Kaempferol Powder

Kaempferol Powder Supplier:

Guanjie Biotech has been providing high-quality kaempferol powder for more than 20 years. Our product has a natural light-yellow color and offers a purity level of up to 98%, making it suitable for use in supplements, functional foods, and other health applications.

To support stable supply and consistent quality, we operate two modern factories with three full production lines. All production takes place in GMP-standard workshops, ensuring clean, safe, and well-controlled manufacturing conditions. We also maintain two independent laboratories dedicated to testing every batch.  With strong production capacity, strict quality control, and decades of industry experience, Guanjie Biotech continues to be a trusted bulk kaempferol supplier for partners around the world. Welcome to enquire with us at info@gybiotech.com.

Why Choose Guanjie Biotech?

● Independent factories and labs.

● Provide the third-party testing.

● Have been in this field for 20 years.

● Have strong Collaborators: Northwestern University and the Chinese Academy of Sciences research center.

 

COA

Item	Specification	Result	Method
Basic Product Information
Genus and Species	Kaempferia galanga L.	Conform	/
Part of the Plant	Root	Conform	/
Marker Compounds
Kaempferol	>98.0%	98.3%	HPLC
Organoleptic Data
Appearance	Powder	Conform	GJ-QCS-1008
Color	Yellow	Conform	GB/T 5492-2008
Odor	Characteristic	Conform	GB/T 5492-2008
Taste	Characteristic	Conform	GB/T 5492-2008
Physical Characteristics
Particle Size (80 mesh)	>95.0%	Conform	GB/T 5507-2008
Moisture	<5.0%	1.25%	GB/T 14769-1993
Ash Content	<5.0%	0.56%	AOAC 942.05, 18th
Heavy Metals
Total Heavy Metals	<10 ppm	Conform	USP <231>, method II
As	<1.0 ppm	Conform	AOAC 986.15, 18th
Pb	<1.0 ppm	Conform	AOAC 986.15, 18th
Hg	<0.5 ppm	Conform	AOAC 971.21, 18th
Cd	<0.5 ppm	Conform	AOAC 971.21, 18th
Pesticide Residue
666	<0.2ppm	Conform	GB/T5009.19-1996
DDT	<0.2ppm	Conform	GB/T5009.19-1996
Microbiology
Total Plate Count	<10,000cfu/g	Conform	AOAC 990.12, 18th
Total Yeast & Mold	<1,000cfu/g	Conform	FDA (BAM) Chapter 18, 8th Ed.
E. Coli	Negative	Negative	AOAC 997.11, 18th
Salmonella	Negative	Negative	FDA (BAM) Chapter 5, 8th Ed.

 

What Are the Properties of Kaempferol?

Kaempferol powder is a natural plant flavonoid found in many fruits, vegetables, and herbal ingredients. It is valued in the food, health supplement, and cosmetic industries because of its stable structure and wide range of biological activities. Below is a simple but professional overview of its key properties.

1. Chemical Properties

Kaempferol has a stable molecular structure with four hydroxyl groups. These hydroxyl groups help the molecule donate hydrogen atoms, which gives kaempferol strong antioxidant ability.
It is usually found as a light yellow powder, and its purity in commercial products can reach up to 90%–98% depending on production methods.

Kaempferol powder is slightly soluble in water but dissolves more easily in ethanol, methanol, and other organic solvents. This characteristic is important for manufacturers when choosing extraction and formulation methods.

2. Antioxidant Properties

One of kaempferol's most important properties is its powerful antioxidant activity. It helps neutralize free radicals, which are unstable molecules that can damage cells. This antioxidant effect supports healthy aging, protects cells from oxidative stress, and is a key reason kaempferol is used in dietary supplements and skincare formulas.

3. Anti-Inflammatory Properties

Kaempferol powder shows strong anti-inflammatory effects. It can help reduce the production of inflammatory mediators in the body. This makes it beneficial for products aimed at supporting joint health, immune balance, and general wellness. In skincare, it helps calm irritation and reduce redness.

4. Antimicrobial Properties

Studies show that kaempferol can inhibit the growth of some bacteria, fungi, and viruses. These antimicrobial properties make it valuable in natural preservation systems, herbal products, and immune-support supplements.

5. Cardiovascular-Support Properties

Kaempferol also has properties that support heart health. Research suggests it may help improve blood vessel flexibility, reduce oxidative damage to blood vessels, and support normal cholesterol levels. These properties make kaempferol a popular ingredient in products focused on cardiovascular wellness.

6. Neuroprotective Properties

Kaempferol powder has shown protective effects on brain cells. Its antioxidant and anti-inflammatory properties help reduce stress on nerve cells and may support long-term cognitive health. Because of this, it is increasingly used in nutritional formulas for memory support and brain wellness.

7. Skin-Care Properties

In cosmetics, kaempferol is valued for its brightening, anti-aging, and skin-soothing properties. It helps protect skin from UV-related oxidative stress, supports collagen stability, and reduces irritation. Its natural origin also fits clean-label and botanical beauty trends.

8. Stability and Safety

Kaempferol powder is generally stable when stored in a cool, dry environment away from strong light. It is considered safe for use in dietary supplements and cosmetics when used at appropriate levels. Its natural plant origin and long history of use provide strong safety support. 

 

 

What is the Dosage of Kaempferol?

The recommended dosage of kaempferol powder can vary based on age, health condition, and individual needs. In most cases, a daily intake of 50–100 mg is considered safe and effective for general health support. This dosage is commonly used in dietary supplements and functional products. Beginners may start with the lower end of the range and increase gradually if needed. It is also helpful to take kaempferol with meals to support better absorption. As with any supplement, people with medical conditions, pregnant or breastfeeding women, and those taking medications should consult a healthcare professional before use.

 

What Is Kaempferol Used For In cosmetics?

Kaempferol powder is widely used in the cosmetic and skincare industry because of its strong antioxidant, anti-inflammatory, and protective properties. It can support skin health in several ways and is often added to formulas designed for anti-aging, sun protection, and acne care. Below is a detailed explanation of its main cosmetic applications.

1. Anti-Aging Benefits

One of the most important uses of this ingredient is in anti-aging skincare products. As we age, our skin is exposed to free radicals, which are unstable molecules produced by pollution, UV light, stress, and normal metabolic processes. These free radicals damage skin cells and speed up the development of wrinkles, fine lines, uneven tone, and loss of elasticity.

Kaempferol powder works as a powerful antioxidant. It neutralizes free radicals and prevents them from harming the skin. By reducing oxidative stress, it helps protect collagen and elastin-the proteins responsible for skin firmness and smoothness. Many anti-aging serums, creams, and essences include this ingredient to improve skin texture, promote a youthful appearance, and slow visible aging.

Regular use of products containing this ingredient may help brighten dull skin, reduce early signs of aging, and improve overall skin resilience. Because it helps strengthen the skin barrier, it can also reduce dryness and sensitivity, which are common issues in mature skin.

2. Sunscreen and UV Protection

Another major cosmetic application is its role in sun protection. UV rays are one of the biggest causes of skin aging, pigmentation, and damage. Studies have shown that this ingredient provides a protective effect against harmful UV radiation. While it is not a replacement for traditional sunscreen filters, it works as a supportive agent to boost overall protection.

When added to sunscreen formulations, it helps minimize UV-induced inflammation, redness, and oxidative stress. Kaempferol powder supports the skin's natural defense system, helping reduce long-term UV damage. Many modern sunscreens combine traditional UV filters with antioxidants like this ingredient to offer broader, more stable protection.

In addition, its protective effect can help reduce sun-induced pigmentation and uneven tone. This makes it a popular choice in brightening and daily protective skincare products.

3. Anti-Acne and Skin Soothing Effects

Kaempferol powder is also valued for its anti-inflammatory and antibacterial benefits, making it useful in acne-care products. Acne often develops due to excessive oil production, clogged pores, and bacterial growth. Inflammation can worsen breakouts and lead to redness or swelling.

Its antibacterial properties help reduce acne-causing bacteria on the skin, supporting a cleaner and healthier complexion. At the same time, its anti-inflammatory effects help calm irritated skin, reduce redness, and support faster healing of active breakouts.

Because it is gentle on the skin, kaempferol powder is suitable for sensitive and acne-prone individuals. Many gels, toners, and creams for acne control use this ingredient to balance the skin, soothe irritation, and prevent future breakouts without causing dryness.

 

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