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wholesale Resveratrol 98%
FOB Price:USD393.10/kg
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Minimum Order Quantity: 1kg
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CAS Number: 501-36-0
MOQ: 1kg
E.Coli: negative
Salmonella: negative
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-- -- USD393.10  /kg
1.00kg 4.00kg USD434.48  /kg
5.00kg 9.00kg USD393.10  /kg
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Specification

CAS Number 501-36-0
MOQ 1kg
E.Coli negative
Salmonella negative
Resveratrol 98% Detail

Name:Resveratrol

Synonyms: 34’5-Trihydroxystlbene

Molecular Formula: C14H12O3

Molecular Weight: 228.25

Appearance: Yellowish or white powder

Melting point: 253℃~255℃

Solubility: soluble in diethyl ether,Chloroform, Etheyl alcohol,Acetone

Analytical method: HPLC

Specification: HPLC98%

CAS NO: 501-36-0

Particle size: 100 mesh

Plant origin: Polygonum cusPldatum

Storage:Store in a cool and dry area, keep sealed and keep away from direct light, high-temperature

Shelf Life:two years when stored properly

Packing: Double-deck plastic bag, pack with aluminium foil paper outside

Function:

1)The effect of resveratrol to the proliferation of B16 melanocyte,the activity of cellular tyrosinase and the synthesis of melanin were investigated. The results showed that resveratrol can inhibit the cellular proliferation,reduce the activity of cellular tyrosinase,and obviously decreased the content of cellular melanin compared with arbutin and ethyl vitamin C,0.5 μg/mL resveratrol solution has the same effect with 50 μg/mL arbutin and ethyl Vc.
2)Resveratrol plays a role in protecting liver from damage by alcohol. Alcohol can cause liver damage in the form of steatosis or fatty liver, hepatitis, fibrosis and liver cirrhosis. In general, the amount and duration of alcohol abuse correlate with the presence and severity of liver damage, at least as regards the initial stage of fatty liver. After too much alcohol, Glutathione level will be low but after added resveratrol, this level returned soon. 
3) Resveratrol is believed to stimulate the SiRT1 gene; this gene is the one that kicks in when a person begins to lose weight.This same phenomenon is believed to help slow the aging process. Taking resveratrol, then, can be a way to achieve anti-aging benefits without having to go on an extreme weight reduction diet. It is not surprising that so many people are making sure to include it in their regular, balanced diet.
4) Resveratrol, a nonflavonoid polyphenol naturally found in red wine and grapes, has been known to possess antioxidant, anticancer, and anti-inflammatory properties. From this study, rat primary midbrain neuron-glia cultures were used to elucidate the molecular mechanisms underlying resveratrol-mediated neuroprotection. The results clearly demonstrated that resveratrol protected DA neurons against lipopolysaccharide (LPS)-induced neurotoxicity in concentration- and time-dependent manners through the inhibition of microglial activation and the subsequent reduction of proinflammatory factor release. Mechanistically, resveratrol-mediated neuroprotection was attributed to the inhibition of NADPH oxidase. First, resveratrol reduced NADPH oxidase-mediated generation of reactive oxygen species. Second, LPS-induced translocation of NADPH oxidase cytosolic subunit p47 to the cell membrane was significantly attenuated by resveratrol. Third and most importantly, resveratrol failed to exhibit neuroprotection in cultures from NADPH oxidase-deficient mice. Furthermore, this neuroprotection was also related to an attenuation of the activation of mitogen-activated protein kinases and nuclear factor-kappaB signaling pathways in microglia. These findings suggest that resveratrol exerts neuroprotection against LPS-induced dopaminergic neurodegeneration, and NADPH oxidase may be a major player in resveratrol-mediated neuroprotection.
5) Research suggests that resveratrol can help control the symptoms of asthma and improve the effectiveness of corticosteroid drug treatment. Resveratrol has been shown to reduce asthmatic symptoms by regulating immune system responses and reducing inflammation.41 In addition, recent research on patients with chronic obstructive pulmonary disease (COPD) suggests that resveratrol could also help those asthmatics who do not respond well to corticosteroids because they are insensitive or resistant to them. Studies have shown that some 50% of people with asthma have some resistance to steroidal treatment.

Security : It measure security of resveratrol by the extent of damaging by leucocyte release lactic acid dehydrogenation enzyme to cell.we findthat its LD50 is weight 1000mg of each kilogram. The size of resveratrol between 5*10-7 with 10-3M cause lactic acid dehydrogenation of enzyme to release lower than 7%. Making the resveratrol has very high securities.

 

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