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.

high quality Antidepressants Natural Hypericum perforatum Extract Hypericin powder

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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

Product Description

ProductName: St John's wort Extract

Latin Name: Hypericum PerforatumL.

Part Used: Whole Herb

Appearance: Brown Yellow powder

Active Ingredient: Hypericin

CAS Number: Hypericin 548-04-9;Hyperforin 11079-53-1

Molecular Weight: 504.4432

Molecular Formula : C30H16O8

Appearance: Light yellow fine powder



Ratio: 4:1~20:1

· 0.3% Hypericin

· 0.3% Hypericin 3% Hyperforin

· St. John's Wort 100% water soluble extract



Yellow Brown Powder






100% Pass 80 mesh



















Packaging & Shipping

[Storage] Stored in a clean, cool and dry area; keep away from strong, direct light.
[Shelf Life] 2 years when properly stored.
Inner double plastic bags--25kg/Fiber drum (35*35*53cm, GW: 28kg, NW: 25kg, 0.06CBM);
Inner double plastic bags--5kg/Aluminum foil bag (GW: 6.5kg, NW: 5kg);
Inner double plastic bags--1kg/Aluminum foil bag (GW: 1.5kg, NW: 1kg).
[Delivery] 5 working days after payment.
1. Preferentially DHL or FedEx for quantity less than 50KG; Air shipping for 100KG above;
Sea shipping for quantity over 500KG.
2. For customers from Russia, Mexico, Turkey, Slovenia, Romania, etc, before placing an order,
please kindly confirm if you can make clearance when goods reach your customs.

Our ServicesYuantai-----YourAlwaysTrustedPlantextractBrand.
4.Reasonable&competitiveprice,fastleadtime.Company Information

Shaanxi Yuantai Biological Technology Co., Ltd. was founded in May 2000, is a professional animal and plant extracts modern and advanced enterprise object, chemical intermediates and active ingredients of natural active throughout the country, plant extracts industry, research and development, production, marketing and other areas have a strong strength.

The company is headquartered in the outskirts of Xi'an, under research and development center as well as analysis and testing center, comprehensive strength in the national forefront of the industry.

Companies rely on the wisdom and innovation of advanced technology, scientific management and all the staff and a good team spirit, will enable the company to develop a domestic industry with sik-class product quality and international competitiveness of enterprises.

Thank you for your interest in our products.

Need more information or free samples for testing,Please contact us by

mail or call:

Mr Bevis Chou

Tel: 0086-029-86478251

Mobile: 0086-18292067795

We sincerely look forward to cooperating with you


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().
3. 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.
4.Q4:Is there a discount?
A:Different quantity has different discount.
5.Q5: 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.


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