
Pure Kavalactones
Source: Dried root of Piper methysticum
CAS No.: 9000-38-8
Specification: Kavalactones ≥30%; Water-soluble Kava Extract available
Test Method: HPLC
Appearance: Brownish-yellow fine powder with rich aromatic odor
Mesh Size: 80 mesh
Pure Kavalactones Supplier
Sost Biotech implement strict quality control in accordance with internal enterprise standards. Each batch is tested precisely by HPLC to guarantee consistent kavalactones content, uniform composition and stable batch-to-batch quality, avoiding adulteration and substandard purity. We select high-quality kava root materials from premium planting areas, including domestic sources in Shaanxi & Yunnan and imported raw materials. The production workflow includes cleaning, drying, crushing, extraction, purification and spray drying. Full traceability is available throughout the whole process.
As a direct botanical extract manufacturer, we support bulk orders with competitive factory-direct pricing. Custom service is available. Complete COA is supplied for each batch with full traceability. We also provide professional technical consultation, sample delivery and after-sales support to assist your formulation, production and listing.
Special Services

Kava Extract Pure Kavalactones 30%
There is a large quantity of Pure Kavalactones in stock in American overseas warehouse.
We support fast delivery to special areas at reasonable prices.Please contact us if you need to order~
Email:info@sostherbusa.com
Click to consult sample service/custom service
Product Application
Kavalactones are widely applied in pharmaceutical, health supplement, food, cosmetic and research industries.
Pharmaceutical & Health Supplement Industry Kavalactones are commonly used ingredients for functional health products and dietary supplements, well-received across European and American markets.
Food & Beverage Industry Kavalactones are the main active components of the traditional kava beverage originating from the South Pacific, extracted from the roots of Piper methysticum. Kava extract can also be applied as a functional food additive in food and beverage formulations.
Cosmetic Industry As a plant-sourced ingredient, kava extract is formulated into premium skincare products. It aligns with the prevailing clean beauty trend.
Contact us for testing information
Third-Party Test Report

COA
|
Product Name: |
Kava Extract |
Used Part: |
Root |
|
Botanical Source: |
Piper methysticum |
Extracting Solvent: |
Ethanol |
|
Batch Quantity: |
200Kgs |
Batch Number: |
KW20260910 |
|
Mfg Date: |
10, Sep. 2026 |
Exp Date: |
9, Sep. 2028 |
|
CAS NO.: |
15345-89-8 |
Origin: |
China |
|
Molecular Formula: |
C14H12O3 |
Molecular Weight: |
228.24 |
|
Analysis Item |
Specification |
Result |
Method |
|
Kavalactones |
≥30% |
30.45% |
UV |
|
Chemical Physical Control |
|||
|
Appearance |
Fine powder |
Complies |
Visual |
|
Color |
Yellow |
Complies |
Visual |
|
Odor |
Characteristic |
Complies |
Organoleptic |
|
Taste |
Characteristic |
Complies |
Organoleptic |
|
Identification |
Positive |
Complies |
----------- |
|
Solubility |
100% soluble in ethanol |
Complies |
----------- |
|
Sieve Analysis |
100% pass 80 mesh |
Complies |
80 mesh screen |
|
Loss on Drying |
≤5.0% |
2.85% |
5g/105℃/2hrs |
|
Residue On Ignition |
≤5.0% |
4. 16% |
2g/600℃/3hrs |
|
Heavy Metals |
<10ppm |
Complies |
----------- |
|
Arsenic (As) |
<2ppm |
Complies |
----------- |
|
Lead (Pb) |
<2ppm |
Complies |
----------- |
|
Microbiology Control |
|||
|
Total Plate Count |
<1000cfu/g |
Complies |
----------- |
|
Yeast & Mold |
<100cfu/g |
Complies |
----------- |
|
E.Coli |
Negative |
Negative |
----------- |
|
Salmonella |
Negative |
Negative |
----------- |
|
Staphylococcin |
Negative |
Negative |
----------- |
|
Parking |
Packed In Paper-drums and two plastic-bags inside. Net Weight: 25kgs/drum. |
||
|
Storage |
Keep away from strong light and heat. |
||
|
Shelf life |
2 years when properly stored. Material are fresh not older than 3 months at the time of shipment with max shelf life period. |
||
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Store in cool & dry place between 15℃-25℃ . Do not freeze.