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HomecompanySt. John's Wort Extract
St. John\'s Wort Extract
St. John\'s Wort Extract
St. John\'s Wort Extract
St. John\'s Wort Extract
St. John\'s Wort Extract

St. John's Wort Extract

Price USD10.00
Packge 1kg
  • Min. Order:1kg
  • Supply Ability:10000
  • Time:2022-07-26

Product Details

  • Product NameSt. John\'s Wort Extract
  • CAS No.548-04-9
  • EINECS No.208-941-0
  • MFC30H16O8
  • MW504.44
  • Appearancepowderblack
  • Melting point 299-301°C
  • storage temp. -20°C
  • Water Solubility Soluble in ethanol, dimethyl sulfoxide, methanol, acetone, ethylmethylketone, pyridine and sodium hydroxide. Insoluble in water.
  • Boiling point 1020.3±65.0 °C(Predicted)
  • density 1.915±0.06 g/cm3(Predicted)

Product Name: St. John's Wort Extract

Synonym: Hypericum Perforatum Extract

Appearance: Brown to balck fine powder

Botanical Source: Hypericum Perforatum L.


St John's wort is a perennial plant with extensive, creeping rhizomes. Its stems are erect, branched in the upper section, and can grow to 1 m high. It has opposing, stalkless, narrow, oblong leaves that are 12 mm long or slightly larger. The leaves are yellow-green in color, with transparent dots throughout the tissue and occasionally with a few black dots on the lower surface.[1]  Leaves exhibit obvious translucent dots when held up to the light, giving them a ‘perforated’ appearance, hence the plant'sLatin name.


If you want to know more, email to: sales18@staherb.cn or call us:+86 13548561509 or send online message. Staherb is pleased to serve you.


Company Profile Introduction


Changsha Staherb Natural Ingredients Co., Ltd., a good supplier of professional herb extracts, especially those with high purity and standardized production process. Our company devotes to supply high quality products and services to customers in R&D and production fields of health products, cosmetics, feed additives and biopesticides. 

    With cordial and professional R&D, sales and after-sales service groups, Staherb has potent capabilities both in R&D and production. The company persists in high investment on R&D of active ingredients of plants and promotes innovation on demands of customers. Upon constant R&D and tracing of new technologies and new products, Staherb makes effective cooperation with famous research institutes, such as CAS Kunming Institute of Botany, State Key Lab of Hunan Forest Products and Chemical Engineering, Hunan Agricultural University and so on. 

    Now the main products of Staherb are standardized high purity plant extracts, including Epimedium (10-98%), Euccomia Bark Extract (5-95%), Amygdalin (50-98%), Ursolic acid (25-98%) and Corosolic acid (1-98%). In order to meet customers’ research needs, our company also provides over 600 plant extracts, most of which are high-purity monomer plant compounds and reference substance. And some products can be supplied with milligram-scale, kilogram-scale or even to ton-scale. In addition, based upon the powerful R&D capability, Staherb can provide both products customization services and R&D outsourcing services according to customers’ specific requirements, so that to meet their continual innovation needs in the fields of natural products’ discovery and production. 

    Staherb endeavors to accelerate the response rate of supply chain as well as improve the service superiority upon customers’ continual innovation needs. It also devotions to establish good partnerships with customers and to construct a safe development model which is forward-looking, reciprocal and coexisting, thus to create long-term value for customers through division and cooperation as well as complementation. 

  • Since:2010-04-06
  • Address: No. 186, Lugu Valley Garden Road, High-tech Dev. Zone, Changsha, Hunan, China
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