White Willow Bark Extract

Short Description:

White willow bark extract is obtained from the bark, branches and stems of willow white willow, which are extracted and spray-dried. The main ingredient contains salicin, and its state is brownish yellow or grayish white fine powder. Salicin has antipyretic, analgesic and other effects, and is used to reduce fever and treat arthritis and other diseases. This ingredient is widely used in medicine, health care products, and cosmetics industries.

Product Detail

Product Description

Product Name: White Willow Bark Extract

Category: Plant Extracts

Effective components: Salicin

Product specification: 98%

Analysis: HPLC

Quality Control: In House

Formula: C13H18O7

Molecular weight: 286.28

CAS No: 138-52-3

Appearance: white crystal powder

Identification: Passes all criteria tests

Product Function: White Willow Bark Powder help reduce pain, reduce fever, anti-inflation.

Storage: keep in cool and dry place, well-closed, away from moisture or direct sunlight.

Certificate of Analysis

Product name


Botanical Source White willow (Salix) bark
Batch NO.


Batch Quantity 1000 kgs
Manufacture Date

May 3. 2021

Expiration Date May 9. 2021
Solvents Residue


Part Used Bark
Physical&Chemical Data
Color White Organoleptic Conforms
Ordour Characteristic Organoleptic Conforms
Appearance  Crystal Powder Organoleptic Conforms
Analytical Quality
Assay(Salicin) ≥98% HPLC 98.16%
Loss on Drying 5.0% Max. Eur.Ph.7.0 [2.5.12] 2.21%
Total Ash 5.0% Max. Eur.Ph.7.0 [2.4.16] 1.05%
Sieve 100% pass 80 mesh USP36<786> Conforms
Solvents Residue Meet Eur.Ph.7.0 <5.4> Eur.Ph.7.0 <2.4.24> Conforms
Pesticides Residue Meet USP Requirements USP36 <561> Conforms
Heavy Metals
Total Heavy Metals 10ppm Max. Eur.Ph.7.0 <2.2.58> ICP-MS Conforms
Lead (Pb) 2.0ppm Max. Eur.Ph.7.0 <2.2.58> ICP-MS Conforms
Arsenic (As) 1.0ppm Max. Eur.Ph.7.0 <2.2.58> ICP-MS Conforms
Cadmium(Cd) 1.0ppm Max. Eur.Ph.7.0 <2.2.58> ICP-MS Conforms
Mercury (Hg) 0.5ppm Max. Eur.Ph.7.0 <2.2.58> ICP-MS Conforms
Microbe Tests
Total Plate Count NMT 1000cfu/g USP  <2021> Conforms
Total Yeast & Mold NMT 100cfu/g USP  <2021> Conforms
E.Coli Negative USP  <2021> Negative
Salmonella Negative USP  <2021> Negative
Packing&Storage   Packed in paper-drums and two plastic-bags inside.
N.W: 25kgs
Store in a well-closed container away from moisture, light, oxygen.
Shelf life 24 months under the conditions above and in its original packaging.

Application of Salicin

1. White Willow Bark Extract Powder has been used for centuries as a pain reliever.

2. White Willow Powder as an alternative to aspirin, particularly those that experience chronic headaches or back pain.


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