What is Hong Qi?
Hong Qi is the dried root of
Hedysarum polybotrys Hand. - Mazz.
Hongqi has the effect of tonifying qi and raising yang, fixing the surface and stopping sweating, promoting water and swelling, nourishing the blood, promoting stagnation and paralysis, supporting toxicity and draining pus, and astringing sores and creating muscle. It is often used for deficiency of qi and weakness, loose stools with little food, sunken middle qi, prolonged diarrhea and prolapse of anus, blood in the stool and leakage of blood in the wound, superficial deficiency and spontaneous sweating, edema of qi deficiency, internal heat and thirst, blood deficiency and yellowing, hemiplegia, paralysis and numbness, carbuncles and gangrene that are difficult to collapse and do not converge.
Physiological properties of Hong Qi
Hong Qi is a perennial herb, 100-120 cm tall. Roots taprooted, coarse-like, deep and long, about 1-2 cm thick, with dark reddish brown outer bark. Stems erect, cespitose, much branched; branches stiff, glabrous, slightly flexuous. Leaves 5-9 cm long; stipules lanceolate, brownish scarious, connate to distal; petioles usually inconspicuous; leaflets 11-19, with short stalk ca. 1 mm; leaflets ovate-lanceolate or ovate-oblong, 18-24 mm long, 4-6 mm wide, apex rounded or obtusely rounded, usually cuspidate, base cuneate, glabrous above, appressed pilose below. Racemes axillary, generally not exceeding leaves in height; flowers numerous, 12-14 mm long, with filiform pedicels 3-4 mm long; bracts subulate-lanceolate, equal to or slightly shorter than pedicels, pilose, often caducous; calyx obliquely broadly campanulate, 4-5 mm long, pubescent, calyx teeth triangular-subulate, with a broad retuse between teeth, upper calyx teeth ca. 1 mm long, lower calyx teeth twice as long as upper calyx teeth; corolla yellowish, 11-12 mm long 11-12 mm, flagellum obovate, apex rounded and retuse, pterygoid petals linear, equal to or slightly longer than flagellum, keel petals 2-3 mm longer than flagellum; ovary linear, pubescent. Pods 2-4-noded, pubescent, nodal pods suborbicular or broadly ovoid, 3-5 mm wide, sides retuse, with obvious reticulation and narrow wings. Fl. July-August, fr.
Hong Qi vs. Huang Qi
Hong Qi herb
Hong Qi and Huang Qi are two herbs that differ in origin, color, nature, taste, and astringency, as well as in efficacy and treatment of diseases.
Hong Qi in English is Red Astragalus, while Huang Qi in English is Astragalus.
Different sources
Hong Qi herb is the dried root of Astragalus multiflora, family Leguminosae; Huang Qi herb is the dried root of Astragalus mongolicae or Astragalus membranaceus, family Leguminosae.
Different color
Hongqi and Huangqi are both in the form of thick slices of circular or oval shape. The smell is slight, taste slightly sweet, chewed with bean smell. The main difference is: red astragalus outer skin reddish brown or yellowish brown. Cut skin yellow-white, forming layer ring light brown, xylem light yellow-brown, radial texture. Astragalus outer epidermis yellowish white to light brown, visible longitudinal wrinkles or longitudinal grooves. Cut skin yellow-white, yellowish wood, with radial texture and fissures, some of the center of the occasional decay-like, black-brown or hollow.
Taste and properties
Red Astragalus and Astragalus are both sweet in nature and slightly warm. Returning to the lung and spleen meridian. It is used to tonify Qi and raise Yang, consolidate the surface and stop sweating, promote water retention and reduce swelling, produce fluid and nourish blood, move stagnation and pass paralysis, support toxicity and drain pus, and astringent sores and muscle.
Treatment of diseases
Both Hongqi herb and Huangqi herb can be used for Qi deficiency, weakness, loose stools with little food, Qi subsidence, prolonged diarrhea and prolapse, blood in the stool and leakage, superficial deficiency and spontaneous sweating, Qi deficiency and edema, internal heat and thirst, blood deficiency and chlorosis, hemiplegia, paralysis and numbness, carbuncles and gangrene that are difficult to collapse and do not converge after a long period of time.
Growth environment of Hong Qi
Hong Qi is a deep-rooted plant, cool in nature, with strong drought and cold tolerance, fear of heat and water, high temperature will inhibit the growth of above-ground plants. Soil moisture dogs, will cause root rot. Suitable for growth in deep, fertile, loose, well-drained sandy soils. If the soil is clayey, the main roots are short, the lateral roots are many, the growth is slow, and the yield is low. The flowering period is from the second quarter of June to the first quarter of July, and the fruiting period is from July to September. Astragalus seed coat is hard, poor water absorption, germination rate of 60 to 7oqb. Seed germination does not like high temperature. Ground temperature 7-80℃, humidity is suitable, 10-15 days to seedlings. Soil drought is not easy to sprout seedlings. Two years after sowing, it flowers and bears fruit.
Cultivation techniques of Hong Qi
Hong Qi planting
Hong Qi is a traditional and commonly used Chinese herb, which is the dried root of Astragalus multiflora, family Leguminosae. It was first published in Shen Nong Ben Cao Jing, and is classified as a top-quality herb with a sweet, slightly warm taste. It belongs to the lung and spleen meridians and has the effect of fixing the surface of the body to stop sweating, promoting the production of fluid and nourishing the blood. It is often used in cases of deficiency in the middle qi, and in cases of superficial deficiency and spontaneous sweating, and is of great medicinal value. In recent years, with the development of health products and proprietary Chinese medicine made of red astragalus, wild red astragalus is far from satisfying the demand of the medicinal herb market, and now artificial cultivation of red astragalus has been noticed.
Land selection and preparation
Hong Qi is a deep-rooted plant, planting to well-drained, sunny and deep yellow cotton soil slope is appropriate, black soil and half shade and half sunny slope can also be planted, should not be planted in the concave land, mu application of organic fertilizer 1600 kg, calcium superphosphate 20 kg, and then deep plowing and leveling.
Sowing
Hong Qi fresh seeds have a high germination rate, so fresh seeds are used for autumn sowing.
a. After the ground is raked and leveled, the red astragalus seeds are evenly scattered into the ground, lightly raked once with a rake, or swept with a branch, so that the seeds cover about 1 cm.
b. After sowing, open a trench at a row spacing of 30 cm and a depth of 3 cm, scatter the seeds evenly into the trench, cover the soil with about 1 cm, and sow 8-12 kg of seeds per mu.
Field management
Weeding and seedling setting
When the seedlings are 4-5cm high, weed the seedlings and weed the seedlings at the same time, and weed the seedlings again when they are 7-8cm high; when the seedlings are 10-12cm high, set the seedlings at a distance of about 20cm, keeping the number of plants per mu at about 16,000 plants, and 8,000 plants for the park seed field. After the seedlings are set, weeding is carried out for the third time.
Fertilization
The first - second year stems and roots of red astragalus cattle grow faster, can be combined with middle tillage and weeding to apply circle fertilizer or compost 1-2 times.
Pest and disease control
Hongqi mainly controls purple feather disease, powdery mildew and aphids, etc. Diseased plants should be pulled out in time and soil disinfection with 5% lime water should be carried out to prevent infection.
Harvesting and processing
Harvesting
Hong Qi can be harvested three years after sowing. The seeds are picked at the end of autumn when the stems and leaves are withered and dried in the shade to prevent mold, otherwise the seeds have no germination ability.
Processing
Cut the above-ground stems, dig out the roots, bundle into 3-4 kg small handfuls, processing or fresh sales.
Hong Qi benefits
Hong Qi has the functions of tonifying Qi and fixing the surface of the body, diuretic and detoxification, nourishing the blood, and astringent to sores and muscles.
Red Astragalus belongs to a kind of Chinese herbal medicine, which is a Qi tonic. It can be used to make water in daily life to nourish Qi and raise Yang, consolidate the surface and stop sweating, promote water retention and reduce swelling, and can be used clinically to improve symptoms such as Qi deficiency and weakness, loose food and stool, and sunken middle energy.
Hong Qi side effects
The side effects of Hong Qi are mainly to cause fire and it is not recommended to use large amounts of the medicine for a long time. In case of fire, you can choose a medicine to clear heat and defeat fire for regulation, but you need to choose it under the guidance of a doctor.
Although a small amount of red astragalus water is beneficial to the human body, but if you drink a large amount for a long time, it may lead to heat in the body, invasion of the body easily caused by fire, resulting in throat pain, yellow urine and other uncomfortable symptoms, which have adverse effects on human health. Therefore, it is important to control the amount of red astragalus water when drinking it.
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