1. Alias
Chushu, Gu Sang, Chutao, Jiao Shu Zi, Wild Yang Mei Zi, Gou Pao.
2. Plant morphology
Deciduous tree with gray, smooth bark. Stems and leaves contain milk; The tender branches are covered in soft fur. Leaves alternate, petioles densely hairy; Ptolemy membrane, early fall. Leaves broadly ovate, apex gradually pointed, base rounded or heart-shaped, sometimes asymmetrical; The edges have coarse teeth, and when young, the palm has 3 or 5 fissures, with varying depths of division or some without. The upper part is dark green with rough undercoat, and the lower part is gray green with dense soft fur. The flowers are unisexual and dioecious, with male flowers forming soft inflorescences that are axillary and drooping; There are 4 flower petals, 4 stamens, and an undeveloped pistil in the center. The female inflorescence forms a spherical head shaped inflorescence, consisting of densely stacked bracts and flower covers. The bracts are rod-shaped, hairy, with a conical tip, and the flower cover is tubular with 3-4 teeth. The ovary is surrounded by a stalk within the flower cover tube, and the style is lateral and slender. The flesh of the fruit is fleshy, spherical, orange yellow or red in color. The small stone contains one seed. Orange red in color, with flesh extending deep into the petiole when mature. The flowering period is in May, and the fruiting period is from August to October.
3. Origin distribution
Born in mountainous or plain areas. Distributed in Hebei, Henan, Shandong and other places.
4. Harvesting and processing
Harvest fruits in autumn when they are ripe, wash them, dry them in the sun, and remove grayish white membranous calyx and impurities.
5. Characteristics of medicinal herbs
Spherical or ovoid, slightly flattened, with a diameter of about 1.5 millimeters, a brownish red surface, with reticular wrinkles or granular protrusions, concave grooves on one side, edges on the other side, and some with fruit stalks. Hard and brittle in texture, easily crushed. The endosperm is white in color and rich in oil. Odorless and mild in taste.
6. Sexual Taste Returning to the Classics
Cold in nature, sweet in taste. Return to the liver meridian and kidney meridian.
7. Effect and Function
Tonifying the kidney, clearing the liver, improving vision, and promoting diuresis. It belongs to the subcategory of Qi tonifying drugs under the category of deficiency tonifying drugs.
8. Clinical application
Take 6-12 grams and decoct in water. Used to treat soreness and weakness in the waist and knees, fatigue and bone steaming, dizziness and blurred vision, eye opacities, swelling and fullness.
9. Pharmacological research
The red pigment and extract of Eucommia ulmoides have varying degrees of antioxidant effects. Eucommia ulmoides oil has a lipid-lowering effect, and the total alkaloids of Eucommia ulmoides have a growth inhibitory effect on five types of tumor cells.
10. Chemical composition
Containing saponins, vitamin B, and fats. Seeds contain oil, which contains non saponification substances, saturated fatty acids, oleic acid, linoleic acid, etc. This product contains components such as gooseberry alkaloids, light Sichuan peppercorns alkaloids, alpha bergamot oleagine, beta myrrh, coumarine, linaloone, methyl linoleate, oleic acid, etc.
11. Usage taboos
People with spleen and stomach deficiency and cold, and loose stools should take it with caution.
12. Compatibility prescription
① Treating blurred vision: Divide the seeds of Chinese chestnut, the ears of Chinese wolfberry, and the bark of Chinese wolfberry into equal parts. The top is the fine powder, the honey is the pill, and the wutong is big. Take twenty pills each time, under rice soup. (Confucian Family Affairs)
② To treat stone gangrene, it looks like a scab with thick skin, and also to treat golden sores: apply it with dried fruit. (From "Qian Jin Yao Fang")
③ Treatment of edema: Take 6g of dried fruit and 9g of big belly skin, decoct in water and take orally. (Qingdao Herbal Medicine Handbook)
④ To treat throat obstruction and wind: Take one of the dried willow seeds (Yin Gan) as powder, take Jinghua water, and in severe cases, take two. (A Brief Introduction to Lake Collection)
⑤ Treatment of bone marrow: 30g of dried fruit and 90g of dried plum flesh. The upper part is a pill, the marble is large, and it is held and swallowed: ("Dantai Jade Case" - Bone Turning Divine Pill)
⊙ The content of the article is for clinical reference only. Non TCM professionals are not allowed to test drugs.