White Willow Bark Extract powder

Plant Source: Weeping willow bark
Specification: 10%, 12%,15%,20%,25% Salicin , 4:1
Test Method: HPLC
CAS No.:84082-82-6
Extract Source:100% Natural
Origin:China
Appearance: Brown powder
Certifications: ISO, HACCP, HALAL, KOSHER, Technical Invention Patent Certificate
MOQ: 1KG
Sample: Free sample available
Production Capacity: 1000KG/month
Delivery Time: Delivery within one day from warehouse
Shelf Life: 24 months
Lead time: 1-3 days
Storage: Store in a well-closed container away from moisture and direct sunlight.Keep in cool dry place
Payment: Multiple terms acceptable like T/T, LC, DA
Company Advantage: Kintai mainly focuses on the production of high content plant extracts and pharmaceutical intermediates all the year round
  • Fast Delievery
  • Quality Assurance
  • 24/7 Customer Service

Product Introduction

White willow bark Extract Supplier

White willow bark extract is a natural plant ingredient derived from the bark of the white willow tree. It is rich in active substances such as salicin. Salicin is converted to salicylic acid in the body, which has analgesic, anti-inflammatory, and antipyretic properties. It has traditionally been used to relieve headaches, joint pain, and fever. Its mechanism of action is similar to that of aspirin, but with a milder effect. It is now widely used as a dietary supplement to help alleviate mild inflammation and discomfort. However, proper dosage is crucial; it may not be suitable for those allergic to salicylic acid or for use with certain medications.

KINTAI White Willow Bark Extract powder

Healthkintai® is a manufacturer specializing in the production and sales of White Willow Bark Extract powder. White willow bark extract is one of KINTAI's main products. The main ingredient of Shirayanagi bark extract is salicin. The specifications produced by KINTAI contain 10%, 12%, 15%, 20%, 25% Salicin, Another ratio is 4:1. All products are certified by ISO9001 and FDA. We are committed to providing customers with safe, effective, and stable White willow bark extract. Welcome to contact us for more product information.

Choose KINTAI, you will get the following guarantees

  • Fast delivery, manufacturer direct sales, quality assurance
  • Support third-party professional testing
  • Has a good price advantage
  • Free samples and product customization available

Kintai White willow bark Extract Specification

ProductName

Whitewillowbarkextract

Appearance

Brownyellowpowder

Shelf Life

24 months

Test Method

HPLC

CAS No.

84082-82-6

Molecular Weight

286.27

EINECS

282-029-0

Mlecular Formula

C13H18O7

Specification

10%,12%,15%,20%,25% Salicin , 4:1

Part of Used

Weeping willow bark

Product Quality Standard of white willow bark extract

Extraction Solvent

Ethyl alcohol

Solubility

Dissolved in water

Identification

TLC , HPLC

Sulphated Ash

NMT 0.5%

Heavy metals

NMT 20 PPM

Loss On Drying

NMT 5.0%

Powder size

80Mesh, NLT90%

Assay of Red Clover Extract (HPLC test, percent, Standard in House)

Min. 95.0%

Residual Solvents

- N-hexane

NMT 290 PPM

- Methanol

NMT 3000 PPM

- Acetone

NMT 5000 PPM

- Ethyl Acetate

NMT 5000 PPM

- Ethanol

NMT 5000 PPM

Pesticide Residues

- Total DDT (Sum of p,p'-DDD,P,P'-DDE,o,p'-DDT and p,p' -DDT)

NMT 0.05 PPM

- Aldrin, Endrin, Dieldrin

NMT 0.01 PPM

Microbiological Quality (Total viable aerobic count)

- Bacteria, CFU/g, not more than

NMT 10³

- Moulds and yeasts, CFU/g, not more than

NMT 10²

- E.coli, Salmonella, S. aureus, CFU/g

Absence

Kintai White willow bark Extract process flow chart

Crush → Remove impurities → Dry → Acidic extraction → Filter → Make alkaline → Filter → Dissolve in ethanol → Filter → Concentrate → Dry → Crush extract.

Kintai White willow bark Extract process flow chart

Safty of White willow bark Extract

The safety of topical salicylic acid depends on its concentration. A concentration of 0.5%-2% in skincare products is generally safe, but it may cause initial dryness, stinging, or peeling, requiring tolerance and strict sun protection. High concentrations (>20%) must be used in professional settings; home use carries a high risk.

SAFTY

Oral use of salicylic acid (aspirin) is strictly prohibited, especially in children and adolescents after viral infections, as it may cause fatal Reye's syndrome. Pregnant women and those with sensitive skin should use it with caution and avoid combining it with other irritants (such as fructose and retinol) to prevent barrier damage.

White willow bark Extract Functions

1. Pain Relief and Anti-Inflammation

This is the most classic and well-known function of White Willow Bark Extract powder. Its active ingredient, salicin, is converted into salicylic acid in the body, exerting analgesic and anti-inflammatory effects similar to aspirin. It effectively inhibits the synthesis of pain-causing substances such as prostaglandins, reducing the body's inflammatory response. Therefore, it is often used to relieve mild to moderate pain from a variety of causes, such as headaches, toothaches, back pain, joint pain (such as osteoarthritis), and muscle discomfort. It also has a certain effect on joint swelling and limited mobility caused by inflammation, making it an important herbal anti-inflammatory agent.

2. Fever Reduction and Cold Relief

Due to the properties of salicin, this extract also has a potent antipyretic effect. It acts on the thermoregulatory center in the hypothalamus, promoting vasodilation and sweating, thereby helping to dissipate heat and lower body temperature. In traditional herbal medicine, it is often used to treat fever symptoms caused by colds, influenza, and other infectious illnesses. Its anti-inflammatory properties also help alleviate the general muscle aches and sore throats associated with colds, providing comprehensive relief and supporting the body's natural recovery.

3. Antioxidant and Skin Health

Beyond its classic analgesic and fever-reducing properties, modern research has revealed that white willow bark extract, rich in flavonoids and polyphenols, possesses significant antioxidant capacity. This helps neutralize free radicals, reducing cellular damage caused by oxidative stress and overall supporting healthy aging. This function is widely used in skincare. Its anti-inflammatory and antioxidant properties make it an effective ingredient for improving acne, soothing irritation, and calming redness. It also helps protect skin collagen and slow the signs of aging, making it a common ingredient in anti-aging and skin-purifying products

Pain Relief and Anti-Inflammation
Fever Reduction and Cold Relief
SKINCARE

White willow bark Extract Applications

1. Healthcare

This is its core application area. As a natural analgesic and anti-inflammatory agent, this extract is widely used to relieve mild to moderate headaches, joint pain (such as that caused by osteoarthritis and rheumatoid arthritis), muscle aches, and back pain. Its antipyretic properties also make it a popular herbal option for alleviating cold and fever symptoms. It is often formulated as capsules, tablets, or tinctures, offering a botanical alternative to nonsteroidal anti-inflammatory drugs (NSAIDs).

2. Functional Foods and Health Products

As a dietary supplement, white willow bark extract is a key ingredient in the health supplement market. It is incorporated into complex formulas designed to support joint health, improve mobility, and combat inflammation. It often works synergistically with ingredients such as glucosamine, chondroitin, and curcumin to provide daily joint care and post-workout recovery support for athletes and the elderly, meeting market demand for natural health products.

HEALTHCARE
Health Product
SKINCARE
PET CARE
 
 

3. Cosmetics and Skin Care

Its anti-inflammatory and antioxidant properties are particularly valuable in skincare products. Products containing this extract can effectively soothe skin irritation, reduce redness, and help manage acne. Its gentle exfoliating properties help cleanse pores, while its antioxidant properties fight free radicals and protect collagen, thereby slowing skin aging. It is commonly found in serums, masks, and creams for acne treatment, allergy relief, and anti-aging.

4.Veterinary and Pet Care

This application is expanding. In the veterinary field, White Willow Bark Extract powder is used to relieve chronic pain and discomfort caused by osteoarthritis in pets, including dogs. Its natural properties are considered a gentler, long-term maintenance option compared to traditional medications. It is often formulated into pet-specific soft chews or supplements to improve mobility and quality of life in elderly pets.

  About Kintai

 Kintai manufacturing base

Kintai manufacturing base

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