| Certification: | ISO, Kosher, Halal |
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| Assay Method: | HPLC, UV |
| Application Form: | Paste, Tablet, Capsule |
| Application: | Food, Health Care Products, Medicine, Cosmetics |
| State: | Powder |
| Extract Source: | Roselle Extract |
| Samples: |
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| Customization: |
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Roselle is also know as Red Tea,China Rose,Red Sorrel,Hisbicus,Jamaica Tea,and Sudanese Tea,is not just another pretty flower.Hibiscus grows in tropical areas through out the world,and has been used not just as an ornament,but also medicinally for centuries.The part of this plant used medicinally is the flower.Roselle has a mild flavor and has many culinary uses.
Roselle extract is the flower of mallow plant Roselle, which has the functions of calming liver and reducing fire, clearing heat and reducing inflammation, promoting fluid and quenching thirst, reducing blood pressure and fat, waking the brain and calming the mind, clearing free radicals and so on.
Active Ingredient: Anthocyanidins
Appearance: Dark purple fine powderPackage :1kg/aluminum foil bag, 25kg/drum or as your requirements
Product Name: Polygonum cuspidatum Extract
Plant Part Used: Root
Active ingredient: Resveratrol HPLC
Specification: 50%98%/99%
Appearance: White powder
CAS No.: 501-36-0
Molecular Formula: C14H112O3
Molecular Weight:228.24
Odor: Characteristic
Particle size: 95% pass 80 mesh
Package: 25kg/drum or 1kg/foil bag etc.
Storage: Store in cool and dry places, keep away from strong light. Shelf life 2 years when properly stored.
1. Roselle extract powder can maintain healthy teeth and gums.
2. Including iron rich food like roselle is quite beneficial for pregnant women
3. Roselle extract powder consists of Vitamin C which helps to enhance the immune system
4. Magnesium present in Roselle provides quick relief from constipation
5. Roselle extract powder consists of Phosphorous that has the ability to remove minor health problems like muscle weakness, numbness, fatigue and other similar ailments.
6. Roselle extract powder can inhibition of drug induced liver oxidative damage.
Applications :
1.Applied in pharmaceutical field, roselle extract contains anthocyanins can eliminate free radicals, alleviate aging;
2.Applied in cosmetic field, roselle extract can be made into a variety of preparation, such as antibacterial agents, digestive, laxative, stomachic.
Certificate of Analysis
| Item | Specification | Results | Methods |
| Marker Compound | 20% Anthocyanidins | 20.2% | UV |
| Appearance & Color | Purple red powder | Conform | GB5492-85 |
| Odor & Taste | Characteristic | Conform | GB5492-85 |
| Plant Part Used | Flowder | Conform | |
| Extract Solvent | Ethanol&Water | Conform | |
| Bulk Density | 0.4-0.6g/ml | 0.50g/ml | |
| Mesh Size | 80 | 100% | GB5507-85 |
| Loss on Drying | ≤5.0% | 3.41% | GB5009.3 |
| Ash Content | ≤5.0% | 3.32% | GB5009.4 |
| Solvent Residue | Negative | Conform | GC(2005 E) |
| Heavy Metals | |||
| Total Heavy Metals | ≤10ppm | 3ppm | AAS |
| Arsenic (As) | ≤1.0ppm | 0.15ppm | AAS(GB/T5009.11) |
| Lead (Pb) | ≤3ppm | 2ppm | AAS(GB5009.12) |
| Cadmium | <1mg/kg | Not Detected | AAS(GB/T5009.15) |
| Mercury | ≤0.1ppm | Not Detected | AAS(GB/T5009.17) |
| Microbiology | |||
| Total Plate Count | ≤1000cfu/g | <100 | GB4789.2 |
| Total Yeast & Mold | ≤25cfu/g | <10 | GB4789.15 |
| E. Coli | ≤40MPN/100g | Not Detected | GB/T4789.3-2003 |
| Salmonella | Negative in 25g | Not Detected | GB4789.4 |
| Staphylococcus | Negative in 10g | Not Detected | GB4789.1 |
| Packing and Storage | 25kg/drum Inside: Double-deck plastic bag, outside: Neutral cardboard barrel & Leave in the shady and cool dry place | ||
| Shelf Life | 3 Year When Stored properly | ||
| Expiration Date | 3 Years | ||
| Q1: Can i get some samples? |
| A: Yes, we can supply the free sample, but the shipping cost be paid by our customers. |
| Q2: How to start orders or make payments? |
| A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union |
| or Paypal or Escrow(Alibaba). |
| Q3: How to confirm the Product Quality before placing orders? |
| A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the |
| samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. |
| Q4:What's your MOQ? |
| A:Our MOQ is 1kg or 10g(Different products have different MOQs). But usually we accept less quantity such as 10g on the condition that sample charge is 100% paid. |
| Q5: How about delivery leadtime? |
| A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included) |
| Q6:Is there a discount? |
| A:Different quantity has different discount. |
| Q7: How do you treat quality complaint? |
| A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, |
| we will send you free goods for replacement or refund your loss. |
| Q8: How to contact us ? |
| A:You can chat with us by Trademanager Online. You can choose your interested products and send inquiry to us. Send Email to us. |
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