Cold in nature.

Burdock, for the Asteraceae burdock plant burdock Arctiumlappa?L. fruit (burdock seed) and root. Burdock is distributed in the northeast, northwest, south-central, southwest and Hebei, Shanxi, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Guangxi and other places.

The fruit has the efficacy of evacuating wind-heat, declaring the lung and penetrating rash, dispersing knots and detoxifying; the root has the efficacy of clearing away heat and detoxifying, evacuating wind and facilitating the pharynx, and the flavor is pungent, bitter, and cold in nature.

The burdock prefers warm climatic conditions and is both heat and cold resistant. Seed germination temperature 20 ~ 25 ℃, plant growth temperature 20 ~ 25 ℃, the above ground part of the cold resistance is weak, meet 3 ℃ low temperature die, taproot cold resistance is strong, can withstand -20 ℃ of low temperature, the ground died in winter to taproot overwintering, the following spring sprouting growth.

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Extended Information:

About the value of burdock

1, nutritional value?

Burdock contains inulin, cellulose, protein, calcium, phosphorus, iron and other vitamins and minerals needed by the human body, of which the carotene content is 150 times higher than carrots, protein and calcium content for the root of the first. Burdock root contains inulin and volatile oil, burdock acid, a variety of polyphenolic substances and aldehydes, and rich in fiber and amino acids.

Burdock root contains a variety of essential amino acids, and the content is high, especially with special pharmacological effects of amino acid content is high, such as brain-boosting effect of aspartic acid accounted for 25%-28% of the total amino acids, arginine accounted for 18%-20%, and contains Ca, Mg, Fe, Mn, Zn, and other essential macronutrients and trace elements.

2, economic value

Burdock stems and leaves contain volatile oil, tannin, mucilage, caffeic acid, chlorogenic acid, isochlorogenic acid. Burdock fruit contains burdock glycosides, fatty oil, sterols, thiamine, burdock phenol and other chemical components, of which 25% -30% of the fatty oil, iodine value of 138.83, can be used as industrial oil.

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