FAQ Header

How are heavy metals and pesticide residues controlled in this white michelia oil?

Heavy metals and pesticide residues are routinely screened per the applicable pharmacopoeia/industry reference limits, and results are reported per batch.

Safety Testing

ParameterControl
Heavy metalsTested per Chinese Pharmacopoeia methods (Pb, As, Cd, Hg limits)
Pesticide residuesRoutine screening on incoming flowers; multi-residue scans on request
Food-grade (China)Additional limits per GB 1886.275-2016 food-additive requirements
ReportingResults appended to the batch COA
  • Raw material is harvested from managed flower plantations in southern China with controlled cultivation input
  • ICP-MS full metal panels and expanded pesticide lists can be arranged for export markets
  • For food-flavoring use in China the batch must also satisfy the food-additive standard's safety requirements

Tell us your target market's required limits and we will align the test panel accordingly.

Relate Products

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

Logo

Guilin Four Seasons Sunshine

Founded in 2006, Guilin Four Seasons Sunshine F&F Co., Ltd. is a natural plant extract manufacturer and OEM/ODM partner in Guilin, China, combining proprietary Living-Fragrance physical extraction with supercritical fluid extraction to deliver pure, traceable botanical ingredients to global food, flavor, fragrance and personal care brands.