Audited Supplier
V-Giant Knotweed
501-36-0
C14h12o3
610-504-8
Paper
Normal
2 Years
Natural
Polygonum Cuspidatum Extract
Polygonum Cuspidatum
Resveratrol
Light Yellow to White Fine Powder
HPLC
Rhizome
Vista
Drum/Carton
1kg/ Bag 25kg/Drum
China
2932999099
Product Description
Giant knotweed is widely grown throughout Japan and is foraged as a wild edible vegetable. The root of Polygonum cuspidatum, were widely used in traditional Chinese and Japanese medicine. It is also known to be a rich source of resveratrol, which is a natural polyphenol. Emodin, physcion, citreorosein, rhein, fallacinol, questin, phenylpropanoides , polyphenols, and tannins are major active components present in this root. It is a good source of reveratrol, and carotenoids that act as a potent antioxidant that minimizes the effect of harmful oxidative stress. It is good for the heart, and gastrointestinal tract health.
| Product Name | Polygonum Cuspidatum Extract |
| Latin name | Polygonum Cuspidatum Sieb.et Zucc. |
| Other names | Polygonum Cuspidatum P.E, Rhizoma Polygoni Cuspidati P.E , Polygonum Cuspidatum P.E, Gentrin Knotweed P.E., Trans resveratrol extract, Polygonum Cuspidatum Root Extract |
| Plant Use Part | Root & Rhizome of Polygonum Cuspidatum |
| Product specification | 20%~99% Resveratrol |
| Active Ingredient | Resveratrol |
| Variety | Polygonum Cuspidatum |
| Test method | HPLC |
| Extract Ratio | 5: 1, 10: 1, 20: 1 |
1. Anti-cancer
2. Effect on cardiovascular system
3.Antibacterial and antifungal
4.Nourish and protect liver
5. Antioxidant and quench free-radicals
6.Impact on the metabolism of osseous issue
2. Effect on cardiovascular system
3.Antibacterial and antifungal
4.Nourish and protect liver
5. Antioxidant and quench free-radicals
6.Impact on the metabolism of osseous issue
1.Applied in the food field,
2.Applied in the health product field
3.Applied in the pharmaceutical field
2.Applied in the health product field
3.Applied in the pharmaceutical field
| Physical Control | |||
| Appearance | Fine Powder | Complies | Visual |
| Color | White Powder | Complies | Visual |
| Odor | Characteristic | Complies | Organoleptic |
| Taste | Characteristic | Complies | Organoleptic |
| Particle Size 95 | 100% pass 100 mesh | Complies | 80 Mesh Screen |
| Loss on Drying | 5% Max | 3.74% | CPh |
| Ash | 5%Max | 3.45% | CPh |
| Part of Plant Used | Rhizom | Complies | / |
| Solvent Used | Water &Ethonal | Complies | |
| Excipient | 5%-10% Maltodextrin | Complies | |
| Chemical Control | |||
| Heavy metals | NMT 10 ppm | Conforms | Atomic Absorption |
| Arsenic (As) | NMT 2ppm | Conforms | Atomic Absorption |
| Mercury(Hg) | NMT 1ppm | Conforms | Atomic Absorption |
| Lead (Pb) | NMT 2ppm | Conforms | Atomic Absorption |
| GMO Status | GMO Free | Conforms | / |
| Solvent Residual | Meet E.P Standard | Conforms | Ph.Eur |
| Pesticides Residues | Meet USP Standard | Conforms | Gas Chromatography |
| Benzo(a)pyrene | NMT 10ppb | Conforms | GC-MS |
| Sum of benzo(a)pyrene, benz(a)anthracene, benzo(b)fluoranthene and chrysene | NMT 50ppb | Conforms | GC-MS |
| Microbiological Control | |||
| Total Plate Count | 10000cfu/g Max | Conforms | AOAC |
| Yeast & Mold | 1000cfu/g Max | Conforms | AOAC |
| S. aureus | Negative | Negative | AOAC |
| E.Coli | Negative | Negative | AOAC |
| Salmonella | Negative | Negative | AOAC |
| Pseudomonas aeruginosa | Negative | Negative | USP |
Qingdao Vista Bio. Tech. Co., ltd is specialized in studying herbal extract & plant extract, pharmaceutical ingredients, natural nutritional supplement and OEM service.
With the help of well-equipped and advanced production technology and facilities for extracting, concentration, column chromatography, refined separation, vacuum drying and spray drying, our products are in strict accordance with the GMP standards to ensure the quality. Besides GMP standards, we also set up our own strict quality control system based on our many years' Research & Development and producing experiences to ensure high-quality standard which enable us supplying various botanical extracts as per clients′ customized demands.
With cordial and professional R&D, sales and after-sales service groups, Vista has been dedicated to study on how natural plant ingredients benefit human health, on the premise of maintaining the diversity of natural plant raw materials, we constantly improves the extraction process of products, and actively creates new products, so as to better serve the customers in the fields of food, health care products, medicine and cosmetics.
| FAQ |
| 1. How to contact us? |
| 1. You can chat with us via Trade Manager online. 2. You can send us an inquiry here or by Email with your interested products. 3. You can call or message us by phone, or use WhatsApp, Wechat to leave a message to us, You can get our reply soon, |
| 2. How to test the product quality before placing orders? |
| 1. If stock specifications, you can get free samples from us, and you only need to pay the express fee or arrange a courier to us and take the samples. 2. If OEM products, we will manufacture the products according to your specifications and requests, then send them to you to confirm |
| 3. What's your MOQ? |
| Usually the MOW is 25KG for bulk, sample is 1kg |
| 4. Can you give me a discount? |
| Yes, Price is determined by quantity, larger quantity with lower price, |
| 5. What payment method do you support? |
| We accept payment by telegraphic transfer (T/T) and Western Union, PayPal. |
| 6. How long is the lead time? |
| Usually the order will be delivered within 5 working days after order confirmed, expect for OEM products, |
| 7. How do you treat quality complain? |
| - First, we will check the production record and test the reserved sample to figure out the problems and offer an optimal solution for you, - If problem is caused by us, we will send you a new batch of goods according to our return policy or refund to you, If problem is caused by the third party, we will apply for insurance claim to guarantee the interests of both of sides, |
