A natural plant extract manufacturer and OEM/ODM partner
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How do you guarantee purity and authenticity of longan-concrete?

Authenticity is guaranteed by

  • Q/XXXX conformance and
  • Per-batch HPLC for sugars and GC for the fruity-floral volatile fingerprint plus GC/MS fingerprint plus targeted adulterant screening plus the COA species + "Dimocarpus longan Lour.

(longan) species-specific raw material" declaration. Top does not spike with cheaper substitutes or synthetic mimics.

The HPLC for sugars and GC for the fruity-floral volatile fingerprint is the authenticity proof. Lots failing the profile or the limits are blocked.

For high-assurance needs we offer third-party verification. Purity claims always tie back to the lot's own data — no unsupported matches-standard language.

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This article was published on 2026-09-22, and last updated on 2026-09-22. The article will be continuously updated.

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Guilin Four Seasons Sunshine

sales@essentialoilsfactory.com
86 13367530509

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. test

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