It is the resin of Liquidambar formosana Hance (Liquidambar formosana Hance). Choose a thick tree that has been growing for more than 20 years, cut out the bark between July and August, and dig holes every 15 to 20 centimeters from the root of the tree. The resin flowing out is harvested between November and March of the following year. Sun dry or naturally dry. Prevent mud and sand from being mixed in. Dry resin is in the form of oval or spherical particles of different sizes, and some are in the form of blocks or thick sheets. The surface is light yellow and translucent. The texture is crispy and brittle. The cross section has a glass luster. The smell is fragrant and becomes more intense when burned. The ones that are crisp, free of impurities and have a strong aroma when burned are better. Produced in Zhejiang, Jiangxi, Fujian, Yunnan and other places.

The roots (ligamentum tree roots), bark (ligamentum bark), resin (beautiful steetgum resin), leaves (ligamentum leaves), etc. of this plant are also used for medicinal purposes.

bubble_chart Morphological Characteristics

Liquidambar (Bencao Jing Jizhu), also known as: Nie Nie ("Er Ya"), maple ("Shuowen"), maple ("Er Ya" Guo Yu's note), fragrant maple , Fengchen (Gangmu), maple tree ("Famous Plants"), triangle maple, triangle tip ("Lingnan Medicine Collection"), chicken maple, chicken claw maple, big leaf maple, Betel tree, betel smell. Deciduous tree, 20 to 40 meters high; bark gray and smooth when young. Brown and rough when old. The leaves are alternate; the petiole is 3 to 7 cm long; the stipules are linear and fall early; the leaves are heart-shaped and often have 3 lobes. When young and on germination branches, the leaves are mostly palmate with 5 lobes, 6 to 12 cm long and 8 to 15 cm wide. cm, the lobes are ovate-triangular or ovate-shaped, with long acuminate apex, heart-shaped or truncate base, and finely serrated edges. Flowers are unisexual, monoecious, without perianth; male flowers are light yellow-green, in racemes, with rust-colored slender hairs, many stamens, densely spherical; female flowers are in spherical flower heads, covered with hairs, with a few Staminodes, ovary semi-inferior, mostly healed; surrounded by many diamond-shaped bracts, 2-chambered, style 2, stigma curved. The compound fruit is spherical, pendulous, 2.5-3 cm in diameter, with thorns on the surface, and numerous capsules, densely packed inside the compound fruit, oblong in shape, with the top hole cracking when mature. The seeds are numerous, small, flat, sometimes slightly winged on the edges. The flowering period is from March to April. The fruiting period is from September to October. Grows in moist and fertile soil.

• Tang Bencao: "acrid and bitter, neutral, nontoxic."
• Yilin Zuanyao Tanyuan: "bitter, salty and acrid, neutral."
• Leigong Paozhi Yaoxing Jie: "Act on spleen and liver meridians."
• Depei Bencao: "act on spleen and lung meridians."

bubble_chart Efficacy

Promotes blood circulation, cools blood, removes toxin and relieves pain.

bubble_chart Indications

Treat Yongju, scabies, urticaria, scrofula, incised wound, toothache, hematemesis, epistaxis.

bubble_chart Documentation

1. Tang Bencao: "Cure urticaria wind-heat sore (pityriasis rosea) edema, toothache."
2. Gangmu: "Cure everythingYongju It can treat scabies, incised wounds, vomiting, epistaxis, hemoptysis, promote blood circulation, promote muscle growth, relieve pain, remove toxin, clean teeth after burns, and has no tooth disease."
3. Bencao Qiuyuan : "Treatment of apoplexy, lumpago, migratory impediment, flaccidity and athlete's foot."

bubble_chart Usage and Dosage

External use: Grind into powder and sprinkle, mix and apply, or make a paste and apply it. Oral administration: Take into pills or powder, 1 to 2 qian.

bubble_chart Cautions and Contraindications

Depei Bencao: "It is not suitable to take too much internally."

bubble_chart Processing and Storage

Gangmu: "For beautiful steetgum resin, boil it with boiling water for 20 minutes, put it into cold water, rub it for dozens of times, and dry it in the sun."

Put it in a cool, dry place and keep it airtight. save.

bubble_chart Modern Pharmacology

Among the volatile oil components of the resin, cassia bark acids account for about 6.4%, terpenes account for about 84.4%, and other components are 9.2%.

bubble_chart Selected Prescriptions

• Inappropriate treatment for various sores: beautiful steetgum resin, calomel, two qian each, lard and smear. ( Renzhai Zhizhi Fang )
• To treat scrofula and all malignant sores, soft furuncle: one or two pieces of beautiful steetgum resin, dissolve it in the porcelain, remove the water, then after it is dissolved, use sixty-four steetgum seeds Make mud into the glue and stir evenly. Add half a spoonful of oil to the water. Test the hardness and softness of the glue and add or subtract the glue. If you find it, measure the size of the sore and apply plaster to it. One plaster can cure it. Three and five boils. (Rumen Shiqin Jade Pancake)
• Cure chancre; use transparent beautiful steetgum resin as powder, add a little calomel and musk, and apply with oil. ( Xiuzhen Fang )
• To treat chronic shank ulcer: take the powder of beautiful steetgum resin and stick it inside with Ruo leaves. ( Xiuzhen Fang )
• Treatment of ringworm and miscellaneous sores in children: beautiful steetgum resin, Phelloendron Bark, calomel. The upper part is fine powder, and the sheep bone marrow is mixed and applied on the ringworm. ( Rumen Shiqin )
• Treatment of incised wounds and broken tendons: apply liquidambar powder. (Shiyi Dexiao Fang)
• Treat fracture: divide frankincense, beautiful steetgum resin, and asphalt into equal parts (grind). Use sesame oil and flour agent, boil it in heavy soup to make a paste. Do not touch copper or iron. Use a stick to pick up the silk to make a paste. (Jifeng Puji Fang beautiful steetgum resin paste)
• Treatment for a long time toothache: beautiful sweetgum resin in powder, wipe every time. ( Shiyi Dexiao Fang )
• To treat hematemesis, it is more than just: beautiful steetgum resin, no matter how much, grind it carefully into powder, take two qian each time, mix it with fresh water. ("Jie Jie Zhong Fang")
• To treat epistaxis: Clam Shell Powder and beautiful steetgum resin are divided into equal parts. Mix it with good pine smoke ink. ( Bai Yi Xuanfang )
• Treat stomachache: two to three dollars of liquidambar resin. Grind into powder and take infused with warm water. ("Jiangxi Herbal Medicine")
• To treat pain in the waist and knees like tiger bites: Kusnezoff Monkshood Root, Trogopterus Dung, one kilogram each, cochinchina momordica seed, four taels, beautiful steetgum resin, half a kilogram, Earthworm, four taels (remove soil, stir-fry), One tael of fine ink, one tael of frankincense, two taels of Chinese Angelica (baked), two taels of myrrh, one tael of musk. The upper part is powder, and then grind it a thousand times, and the sticky rice batter and balls are as big as tung seeds. Take one to two pills each time with warm wine. After taking the medicine, there will be slight sweating all over the body. (Xuanming Lunfang One Golden Pill)
• To treat fish bone choking: beautiful steetgum resin, swallow it carefully. ( Shenghui Fang )
• To treat constipation for ten days: two pieces of rat excrement, beautiful steetgum resin half the size of a date. The upper part is the end, the water pill is as big as a jujube stone, and the oil is spread into the valley, and it will pass after a long time. ( Puji Fang )