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Apocynum Venetum Extract
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Description
| Article | Spécification |
|---|---|
| Nom du produit | Apocynum Venetum Extract |
| Nom latin | A. venetum L. |
| Synonyms | Jiji hemp, Zeqi hemp, Red flower grass, Wild tea |
| Méthode d'essai | TLC |
| Apparence | Brownish yellow powder |
| Spécification | 10:1, 20:1, or customized according to customer requirements |
| Source d'extraction | Whole herb of Apocynum venetum L. |
| Composants chimiques | Leaves: quercetin, isoquercitrin, hyperoside, rutin, (+)-catechin, glutamic acid and other amino acids, nonacosane, lupenyl palmitate, myricyl palmitate, meso-inositol, potassium chloride, tannins, polysaccharides, lupeol, scopoletin, etc. Roots: cymarin, K-strophanthin-β, strophanthidin, etc. |
| Distribution principale | Grows in sandy areas along riverbanks, mountain valleys and slopes. Distributed in Liaoning, Jilin, Inner Mongolia, Gansu, Shaanxi, Shanxi, Shandong, Henan, Hebei, Jiangsu and northern Anhui, etc. |
| Morphologie des plantes | Perennial herb, 1–2 m high, whole plant containing latex. Stem erect, glabrous. Leaves opposite, elliptical or oblong-lanceolate, 2–5 cm long, 0.5–1.5 cm wide, base rounded or cuneate, apex obtuse with a mucro extended from midrib, margin slightly revolute, smooth and glabrous; petiole short. Cymes at stem apex or on branches; bracts small, membranous, lanceolate, apex acute; calyx 5-lobed, lobes lanceolate or triangular-ovate, about 2 mm long, pubescent; corolla pinkish or pale purple, campanulate, lower part tubular, upper part 5-lobed, with 5 coronae at base inside corolla, nectaries on disk margin; stamens 5, anthers poricidal; pistil 1, stigma 2-lobed, green. Follicles long-horned, yellowish-brown with purplish blush when mature, 10–15 cm long, 3–4 mm in diameter, dehiscing along thick veins when ripe, releasing seeds. Seeds numerous, yellowish-brown, approximately jujube-stone-shaped, with a tuft of white slender hairs at apex. Flowering period: June–July. Fruiting period: August–September (Northwest, Northeast China). |
| Conditions de stockage | Sealed, protected from light and high temperature; stored in a dry, cool and well-ventilated place. |
| Emballage | Bulk: 25 kg/drum; sample: 1 kg/aluminum foil bag; or according to customer requirements. |
| Transport | Express or logistics. Domestic delivery: 3 days by express, 5 days by logistics. Quotation usually includes domestic transportation cost. |
| Durée de conservation | 2 ans |
