【Product Name】: Swertia extract

【Botanical Name】: Swertia davida or Swertia bimaculata

【Part used】: Whole Herb

【Appearance】: Light Yellow to Off-White powder

【Specification】: Swertiamarine 40% 90% 95%

【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

Annual herb, height 0.3-1.4 (-2) m. The stem is cylindrical, branched above the middle. Cauline leaves opposite; sessile or short-stalked; leaf blade elliptic to ovate-lanceolate, 4-9cm long, 1-4cm wide, apex long and acuminate, base obtuse; leaf veins 3-5, curved, Obviously raised on the back. The flower is a large conical complex cyme, loose and unfolding, up to 50cm long, with many flowers, pedicels of unequal length, 0.6-4cm long; calyx is green, and it grows 1/4 to 1/2 of the corolla, 5-lobed , Lobes narrowly oboved or narrowly oval; corolla yellow, diameter up to 2.5cm, with many small purple spots on the upper part, flowers 5-lobed, lobes oval or oblong, 1-1.5cm long, with 2 yellows in the middle Green, semicircular large glandular spots; stamens 5, filaments linear; ovary lanceolate, sessile, about 8mm long, short style, small stigma, 2-lobed. Capsule narrowly ovoid, sessile, 2.3 cm long. The seeds are brown, round, with nodular protrusions on the surface. Flower and fruit period from June to November.

Chemical Composition

It mainly contains ketones, flavonoids, iridoids, triterpenes and other ingredients.