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.

China Supplier Wholesale st.john's wort extract 100% Pure Natural hypericum Perforatum 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

China Supplier Wholesale st.john's wort extract 100% Pure Natural hypericum Perforatum Extract




















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Plant Extract ProcesCompany Information

FZBIOTECH is short for Xi’an Fengzu Biological Technology Co., Ltd, specializing in manufacturing the raw material of plant powder, plant extract, plant oil and biological pesticide products, OEM is also available. With the advantage of huge technical innovation capacities and an abundant reserve of knowledge on natural herb product, it has been ranked in the list of the leader plant extracts production enterprise.

Innovation promotes development, and technology leads to the future. FZBIOTECH has been devoting to researching and developing plant extracts for more than 10 years.With strict and scientific management, strong technical force, mature production technology, and relying on unique plant resources under the Qinling Mountains and water resources, we believe FZBIOTECH will be your best partner in Nutraceutical, Cosmetic, Pharmaceutical and Health Care industries.

FZBIOTECH was established in 2004, and located in the Industrial Park Wugong county, Xianyang, Shaanxi. Current production base cover 27,000 m2. Our production capacity is 3000 tons/year. And there are 10 sets extraction equipment in our work shops and we will keep on enlarging our production capacity.

We adhere to the principle of "customer supreme, credit-based"and has been providing our customers with high-quality and high-efficiency products and services. Based on our mission"Natural Source, Healthy Focus", we pursuit to create a win-win situation with customer, build harmony with our society and fight for a green and healthy world. Choose FZBIOTECH. Choose a healthy life!

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Why Choose Us?

Professional—more than 10 years experience
Responsible —natural source, healthy focus
Superior Service —customized products available

Our Advantage:

1.Professional Production Experience
2.Strict Test System
3.Faster delivery
4.Available OEM/ODM service
5.Timely response
6.Competitive price


Q1: Can i get some samples?

A: Yes, we can supply the free sample, but the shipping cost is paid by our your side.
Q2: How do I make an order?
A: Simply click our Head Portraits on the right of the website page.Then,you can talk with us.We will contact you and be happy to assist you with your order.
Q3: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information.We accept T/T (Telegraphic Transfer),Western Union or Paypal or Escrow().
Q4: 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.
Q5: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.
Q6: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q7:Is there a discount?
A:Different quantity has different discount.
Q8: 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.
Q9: How to contact us ?
A:You can chat with us by Trademanager,Skype Online,Whatsapp(+86 187 0006 2620)and email . You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply.


St. John's Wort (Hypericum perforatum L.) is native to and relatively widespread in the temperate climes of Europe, western Asia, and North Africa. It was also introduced to other temperate climes. It prefers sunny locations on dry, limy or primary rocky soils and is found on fallow land, the edges of meadows and forests, walls, and paths up to an altitude of 1500 metres.

Information of  St.John's Wort Extract

Product Name:   St.John's Wort Extract

Extraction part: Whole herb

Main component:  Hypericin

Appearance:  brown powder

Specification: 0.3%

Test Method: HPLC/UV

Active ingredients

1. Hypericum perforatum whole plant containing benzoanthracene compounds:

Hypericin, Pseudohypericin, Protohypericin, Protopseudohypericin, Cyclopseudoyhypericin, Iso-hypericin, Hypericin, Hypericin, Hypericin, (Isohypericin), emodin-anthrone (Emodinanthrone), hypericin dehydrogenation of two anthrone (Hypericode-hydrodianthrone) and so on. Pseudo-hypericin content is usually 2 to 3 times higher than hypericin, the original hypericin, the original pseudo-hypericin is mainly present in fresh plants in the sunlight will be converted to hypericin and pseudo Hypericin, ring pseudo-hypericin is pseudo-hypericin oxidation products.

Hypericin and Its Derivatives Structural Formula


Hypericum Latin name: Hypericum perforatum L.

CAS No. 548-04-9

EINECS 208-941-0

Molecular formula C30H16O8

Molecular weight 504.45

Purity: 95% to 99%

Analytical method: HPLC-DAD or / and HPLC-ELSD

2. Flavonoids:

Quercitrin, Isoquercitrin, hyperin (Hyperoside) (see Figure 2), luteolin, myricetin, quercetin, quercitrin, (Amentoflavone / 13, Ⅱ8-biapigenin), rutin (Rutin), proanthocyanidins (Proanthocyanidins) accounted for about 12% of dry plants.

3. Hypericum perforatum class:

Hyperforin (hyperforin), plus Hypericum perforatum (Adhyperforin) and so on.

4. Organic acids:

Caffeic acid (0.1%), chlorogenic acid, bitter acid, ferulic acid, ferulic acid and gentisic acid.

5. Other:

Long-chain fatty acids such as flavonoids, emodin anthracenes, alkanes and lauric acids, palmitic acid and some carotenoids (lutein, cis-Throllixathin, Throllichromone). Chinese name: hypericin


Basic Info.

Model NO.:SNT-322

Certification:SGS, ISO, FDA, HACCP

Assay Method:HPLC, UV

Application Form:Injection, Paste, Tablet, Capsule

Application:Health Care Products, Medicine, Beauty, Medicinal, Edible


Extract Source:Herba

Appearance:Brown Powder

Extraction Type:Solvent Extraction

Type:Herbal Extract

Main Component:Hypericin

Packaging Material:25kgs/Drum


Transport Package:25kg/Drum

Specification:10: 1

Origin:Xi′an, Shaanxi, China

HS Code:2932999099

Extraction Process

The preparation method of the extract of Hypericum perforatum includes the following steps: firstly, dry forsythia and crushed into powder of Hypericum perforatum, and then weigh the enzyme to dissolve the enzyme in the warm water, activate the enzyme solution into the water bath, mix the powder of Hypericum perforatum with water, , Cooling, adjusting pH with hydrochloric acid, shaking, water bath heating, adding the activation of the enzyme solution, mixing, enzymolysis, filtration, discard the filtrate, the enzyme powder, add ethanol reflux extraction, filtration, combined filtrate , Concentrating under reduced pressure, recovering ethanol and drying to obtain hypericum perforatum extract. The invention improves the hypericin content in the extract, and the filtrate discarded after enzymolysis takes away a large amount of water-soluble impurities, so that the extract does not Re-hygroscopic, the use of biological methods safe and pollution-free, simple operation, easy to industrial applications


  Q:Hypericum perforatum extract and hypericin What is the difference?
  A: Hypericum perforatum extract is a crude extract of Hypericum perforatum, hypericin is Hypericum perforatum in an effective component. Hypericum perforatum extract generally contains hypericin 0.3% 0.5% and so on. Hypericin is known as the monomer composition reached 98%, the price is also high amazing.

  Q: Hypericum perforatum effective for depression, there are no side effects
  A: Hypericum perforatum extract of the active ingredient hypericin can treat patients with moderate depression, and very few adverse side effects, antitussive, analgesic, hepatoprotective effect. Hypericin inhibits central nervous system and sedation, acts as a central nervous system inhibitor and antidepressant