Company Details

  • Xi'an Yuanyu Biological Co., Ltd.

  •  [Shaanxi,China]
  • Business Type:Manufacturer
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001, FDA
  • Description:Plant Extracts manufacturer / supplier, offering Natural Sweeteners,Herbal Extracts, etc.

Xi'an B-Thriving I/E Co.,Ltd.

Plant Extracts manufacturer / supplier, offering Natural Sweeteners,Herbal Extracts, etc.

Best Selling Pure Natural nigella sativa extract

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    Payment Type: L/C,T/T,D/P,Money Gram,Western Union
    Terms of Trade: FOB,CIF,FCA
    Min. Order: 1 Kilogram
    Delivery Time: 7 Days

Basic Info

nigella sativa extract

Best Selling Pure Natural nigella sativa extract

Product Description
Product namenigella sativa extractWaternot more than 5.0%
Appearancebrown fine powderUsed PartSeed
Specification4:1,10:1, 20:1Test MethodTLC
Botanical SourceNigella damascenaFamilyRanunculaceae
Description nigella sativa extractare extracted by advanced CO2 supercritical extraction technology from wild Dryopteris crassirhizoma Nakai origin of Daxinganling Region in China.The content level of effective materials is up to 93%. This product has been exported to EU, Japan, South -East Asia etc. The physical level and microbiological level can meet well the export standards.
Main Function1.Scavenges free radical, eliminate speckles
2.Enhances cardiovascular health.
3.Inhibits growth and formation of certain types of cancer.
4.Improves visual performance in humans.
5.Reduces symptoms of premenstrual syndrome.
6.Rreduces symptoms in gastric ulcers.
7.Protects cells against drug, chemical and environmental pollutants toxicity.
8.Reduce aging and loss of elasticity in skin etc.
Application1.Pharmaceutical as capsules or pills;
2.Functional food as capsules or pills;
3.Water-soluble beverages;
4.Health products as capsules or pills.
Shelf life2 yearsSupplier NameXi'an Rongsheng Biotechnology Co., Ltd.
Package1kg/foil bag(net weight 1kg, gross weight 1.2kg), 25kg/fiber drum(net weight 25kg, gross weight 28kg)
StorageStored in a cool and dry well closed container and in ventilated area,
kept away from moisture and strong light or high temperature.

Assay4:1,10:1, 20:14:1,10:1, 20:1
Appearancebrown fine powderconforms
Particle SizeNLT 100% Through 80 meshconforms
Loss on Drying<2.0%0.47%
Heavy metals
Total Heavy Metals≤10ppmconforms
Microbiological Tests
Total Plate Count≤1000cfu/gconforms
Total Yeast & Mold≤100cfu/gconforms
Packaging & ShippingCompany Information

Rongsheng is equipped with the most advanced test equipments, which can significantly enhance the rationality and accuracy of test. Meanwhile, employees of test department must also abide by the standard operational procedures made for them, thus to examine, monitor and verify the production environment, raw materials and products in different phases, and to conduct data management and analysis for innovation and improvement in the standardized practice.

Our Services

1. Any inquiries will be replied within 12 hours.

2. Dedication to quality, supply & service.

3. Strictly on selecting raw materials.

4. OEM/ODM Available.

5. Reasonable & competitive price, fast lead time.

6. Sample is available for your evaluation & Formulation development.

7. Faster delivery: Sample order in stock and 3-7 days for bulk production.

8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.

9. After-Sale Service: 1)International Authorized Third-Party Test For The Products You Demand. 2)60 Days Warranty of quality of goods.

Buying GuidesFAQ

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().

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. But usually we accept less quantity such as 100g 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,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.


  nigella sativa extract are extracted by advanced CO2 supercritical extraction technology from wild Dryopteris crassirhizoma Nakai origin of Daxinganling Region in China.The content level of effective materials is up to 93%. This product has been exported to EU, Japan, South -East Asia etc. The physical level and microbiological level can meet well the export standards.

Active ingredients

"Black grass with black grass alkali (damascenine), volatile oil. The main oil containing thymequinone (thymoquinone), black herb (ketone), quercetin (quer-cetin), saponins and so on.

CAS : 90064-32-7 

1. Anti-tumor effect: black grass extract of local administration, can delay the dimethylbenzanthracene (DMBA) -induced skin papillary carcinoma in mice, and to reduce the number of tumors. And its water extract can inhibit the occurrence of 20-methylcholanthrene (MCA) -induced mouse soft tissue tumors. Subcutaneous injection of MCA, 2d after intraperitoneal injection of the drug, the incidence of tumor administration group was only 33.3% of the control group.

2. Effects on liver enzyme concentration: The concentration of alanine aminotransferase (ALT) in blood plasma was increased 14 days after oral administration of black grass seed water to male rats. In addition, the extract has to prevent cisplatin (cisplatin) caused by decreased levels of hemoglobin in mice and white blood cell count reduction, black grass seed oil has anti-pathogenic microorganisms and flooding effect.




Type:Nigella sativa Extract



Extraction Type:Solvent Extraction

Packaging:Bottle, Drum, Vacuum Packed

Place of Origin:Hunan, China (Mainland)

Grade:Food Grade

Model Number:semen cassiae extract

Latin name:Nigella glandulifera Freyn et Sint.

Name:Semen Nigellae extract

Product Name:Nigella sativa Extract

Other Name:black seed extract


Test Method:HPLC

Appearance:Dark brown Powder

Sample:20g free samples for testing



Extraction Process

(1) The seed material of black grass plant was extracted by water or alcohol-water mixed solvent. The extract was concentrated, filtered and adsorbed by macroporous resin. The elution was carried out with 50-80% (2) concentrating the total saponin from the black grass (1), adopting the pressure preparation chromatography system to obtain the total saponin concentration in the range of 20-120μπι; Carbonated octadecyl silicate as filler and 40-60% methanol as mobile phase. The fractions containing black saponin A were collected, concentrated and dried to obtain the finished products of sage saponin A with purity of more than 90%.


Q:Black grass extract, is extracted with what?

A:With black grass seeds, black grass black seeds in their own capsule. Seeds germinate one week after planting in early spring. Plant shells began to black, to the harvest time. After harvest of black grass into a bundle of vertical or scattered dry. After drying the dried black grass, the seeds were air-dried again

Q:Black grass against allergic effect how?

A:Black grass with anti-allergy, anti-histamine, inhibit the characteristics of inflammation is extremely prominent, children with common fever, allergies, asthma, rash and other issues, can be improved by oral + topcoat.