Useful and therapeutic properties of burdock
family Asteraceae (Asteraceae) - Asteraceae
The generic name is derived from the Greek word arktos - bear due to the size of the leaves.Species definition is derived from the Celtic lappa - hand as fruits cling to clothing and animal fur numerous "paws" in the form of curved hooks.
Botanical description.Biennial herbaceous plant with a rod branched root.In the first year of life it juicy, and the second uses the nutrients and becomes flabby and hollow inside.Plants of the first year of life have a rosette of large leaves stalked, while the second - is erect, ribbed, reddish, branched at the top of the stem 60-180 cm high.Stem leaves alternate, less basal, cordate-ovate, with a few hairs from the top, bottom - grayish felt.
flowers are collected in a globular baskets.Involucre naked baskets, green, consisting of hard, hooked-folded leaves, clinging to animal fur, human clothing, which contributes to the spread of the plant.All tubular flowers, lilac-purple.Fruits - oblong achenes with a short tuft of
Flowers in July - August.The fruits ripen in August - September.
Geographical distribution.It grows in the housing,
roads, water bodies, on vacant lots, weedy places, boundaries, field fringes.Distributed almost throughout the territory of the USSR.
collection and drying.Collect the roots of plants of the first year of life, that are not stem.Plants second year with stems are not used.The root of their nutrient consumed, and with them, and biologically active substances.Collection is carried out in September - October.Plants dug with shovels, shake off the ground, cut off the aerial parts and roots of thin, separated from the main root thick side and wash.Washed roots cleaned of cork.This is often done after withering.Thick cut lengthwise, and dried in the sun, in attics or other ventilated areas.The dried roots are broken, and do not bend.
medicinal raw materials.Ready raw material - Burdock Root - Radix Bardanae (Radix Arctii lappae) consists of a cylindrical, partially longitudinally cut, peeled grayish-brown on the outside, pale gray to break the roots.The smell is weak, peculiar, taste sweet.When wetted iodine coloration does not.
7907/370 OST allows: moisture not more than 13%;roots and stems residues not more than 1%;brownish roots no more than 5%;root pieces less than 2 cm in length of not more than 5%;Organic impurities are not more than 0.5%;mineral impurities are not more than 1%.
raw material defect is an impurity of the roots collected from plants of the second year.They flabby, lightweight, often with an air cavity inside, woody.
chemical composition.Burdock root contains arktiin glycoside, which is cleaved by hydrolysis into glucose and arktigenin lactone, and 45% inulin polysaccharide, fatty oil;to 0.17% essential oils, flavonoids, tannins, mucus, organic acids, including coffee, malic and citric acid, sitosterol and stigmasterol, slightly bitter compounds and others.
Action and use.Burdock root is a diuretic, which is apparently due to the glycoside arktiinom.It has anti-inflammatory effects and property to enhance hair growth.Due to the high content of inulin, which on hydrolysis is converted to fructose, is useful in diabetes.
decoction of the roots of the rate of 20, at the 200 ml of water each appoint 1/2 cup 2-3 times a day to stimulate the metabolism and as anti-inflammatory agent for arthritis and arthrosis, rheumatism, gout.As a diuretic decoction is indicated for kidney stones.
oil extract with peach or olive oil, essential oils parfyumerizirovanny called burdock oil is used as a means to strengthen and hair growth.