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How are heavy metals and pesticide residues controlled and tested?

Heavy metals by ICP-MS / AAS per ChP 2020 general method 0721: Pb <10 ppm, As <2 ppm, Hg <1 ppm; Cd and Cu reported. Pesticide residues screened by GC-MS/MS against the ChP 2025 and GB 2763 limits for edible herbs; microbial loads tested per ISO 21149/16212 (aerobic bacteria <100 CFU/g, yeast & mould <10 CFU/g). All results appear on the batch COA; third-party re-testing can be arranged on request.

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บทความนี้เผยแพร่เมื่อ 2026-09-07 และอัปเดตล่าสุดเมื่อ 2026-09-07 โดยจะมีการปรับปรุงเนื้อหาอย่างต่อเนื่อง

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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.