Xi'an Prius Biological Engineering Co.,Ltd
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Valerian extract is a product extracted from the roots of collar grass. the commodity extract is usually labeled as containing oxalic acid 0. 8%, or 5% with volatile oil.
Where does the valerian extract come from?So what is valerian?
In ancient Greeks, valerian was used to promote digestive and urinary disorders. Since the 17th century, western medicine has been used to treat neurological diseases such as epilepsy, sores, anxiety and insomnia. By the 18th century, valerian became a major nervous system drug. In the 19th century, it was very popular in the treatment of female neurological diseases. It was called "19th century stability". It was widely used in the treatment of cold and heat disorders, subconscious movement, body imbalance, hiccups, anxiety, fear, fear, etc.
Valerian is now widely used in Europe and are increasingly popular in the United States, Canada, Australia and New Zealand, where Valerian preparations can be purchased in pharmacies or prescribed by doctors. Valerian is listed in the Pharmacopoeia of more than 20 countries, including the United States, Australia, Belgium, Brazil, Chile, France, Germany, the Netherlands, Poland, Portugal, Russia, Spain, Switzerland, India, Japan, Czechoslovakia and Romania; Valerian was recorded in the Compendium of Materia Medica of Ming Dynasty, and spider incense, a plant of the same genus, was included in the 1997 edition of Chinese Pharmacopoeia.
There are more than 200 species of valerian in the world, most of which are distributed in temperate regions, including Eurasia, South America and central North America. The UK, Belgium, the Netherlands, Russia, Germany grow more, and Eastern Europe, India, the United States, Japan and Mexico can grow more. Valerian is easy to breed and grow. There are about 28 species of valerian in China, and about 10 species of medicinal valerian, which are mainly distributed in southwest, northwest, North China and other regions. Valerian is cultivated in a small amount in China, such as the Biaohu Forest Farm in Hubei Province, which has a planting base of at least 1000 mu of valerian.
Valerian is a perennial herb with a height of 100-150 cm.Stems erect, with longitudinal striations, with spindle-like rhizomes or mostly elongated fibrous roots. Basal leaves are plexiform, long oval, single pinnate compound leaves or irregular deep fissures, small leaves 9 - 15, large apical lobes, few serrations on the whole edge, long petioles, sheath-like base; Stem leaves opposite, sessile, pinnately cleaved, single pinnate, lobes 4.10 on each side, lanceolate, whole or with irregular coarse teeth; upward leaves tapering.Umbrella inflorescence is terminal, arranged neatly; flowers are small, white or purple red; bracts ovoid lanceolate, ciliated; calyx degenerates; corolla tubular, about 5 mm long. The cleavage is long round; the male is slightly longer than the corollary tube; the sub-room is lower and long round. The fruit is smooth and has 1 seed. Flowering period 6 - 7. The fruit period is from July to August.
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