Pterostilbene Powder

 

Pterostilbene powder was originally found as a chemical in dalbergia ioods, hence the name pterostilbene, and has since been found in other plants, including blueberries, dragon's blood, dalbergia cochinchinensis, alfalfa, and grapes.

 

Pterostilbene is a white or off-white crystal powder with rich medicinal value, belongs to the antifungal active ingredients, for the treatment of cancer, hypertension, high blood pressure, and high blood cholesterol have a certain effect.

 

 

Analysis	Specification	Result
Physical Description
Appearance	Off-white or white powder	Complies
Melting point	92~96℃	92.5~95.5℃
Chemical Tests
Assay (HPLC)	99.0% Min	99.47%
Max single impurity (exclude one homologue)	0.1% Max	0.06%
Loss on drying	0.2% Max	0.15%
Moisture content	0.2% Max	0.07%
Ignition Residue	0.2% Max	0.10%
Heavy metals	10.0ppm Max	Complies
Arsenic	1.0ppm Max	Complies
Lead	2.0ppm Max	Complies
Chromium	1.0ppm Max	Complies
Mercury	1.0ppm Max	Complies
Conclusion	Complies with the standards.
General Status	Non-GMO, Non-irradiation, ISO.
Packing and Storage
Packing: Pack in paper-carton and two plastic-bags inside.
Shelf life: 2 year when properly stored.
Storage: Store in a well-closed place with constant low temperature and no direct sun light.

 

 

1. Antioxidant
A large number of studies have shown that pterostilbene has better prevention and treatment effects in melanin inhibition, anti-inflammation, sunlight damage, skin tumors, etc. Especially in the field of antioxidant, it is widely used in the field of medicine and cosmetics.

 

2. Inhibit melanin
Pterostilbene powder has a very strong ability to inhibit melanin, even more than the so-called "whitening gold" photoglycodine, at the same time, has a highly effective effect of blemish removal.

 

3. Protect against ultraviolet rays
The ability of pterostilbene to resist UV rays was determined by examining the activity of fibroblasts in mouse fibroblasts treated with pterostilbene and untreated mouse fibroblasts irradiated with UV rays respectively.

 

4. Anti-inflammatory
Pterostilbene has the dual ability to inhibit two destructive enzymes such as elastase and collagenase, which can damage the skin structure and cause skin laxity and aging.

 

 

5. Anti-glycation
Glycation reaction of the skin refers to the accumulation of too much reducing sugar in the skin due to slow metabolism. Sugar easily reacts with collagen and elastin in the skin to form irreversible brown terminal glycosylation products (AGEs), which denatures and cross-links collagen or elastin, and the skin becomes wrinkled and rough and dull.

 

Pterostilbene powder can reduce the content of cross-linked proteins, inhibit the glycosylation reaction, reduce the production of AGEs, and achieve anti-yellowing and anti-aging effects.

 

6. Weight loss
Animal studies have found that pterostilbene has been shown to increase calorie burning in brown adipose tissue. In addition, pterostilbene has been found to help convert white adipose tissue to behave more like brown adipose tissue and burn more calories, resulting in weight loss.

 

7. Cognitive functions
Acetylcholine is a key neurotransmitter, and it is reduced in dementia. Research shows that pterostilbene helps combat this decline by reducing its metabolism and breakdown.

 

 

1. poor solubility
Extremely low solubility, difficult to apply.

 

2. Instability
Pterostilbene powder belongs to polyphenols, poor stability, easy to be oxidized, when exposed to ultraviolet light, oxygen, high temperature and pro-oxidants and other environmental conditions are prone to degradation and isomerization reactions.

 

3. Difficult to transdermal
It is difficult to penetrate through the stratum corneum of the skin and reach the dermis to play a role as an active substance in the application of skin care products.

 

Shipping pictures, shipping country, shipping packaging

 

 

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