C distillation ≤24 h
GB 2760-2024Food-use natural flavourCurcuma oil listed as food natural flavouring (FEMA 3085)
ISO 4720:2018 / GB/T 39009-2020Essential oil nomenclatureOfficial naming of Curcuma spp. oils

How We Implement Them

  • Raw material: Dao-di Wenzhou Wen-ezhu or Guangxi zedoary checked against pharmacopoeia rhizome requirements; process water meets GB 5749
  • Production: GMP environment, contact parts in 316L stainless steel, D-class clean filling for medicinal grade
  • Testing: complete pharmacopoeia methods 0601/0621/0622 (density, rotation, RI), 0502 (TLC), 0512 (HPLC), 0821 (heavy metals), 0822 (arsenic)
  • Documentation: each batch COA states the executed standard; customer-specific standards can be added if volumes justify

Which Grade To Choose

  • Pharmacopoeia grade: for TCM pharmaceutical and regulated health products
  • Fragrance/food-flavour grade: for perfumery, cosmetics and food-flavour applications with the wider enterprise ranges
  • Tell us your final market at inquiry so we release the correct grade with the matching COA

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