【Product Name】: Red Clover Extract

【Botanical Name】:Trifolium pratense L

【Part used】:Aerial Part

【Appearance】: Brownish Yellow or Brownish Grey powder

【Specification】: 4：1  10：1 /Regular Powder/ Isoflavones 5-40%

【Storage Period】: 24 Months

【Package】: 1kg/bag 25kg/drum

【Test Method】: HPLC

【Storage Conditions】: Store in cool and dry places. Keep away from strong light and heat.

Description

Perennial herb, 30-60cm high. The stems are erect or obliquely ascending, with many branches, sparsely white pilose. Three compound leaves; leaflets 3, sessile; leaf blade elliptical ovate to broadly elliptic, 2.5-4cm long, 1-2cm wide, blunt apex, round cuneate base, veins extending to the edge of the leaf, slightly protruding into not Obviously fine teeth, long hairs on the back; stipules ovoid, sharp at the apex, adnate to the petiole, holding the stem at the base. The inflorescence is capitate, axillary, with large involucre, involucre ovoid, with transverse veins; calyx is simple, with 5 calyx teeth, linear-lanceolate, the bottom 1 calyx tooth is longer, more than twice the other teeth; The corolla butterfly-shaped, purple or lavender, the flag petals are narrow and diamond-shaped, the wing petals are oblong, the base has ears and claws, the keel petals are slightly shorter than the wing petals; the ovary is oval, the style is filamentous, and slender. The pods are small, obovate, about 2mm long, encased in the persistent calyx, and the pericarp is membranous with longitudinal veins. 1 seed, kidney-shaped, yellow-brown. Flower and fruit period from May to September.

Chemical Composition

The whole plant contains a variety of flavonoid compounds: biochanin A and B, genistein, daidzein, and pratensein, pratoletin, trifolirhizin, pectolinarin. The flowers contains trifolin, isorhamnetin, trifoliol ( pratol) and other flavonoids, and it also contains salicylic acid, p-hydroxy cinnamic acid and volatile oil. The leaves contain folic acid, folinic acid, a small amount of sterols, glycerides, phospholipids, glycolipids, hydrocarbons and other ingredients. The whole leather still contains α and β-aroene, vitamins (D, E),  sugars And starch, etc.