Product name: Triptolide Specification: 98% Testing method : HPLC Appearance: white powder Plant Source: The herb of lei gong teng comes from the roots, leaves and flowers of the tripterygium wilfordii Hook. f. It is collected during summer and autumn. Lei gong teng is a deciduous climbing vine growing to 12 meters, with brown, angular, downy twigs. The leaves are light green, smooth on top, and pale gray with light hairs underneath. They have crenate margins and pointed apexes, and are ovate to elliptic, 5-15 cm long, 2.5 - 7 cm wide. The scented hermaphroditic (having male and female organs) flowers are small and whitish with five petals and are about 9 mm across. The fruit is 3-winged, and brownish red, about 1.5 cm long. The plant can grow in light (sandy), medium (loamy) and heavy (clay) soils. It can survive in acid, neutral and basic (alkaline) soil. It can grow in semi-shade (light woodland) or no shade. It requires moist soil. Distribution: Native of southern part of mainland China, Taiwan, Burma Storage: In dry place with low temperature, avoid light Long Term Storage:-20 ? Shelf life: The guarantee period is 5 years when properly stored Packing: 1-500g or upon client's request. Solubility: Soluble in DMSO or 100% ethanol Technological process: rawmaterial Pretreatment extraction concentration chromatography recondense drying product Active ingredients: Molecular formula: C20H24O6 Molecular weight: 360.39 CAS Number:38748-32-2 Medical Function: 1. Effects on immune system 2. Effects on anti-inflammatory 3. Effects on anti-cancer 4. Effects on contraception 5. Effects on urinary system 6. Effects on anti-organism and worms 7. anti-tumor and immunosuppression, has fairly high toxicity Traditional Chinese medicine : Traditionally, lei gong teng dispels wind and dampness, and is usually used to treat bi zheng (painful obstruction syndrome). Lei gong teng relieves pain and reduces swelling in patients who have swollen joints and difficulty moving. It can be used alone or with other antirheumatic . This herb is also known as qi bu si, litera