Sophora Japonica Flower Bud Extract

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Item	Description
Product Name	Sophora Japonica Flower Bud Extract
Latin Name	Flos Sophorae Immaturus
Aliases	Bai Huai, Huai Hua Mi, Huai Zi
Part Used	Dried flower buds and flowers
Product Description	The flower buds of Sophora japonica L. (Fabaceae). Plant morphology: Deciduous tree, 15–25 m tall. Pinnately compound leaves alternate; rachis pubescent, base swollen; leaflets 9–15, ovate‑oblong, 2.5–7.5 cm long, 1.5–5 cm wide, apex acute, base broadly cuneate, lower surface grayish‑white, sparsely pubescent. Panicles terminal; calyx campanulate with 5 small teeth; corolla milky white, standard broadly cordate with a short claw and purple veins, wings and keel slightly purplish at margins; stamens 10, free, unequal in length. Pods fleshy, moniliform, 2.5–5 cm long, glabrous, indehiscent. Seeds 1–6, reniform. Flowering period: July–September; fruiting period: September–October.
Origin & Distribution	Mainly produced in Henan, Shandong, Shanxi, Shaanxi, Anhui, Hebei, Jiangsu, Guizhou, China. In recent years, Ningxia and Gansu have also developed large‑scale cultivation. Vietnam also has extensive planting.
Extraction Ratio	Multiple ratios available: 10:1, 20:1, 30:1, etc.
Powder Appearance	Brown fine powder
Particle Size	100% passes 80–120 mesh (customizable)
Test Method	TLC
Storage	Store in a sealed container, protected from light and high temperature; keep in a dry, cool, and well‑ventilated place.
Packaging	Bulk: 25 kg / fiber drum; sample: 1 kg / aluminum foil bag; custom packaging available upon request.
Shipping	Express or logistics. Domestic express usually arrives within 3 days; logistics usually within 5 days. Quotation generally includes domestic shipping.
Shelf Life	2 years