What is Rehmannia What does Rehmannia look like

Rehmannia is a perennial herbaceous plant of the family Radix Radix Radix with yellow rhizomes, lilac flowers, oblong leaves, and wrinkles on them. The medicine is divided into raw and cooked places. The raw land has the effect of clearing heat and generating Jin, and the cooked land has the functions of nourishing yin and nourishing blood.

To put it simply, it is a kind of traditional Chinese medicine.

Liuwei Dihuang Pill is composed of six flavors of Chinese medicine: Rehmannia, Yam, Cornus officinalis, Poria cocos, Peony bark, and Zexiao. Rehmannia is the main medicine in Liuwei Rehmannia Rehmannia, which has the functions of nourishing yin and nourishing the kidney, nourishing blood and nourishing blood, and is often used for blood deficiency or kidney yin deficiency and other symptoms. Poria cocos and Ze Epsom are spleen-strengthening and damp-dispelling drugs, with spleen-invigorating, infiltrating, diuretic and soothing functions, yam and dogwood can tonify the spleen and benefit the liver and kidneys.

It is often used for symptoms such as soreness in the waist and knees, spermatozoa, dizziness, dizziness, self-sweating, diarrhea and other symptoms caused by spleen deficiency, liver and kidney insufficiency. Peony skin can clear heat and cool blood, and is suitable for yin deficiency and fever caused by blood heat. Liuwei Dihuang Pill, which is composed of the above six flavors of traditional Chinese medicine, has the effect of nourishing yin and strengthening the spleen, and nourishing the liver and kidneys.

It is often used for dizziness, soreness and weakness of waist and knees caused by liver and kidney yin deficiency.

Traditional Chinese medicine Rehmannia is divided into raw and cooked ground. The raw land has the effect of clearing heat and nourishing yin, and the cooked land can nourish the blood and replenish the blood. The name Rehmannia is used in Liuwei Rehmannia Pill to highlight that it plays a very important role in this medicine. There are many such in Chinese patent medicines.

Rehmannia is good for women and is a beauty ingredient.

Rehmannia looks like this:

Rexambalism. 10-30 cm high, densely covered with grayish-white multicellular pubescence and glandular hairs. The rhizomes are fleshy and fat, yellow when fresh, and under cultivation conditions, can reach a diameter of centimeters, and the stems are purplish-red.

The leaves are usually rosette-like at the base of the stem and strongly reduced to bracts upwards.

or progressively shrinking and alternate on the stem; Leaves ovate to oblong-elliptic, green above, slightly purple or purplish-red below, 2-13 cm long, 1-6 cm wide, margins irregularly rounded or obtusely serrated to teeth; The base is tapered into a stalk, and the veins are concave above and bulging below.

The flowers are peduncles long centimeters, the peduncles are weak, curved and then rising, and are slightly arranged into racemes at the top of the stems.

or almost all solitary leaf axils scattered on the stem.

Capsule. ovate to oblong-ovate, centimeters long.

Cultivation techniques

Rehmannia prefers loose and fertile sandy loam, and clay red loam, yellow loam or paddy soil is not suitable for planting. Rehmannia is a light-loving plant, and the planting land should not be close to the forest edge or intercropped with tall crops.

When the soil temperature is 11 13, the emergence of seedlings should be 30 45 days, 25 28 is the most suitable for germination, if the soil moisture is suitable in this temperature range, germination one week after planting, 15 20 days of soiling; 8 The following rhizomes cannot sprout. It takes 150 160 days from planting to harvesting.

<> "The picture above is the aboveground part, the middle picture is the rehmannia growing underground, and the last one is the processed Chinese medicine raw rehmannia.

Answer]: C This question examines the origin of Rehmannia rehmannia. Rehmannia is mainly produced in Wen County, Boai, Wuzhi, Shidou Meng County and other places in Henan Laoshen Province. So the answer is c.

Pharmacological effects] 1Hypoglycemia: The effective part of Huaiqing Rehmannia (R-BP-F) intraperitoneal injection has a hypoglycemic effect on the experimental diabetes mellitus in mice caused by alloxan 2

Hemostasis: raw land, cooked ground decoction, raw ground charcoal, cooked earth charcoal gavage, can shorten the blood clotting time for mice (capillary method) 3Anti-diffuse stool collapse closure intravascular coagulation:

Rehmannia 70 methanol extract inhibits ADP-induced platelet aggregation in rats, and has antithrombin effects, and has anti-endotoxin-induced diffuse intravascular coagulation in rats, in addition to anti-inflammatory, immune, anti-liver damage and other effects

The name of the drug: the base source of the herb, the taste, the efficacy.

The fresh tubers of the Rehmannia plant are sweet in taste; Bitter; Cold: clear heat and cool blood; The dried roots of the plant are sweet and sweet; Bitter; Slightly cold, nourishing yin and clearing heat; Cool blood and replenish blood, rehmannia The tuber roots of the plant are processed and steamed to make the flavor of jujube cracked sweet; Sexual warmth, blood nourishment and moisturizing; Essence filling.

Rehmannia is the name of traditional Chinese medicine. Rehmannia root, fresh or dried tuber of the plant of the Scrophularia family. Harvested in autumn, remove reeds, fibrous roots and sediment, and use fresh or processed for use.

It is divided into fresh rehmannia blind jujube, dried rehmannia and cooked rehmannia. It is mainly distributed in Hubei, Zhejiang, Taiwan, Sichuan, West and Shendanan and Guangxi provinces. It is cultivated all over China and abroad.

Rehmannia is the name of traditional Chinese medicine. Rehmannia root, fresh or dried tuber of the plant of the Scrophularia family. Harvested in autumn, remove reeds, fibrous roots and sediment, and use fresh or processed for use.

It is divided into fresh rehmannia, dried rehmannia and cooked rehmannia. It is mainly distributed in Hubei, Zhejiang, Taiwan, Sichuan, Southwest China and Guangxi provinces. There are unique wisdom cultivation throughout China and abroad.

Rehmannia is a traditional Chinese medicine that has the difference between cooked rehmannia and raw rehmannia rehmannia.

Rehmannia can reach a height of up to 30 cm, the rhizome is fleshy, yellow when fresh, and under cultivation conditions, the stem is purplish-red. Born on hillsides and roadside wastelands at an altitude of 50 1100 m. Because its underground roots are yellow-white, it is named Rehmannia and was first published in the "Shennong Materia Medica".

Cultivation conditions of Rehmannia rehmanniaRehmannia is generally best planted when the average daily temperature is 18 21. For example, Beijing in early and mid-April, Chongqing in late February to late March, Henan early spring rehmannia in early and mid-April; Evening rehmannia (or rehmannia stubble), from early May to early June. When planting, make a ditch on the ridge or furrow, the ditch spacing is 33cm, every 15 20cm, put a section of planting, cover the soil 3 4cm, and water after compacting the topsoil.