Characters and identification methods of habitat and mature land
The habitat is the Scrophulariaceae plant Rehmannia glutinosa (Gaerin) Libosch.
Huelchingensis (Chao et Schih) Hsiao)], used as a tuber.
Fresh Radix: Qingre, Shengjin, Liangxue; Rehmannia Root: Qingre, Shengjin, Runzao, Stomach, rupture, new birth, pain relief, menstruation, golden sore, cooling blood, stop bleeding; Rehmannia glutinosa: nourishing yin and tonifying kidney, regulating menstruation, bloodFalse headache, liver pain.
Originally produced in Wenxian County, Meng County, Wuling, Bo’ai, Fuyang and other counties in Henan Province, almost all provinces and autonomous regions in China are introduced and cultivated.
Plant characteristics Perennial herbaceous plants are 25-40 cm high. The whole plant is grayish white villous and glandular hairs. The roots and stems are thick and tender, and they are blocky, replacing or group hammer-shaped, with a diameter of 2.
5 cm, the surface is orange-yellow, with half-moon joints and bud marks. The stem leaves are clumpy or oblong, 3?
10 cm, width 1.
5?4 cm, apex short, a part gradually narrowed, under the petiole, the edge has irregular blunt teeth, the leaves are wrinkled, purple underneath.
In May, the flowers were taken out from the leaves, only a few of the sessile leaves, the sparse racemes at the top of the plug; the flowers and other species, 5 lobes; the corolla purple, often with yellow bands insidePurple stripes, about 4 cm long, the corolla tube is slightly curved, and the tip 5 is lobed, showing a two-lip shape.
Stamens 4, 2-strong, inserted at the base of the corolla tube, ovate upper, 2-loculed, singularly sessate, sessate, ovate or apically persistent.
Identify the cross section of this product: the number of cork cells.
Cortical parenchyma cells are loosely distributed; overlapping secretory cells contain orange oil droplets; occasionally stone cells.
The phloem is wider and the secretory cells increase.
The layer is formed into a loop.
The xylem is broad; the catheter is sparse and divided into radial.
Rehmannia root powder is dark brown.
The cork cells are light brown, and the cross-section attachments are neatly arranged.
The parenchyma cells are round and contain round nucleus.
The secretory cells are similar in shape to normal parenchyma cells and contain orange or orange-red oil droplets.
The edge of the pit and the mesh conduit are about 92 μm in diameter.
2 g of this product powder was taken, 20 ml of methanol was added, and the mixture was heated under reflux for 1 hour, allowed to cool, filtered, and the filtrate was recovered to 5 ml of methanol as a test solution.
Another sterol reference substance was added with methanol to make 0 per 1 ml.
A 5 mg solution was used as a reference solution.
According to the thin layer chromatography (Appendix VIB) test, 5 μl of each of the above two solutions was taken and spotted on the same silica gel G thin layer plate, and chloroform-methanol-water (14:6:1) was used as a developing solvent to be taken out.Dry, spray with anisaldehyde test solution, heat at 105 ° C until the spots are clear.
In the chromatogram of the test sample, spots of the same color are prominent at the position corresponding to the chromatogram of the reference substance.
Cooked land is known as hip flask flower, mountain smoke, mountain smoke, and mountain cabbage.
Root of the block.
Rehmannia glutinosa, widely cultivated as a traditional Chinese herbal medicine in the underground, is named after its underground roots are yellowish white.
It is native to Beijing, Tianjin, Henan, Hebei, Liaoning, Shandong, Zhejiang and other places.
Plant form perennial herb, the whole plant has white villous and glandular hairs.
Leaf-based plexus, obovate-lanceolate, base gradually narrowed into stalks, irregular blunt teeth on the edges, leaf surface shrunken, slightly purple underneath.
The stalks are extracted from the leaves, inflorescences in abundance; petals 5 lobed; corolla bell-shaped, slightly 2-lipate, purplish red, often with yellowish purple stripes on the inside.
Capsule globose or ovoid, with petals and style.
June, fruit 7?
Born on the hillside, Tian Hao, roadside.
Mainly produced in Henan, Liaoning, Hebei, Shandong, Zhejiang; more cultivation.
Harvesting in the autumn, remove the head, the roots, fresh ground; roots melted to 80% dry, and the inside becomes black, kneaded into a group, for the rehmannia; raw land plus yellow wine steamed to black, is rehmannia.
The traits are freshly yellow spindle-shaped or embedded in strips, often condensed into beads in the middle; the surface is light orange, wrinkled, lenticels and buds; fleshy, fragile, yellow-white in section, orange-red dots in the skin; slightly sweet,Slightly bitter.
Rehmannia glutinosa irregular irregular mass; surface gray-brown or brown-black, extremely shrinking; tough, cross-brown black, shiny, sticky; slightly sweet.
The chemical composition contains catalpol, various amino acids and sugars, mannitol, β-sitosterol and campesterol.
Sexual taste is fresh and cold, sweet and bitter.
Rehmannia glutinosa is cold and sweet.
Rehmannia glutinosa is cold and sweet.
Function Indications Fresh Radix Qingreshengjinjin, after cooling, stop bleeding; used for hot wind injury Yin, tongue cramps, hair spots and rash, vomiting blood, blood stasis, sore throat.
Rehmannia glutinosa, heat and cool blood, nourishing yin, Shengjin; used for fever, polydipsia, rash, yin deficiency, vomiting blood, blood stasis, diabetes, infectious hepatitis.
Morphological characteristics: Perennial erect herb.
The plant height is 10-30cm, and the whole is densely covered with white glandular hairs.
Also more basal, rosette-like, ovate to oblong, serrate.
Racemes terminal, calyx tuberculate, petal teeth 5, corolla purple, ca. 4 cm, 2 lip-shaped, lobes 5, two-sided coat, flowering 4–5 months.
Fruit ovate to long ovate, seed small.
Identification of Radix Rehmannia by medicinal materials: many irregular clusters are fast or oblong, the middle is inflated, the two sections are slightly thin, and the length is 6?
12cm, diameter 3?
6cm, some are thin, long strips, slightly flat and curved.
The surface is brownish or brownish-grey, extremely shrinking, with irregular cross-curved lines.
Weight, soft and tough, not easy to break, brown or black black, shiny, sticky.
The taste is slightly sweet.
Rehmannia rehmannia: irregular pieces, pieces, size, and thickness.
The surface is black, shiny and sticky.
It is soft and well-made, not easy to break, black and shiny at both ends, shiny and sweet.