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     Nanjing Qingze Medical Technology Development Co.Ltd 

     About this company : Nanjing Qingze Medical Technology Development Co.Ltd is one of the leading manufacturers and exporters of botanical, herbal and plant extracts in China. Most of our products are sold in USA, Singapore, Malaysia, , Vietnam, taiwan and so on!pending on China Pharmaceutical University and Nanjing University, we do our best to produce good herb extract for all over the world! We have a series of scientific instruments such as Waters HPLC,UV to control and ensure the product quality. We could supply almost all kinds of herb monomers and herb extracts with lower price due to super R&D ability and unique process. Now we sincerely hope to explore cooperation opportunities with you on the basis of mutual benefit and common development .If you need herb extracts or monomers from natural plants, do not hesitate to contact us!

     Contact : Figo Wei, Export sales 
     Headquarters : 1-1 Ningshuang Road ,Yuhuatai Area, Nanjing, Jiangsu, 210012, China
     Phone : 86-25-51557103, Fax : 86-25-85328433 
     Website : Log on to trade instantly , Email : Log on to trade instantly

     ---- Branch 1 ---
     Contact : FigoWei
     Address : 1-1 Ningshuang Road ,Yuhuatai Area, Nanjing , Jiangsu, 210012, China
     Phone : 0086-25-51557103, Fax : 0086-25-85328433

     L-Menthol 98% L-Menthol 98% 98%

synonyms: Menthol、Pepermint camphor Herb source: Menthol haplocalyx Bing Structural formula: Molecular Formula: C10H20O, Molecular Weight: 156.27 CAS Number: 2216-51-5 Physics Properties:white crystal Pharmacology function: Antipruritic,anti- Pain, Anticorrosion , Anesthesia , Cool, Anti-inflammatory , Treating Headache ,
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     Amygdalin 98% Amygdalin 98% 98%

Herb source:First isolated from bitter almnds ,seeds of Prunus amygdalus (Rosaceae);the sugar moiety is gentiobiose ;this is typical for seeds of many members of Rosaceae,and trace amounts may be preent in the fleshy parts of fruits ,in bark and leaves;also it is found in subterranean parts of Gerbera jamesomii cultivars (Compositae )together with vicianin(q.v.)and prunasin(q.v.).An isomer of amygdalin with sophorose(q.v.)instead of gentiobiose(q.v.) as the leaves of Perilla frutescens (Labiatae). Synonyms:Amygdaloside;Mandelonitrile-β-gentiobioside Structural formula: Molecular Formula: C20H27NO11 Molecular Weight: 457.44 Physics Properties:square crystal ,melting point 2000C, soluble in the water ,ethanol, hardly soluble in the aether. Pharmacology function:It has been used ,interchangeably with mandelonitrile-β-glucuronide ,as the drug “laetrile”for treating cancer ,but is ineffective .Amygdalin is responsible for the bitterness and toxicity of the seeds of bitter almond (100umolg-1)and of apricots (20-80umol g-1).Minimum lethal dose to human of hydrogen cyanide is 0.5-3.5 mg per kg body weight.
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     Bilberry Extract 25% Bilberry Extract 25% UV 25%

China Bilberry extract,Europe Bilberry extract Scientific Name: Vaccinium Myrtillus L Specification: Anthocyanidins:25% UV Botanical name : Vaccinium vites-idaea L. Vaccinium Uliginosuml Molecular formula: C27H31O16 Specification: 25% Anthocyanidins UV Products introduction: Europe Bilberry also named America Blue Berry, it mainly grow in Europe, North America. Bilberry P.E. is helpful to improve eyesight, it is reported that during World WarII, English bomber pilots improved their vision in night by taking Bilberry Extract. Functions: assist in a variety of visual problems including myopia, retinal disturbances, eye strain/visual acuity, pigmentary retinitis, diabetic induced cataracts, help eyes adapt to darkness more effectively, and help against day and night blindness Package: 25kgs/drum Size: I.D40cmX H55cm For more information, pls feel free to contact me!
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     Chlorogenic acid 25% 50% 98% Chlorogenic acid 25% 50% 98% 25% 50% 98%

Herb source: CORTEX EUCOMMIAE杜仲 HONEYSUCKLE金银花 Structural formula: Molecular Formula: C16H18O9; Molecular Weight: 354.30 Physics Properties:soluble in the water ,light soluble in the ethanol and acetone ,hardly Pharmacology function:anti –cancer, extend antibacterium ,profit courage and hemostasia, improve hemoleukocyte and antivirus.
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     Diosgenin 98% Diosgenin 98%

Herb source: Wild Yam(Dioscorea Villosa)P.E. Plant Part Used, Dioscorea Villosa,Dried Root of Wild Yam Content Standardized,Diosgenin 6%~20,95%~98%HPLC. Structural formula: Pharmacology function: Herb source: Wild Yam(Dioscorea Villosa)P.E. Plant Part Used, Dioscorea Villosa,Dried Root of Wild Yam Content Standardized,Diosgenin 6%~20,95%~98%HPLC. Structural formula: Molecular Formula: C27H42O3, Molecular Weight: 414.61 Physics Properties:white or light yellow crystal powder ,without remarkab odour ,soluble organic solvent and acetic acid ,no soluble in the water.
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     Galanthamine Hydrobromide 99% Galanthamine Hydrobromide 99%

Herb source: Lycoris radiata (LHer.) Herb. Molecular Formula: C17H21NO3.HBr Molecular Weight: 368.27 Structural formula: Physics Properties:White crystal Powder ,scentless ,soluble in the water,soluble small in the ethanol ,soluble hardly in the chloroform or aether. Purity: Minimum 99% Quality: HPLC MIN 99%, single impurity no more than 0.4% Melting point:258-264c PH:4.5-6.5 Pharmacology function:Anti-ACHE Anesthesiology use for neurology Use for ophthalmology Use for gastroenterology, intensive care and resuscitation, cardiology, physiotherapy
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     Genistein 98% Genistein 98% HPLC 98%

Herb Source Genista tinctoria Linn. Sophora subprostrata Chun et T. Chen Trifolium pratense Linn Synonyms 5,7,4'-trihydroxyisoflavone,Prunetol,Sophoricol,Genisteol. Structural formula: Molecular Formula and Molecular Weight C15H10O5;270.25 Melting Point 297’C-298’C Solubility Soluble in DMSO and ethanol,Practically insol in water Appearance Light Yellow Fine Powder Claims Reduces cholesterol and triglyceride levels Reduces risk of heart disease Suppresses menopausal symptoms (hot flashes) Reduces bone breakdown (osteoporosis) Pharmacology Genistein belongs to the isoflavone class of flavonoids. It is also classified as a phytoestrogen. Phytoestrogens are plant-derived nonsteroidal compounds that possess estrogen-like biological activity. Genistein has been found to have both weak estrogenic and weak anti-estrogenic effects.
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     Ginkgo Biloba P.E. Ginkgo Biloba P.E. 24/6

Ginkgo Biloba P.E. >> Ginkgo Biloba P.E. Product Name:Ginkgo Biloba P.E. ginkgo flavoglycosides24% , Terpene Lactones6% ginkgo flavoglycosides24% , Terpene Lactones6% , Acid<5ppm ginkgo flavoglycosides24% , Terpene Lactones6%, Acid<1ppm Specifications: 1) Extracted part: dried leaves 2) Extract solvent: ethanol 3) Extract medium: none 4) Storage: Tightly sealed in a clean, cool, dry area. Keep away from strong, direct light. Do not freeze 5) Appearance: fine, light yellow brown to light brown colored powder 6) Particle size: 97% passed 80 mesh 7) Loss on Drying: < 4.0% 8) Arsenic: < 1ppm 9) Heavy Metals: < 5ppm 10) Pesticide: < 10ppm 11) Total plate count: < 1000cuf/G 12) Yeasts and molds: < 100cuf/G 13) Eli: negative [Pharmacology function] Dilation of blood vessel and protection of enhelia tissues in the blood vessel, protection of LDL?, blood circulation improvement, inhibition of PAF, inhibition of the formation of the thrombosis, memory improvement, free radical scavenger, oxygen supplementation, prevention of artery hyperkinesia.
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     Luteolin 98% Luteolin 98% 98%

Herb source: Rosmarinus officinalis (Rosemary) Structural formula: Molecular Formula: C15H10O6 Molecular Weight: 286.23 Physics Properties:light-yellow fine powder Pharmacology function: Luteolin Inhibits Vascular Enhelial Growth Factor-Induced Angiogenesis; Inhibition of Enhelial Cell Survival and Proliferation by Targeting Phosphatidylinositol 3'-Kinase Activity.
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     Quercetin 98% Quercetin 98% 98%

Quercetin synonyms:3,5,7,3’,4’,-Pentahydroxyflavone Herb source:The commonest flavonoid in higher plants ,usually present in glycosidic form (see rutin,isoquercitrin.quercitin,hyperin and quercimeritrin),but also isolated free from the families compositae,Passiflorae,Rhamnsceae and Solanaceae. Structural formula: Molecular Formula: C15H10O7; Molecular Weight: 302.23 Physics Properties:yellow needle crystal Pharmacology function:Inhibits many enzymes ,e.g.,protein kinase C,lipogenases ,lens aldose reductase,3’,5’,-cyclic adenosine monophosphate phosphodiesterases,It is a radical scavenger,Quercetin also in hibits smooth muscle contraction ,and proliferation of rat lymphocytes is antibacterial,antiviral and antihepatotoxic,and shows some mutagenic activity and allergenic properties.
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     Resveratrol 50% 98% Resveratrol 50% 98% 50% 98%

Botanical Source: Root of Polygonum cuspidatum Sieb. Molecular formula: C14H12O3 Molecular weight : 228.24 Pharmacology function Antibiotic antivirus , antitumor , resists the hepatitis , suppresses the agglutinate production with plain B2 of thrombus of blood platelet . It can prevent low density fat albumen from oxidize , have potential prevention and cure cardiovascular disease , gives protection against cancer , antivirus and immune regulating action , its function is shown as its anti-oxidant characteristic mainly. Package: 25 Kg/ fiberboard drum Storage: Store in cool & dry area, keep away from the direct light and heat. Shelf life: Two years if properly stored
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     Sodium Aescinate 98% Sodium Aescinate 98% 98%

Sodium Aescinate Mostly ingredient:natrium salt of Aescin Molecular Formula: C55H85NaO24, Molecular Weight: 1153.2 Appearance:white powder or crystal,it is bitter and peppery. Pharmacology fuction: Anti-effusion and ant-iinflammation; Increase the vein strein and Strengthens veins; Reduces swelling in the legs; Improve blood circulation.
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     Ursolic acid 90% 95% 98% Ursolic acid 90% 95% 98%

Herb Source: Leaf of Glossy Privet Synonyms: Ligustrum lucidum Ait Structural formula: Molecular Formula and Molecular Weight C30H48O3;456.68 Appearance white powder Description : Medicinal plants containing ursolic acid have been used in folk medicine before it was known which constituents were responsible for their therapeutic effectiveness. Contemporary scientific research which led to the isolation and identification of ursolic acid revealed and confirmed that several pharmacological effects, such as, anti-tumor, hepatoprotective, anti-inflammatory (oral and topical), anti-ulcer, antimicrobial, anti-hyperlipidemic and antiviral, can be attributed to ursolic acid1. However, its anti-inflammatory (topical), anti-tumor (skin cancer), and antimicrobial properties are pertinent to the cosmetic industry.
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