Pterostilbene Powder

Pterostilbene Powder – High Purity 99% Trans-Stilbene Extract for Premium Nutraceutical Formulations

Shaanxi Hongda Phytochemistry Co., Ltd. has been making and selling bioactive ingredients from plants since 2001. They have over 20,000 m² of production space and make 3,000 tonnes of products every year. Our Pterostilbene Powder is made from blueberries and Pterocarpus marsupium heartwood and is 99% pure (HPLC-verified). It is approved as organic, kosher, haalal, BRC, ISO9001, and ISO22000. We offer consistent, trackable raw materials to B2B buyers in Europe, North America, Southeast Asia, and Russia. Our deliveries take 3–7 business days, and each drum holds 12 kg.

Product Introduction

Pterostilbene Powder is a naturally occurring resveratrol analogue that is dimethylated. Its chemical name is trans-3,5-dimethoxy-4'-hydroxystilbene, and its CAS number is 18259-15-9. It looks like a white, crystalline powder and has a molecular formula of C₁H₁O₃. It melts at 94°C to 96°C.

It is different from resveratrol because it has two methoxy groups at places C-3 and C-5. This change in structure makes it more lipophilic (LogP = 3.54 vs. 3.10), which means it can cross cell membranes better and not be broken down as quickly by metabolism.

Because of this, it is about 80% bioavailable when taken by mouth, compared to about 20% for resveratrol, and its half-life in the plasma is about seven times longer (105 minutes vs. 14 minutes). This means that formulators can use smaller doses to get better results in living things.

Third-Party Test Report

We test every batch of our product in-house and have authorised third-party labs, like SGS and Eurofins, check it too. What is tested for?

Test for active ingredients using HPLC

Those that are heavy (Pb, As, Cd, Hg)

Searching for pesticide residue

The safety of microbes (Total plate count, E. coli, Salmonella)

Moisture level and loss during drying

You can get test reports if you ask for them before you buy. We also support testing needs that are specific to the customer.

Pterostilbene Powder Specification​​​​​​​

Pterostilbene Powder Advantages

Bioavailability over resveratrol

The methoxy change stops glucuronidation and sulfation, which are the main metabolic processes that make resveratrol less effective. With smaller active doses, plasma levels stay high for longer.

Gets into the brain from the blood

It can get through cell membranes and the blood-brain barrier because it is more lipophilic. Because of this, it is a popular ingredient in products that support brain health and protect neurones.

Activity with multiple uses

It is a strong antioxidant, a SIRT1 activator, a PPARα agonist, and an anti-inflammatory. This gives formulators a lot of options for making health claims.

It stays stable under normal processing conditions

It stays intact when tablets are compressed and sealed, and it is more resistant to oxidation and thermal breakdown than most polyphenols.

High pure and scalable for business

Each batch has the same amount of strength because it is ≥99% pure, as confirmed by HPLC. It can be used as both a supplement and a cosmetic.

Pterostilbene Powder Application

This ingredient is used in a number of types of products, including:

Cognitive health supplements, like capsules and softgels that work on memory and protecting neurones

Cardiovascular support products help control cholesterol and keep blood vessels working well.

Products that fight ageing and make you live longer—when mixed with NMN, resveratrol, or CoQ10

Sports nutrition: formulas with antioxidants to help with recovery

Cosmetics are serums that you put on your skin to fight oxidative stress and early ageing.

Functional foods—when made with cyclodextrin or nano-encapsulation to make them water-soluble. Note: Because it is hydrophobic, it can't be used directly in water-based drinks without encapsulation or cyclodextrin complexing.

Production Process

To make pterostilbene that is safe for use in medicine, Shaanxi Hongda uses a controlled synthesis and purification process:

1. Choice of raw materials—Verified natural plant sources or nature-identical ways of making things

2. Reaction and extraction: controlled chemical production at a certain pH and temperature

3. Purification: multiple stages of crystallisation to get 99% purity

4. Milling: cutting the particle size down to ≥80 mesh so that they dissolve evenly

5. Tests for quality: full-batch HPLC, heavy metal, microbiological, and moisture tests

6. Packaging: double-layer PE bag inside, fibre drum outside, in a lab that is 100,000 levels below

Every step is done in settings that are certified by cGMP and FSSC22000.

Why Choose Us?

Since 2001, we've been making plant extracts for more than 23 years.

3,000 tonnes of production per year with 10 or more modern production lines

In-house lab that meets SGS standards and has HPLC, GC, UV, and atomic absorption tools

cGMP, FSSC22000, ISO9001, ISO22000, HALAL, KOSHER, BRC, and ORGANIC (EU & NOP) are all Certifications that are fully covered.

3–7 business days for delivery if there is enough stock in the warehouse

Personalized service from asking for a sample to producing large amounts

OEM / ODM Support

You can tell us what you want, and we'll build it around that. The Shaanxi Hongda backs:

Choose your own particle sizes and purity levels

Private label packaging that shows off your brand

Capsules, tablets, softgels, and premixed powders are examples of finished dosage forms.

Adding pterostilbene to other actives like NMN, quercetin, or formulation blending

Minimum order amounts that are tailored to the size of your project

Our R&D team of more than 20 experts will work with you from the idea stage to the finished product.

FAQ

Q1: What's the difference between resveratrol and pterostilbene?

A: Pterostilbene has two methoxy groups that stop the body from getting rid of it quickly. It's about 80% bioavailable when taken by mouth, compared to about 20% for resveratrol, and it stays active in plasma for about 7 times longer.

Q2: Is the item natural or man-made?

A: To make a lot of it, commercial production uses a nature-identical synthesis route that gets it to be 99% pure. There are natural extracts of blueberries, but they are too expensive for supplement dosing amounts.

Q3: What kinds of approvals does your product have?

A: Kosher, halal, BRC, ISO9001, ISO22000, organic (EU and NOP), and cGMP. You can get documentation if you ask for it.

Q4: How should I store it?

A: Keep it sealed in a cool, dry place out of direct sunlight. When kept this way, it will last for two to three years. Light can change trans-to-cis isomers, which makes them less potent.

Q5: Can it be put in drinks?

A: Not directly in forms that use water. You need cyclodextrin complexing or nano-encapsulation to achieve aqueous solubility for RTD uses.

Q6: What is the smallest amount I can order?

A: MOQ varies by product form. Get in touch with us personally to talk about your needs; we can handle both small sample orders and large commercial batches.

Contact Us

Ready to source Pterostilbene Powder for your next formulation? Send your inquiry to duke@hongdaherb.com and our team will respond within 24 hours.