What are the effects and actions of Star Jasmine stem?
Star Jasmine stem, also known by other names such as Shiling, Mingshi, Xuanshi, Yunzhu, Yundan and so on, is the leafy vine stem of the plant Star Jasmine (Trachelospermum jasminoides), a member of the dogbane family (Apocynaceae), genus Trachelospermum. Used as medicine, it has the effects of dispelling wind and unblocking collaterals, cooling the blood and reducing swelling, and has a therapeutic effect on conditions such as wind-damp-heat arthralgia, contracture of tendons and vessels, soreness and pain of the lower back and knees, throat obstruction, carbuncles and swellings, and traumatic injuries. Now let us take a look together at the effects and actions of Star Jasmine stem!
The medicinal effects of Star Jasmine stem
[Nature and flavor]Bitter and pungent in flavor, slightly cold in nature.
[Meridian entry]Enters the heart, liver and kidney meridians.
[Effects]Unblocks collaterals and relieves pain, cools the blood and clears heat, resolves toxins and reduces swelling. It mainly treats wind-damp arthralgia, soreness and pain of the lower back and knees, contracture of tendons and vessels, swelling and pain of the throat, furuncles and toxic swellings, traumatic injuries, and external bleeding.
The pharmacological actions of Star Jasmine stem
1. Antibacterial action: A 50% decoction of Star Jasmine stem, using the plate trench method, has an inhibitory effect on Staphylococcus aureus, Flexner's dysentery bacillus and typhoid bacillus.
2. Effects on blood vessels and the central nervous system: Arctiin can stimulate the central nervous system of cold-blooded and warm-blooded animals, speeding up respiration; a large dose causes respiratory failure. Its effect on the heart is relatively weak. It can cause vasodilation and a drop in blood pressure, and can cause reddening of the skin and diarrhea in mice.
3. Other effects: Star Jasmine stem has an inhibitory effect on isolated rabbit intestine and uterus. When a methanol extract is injected intraperitoneally into rats at 250 mg/kg, it has an inhibition rate of more than 60% on foot edema. When injected subcutaneously into mice at l00 mg/kg, it has an inhibition rate of more than 30% on the acetic acid writhing response.
Medication contraindications for Star Jasmine stem
1. "Variorum of the Classic of Materia Medica": Eucommia bark and tree peony serve as its guiding agents. It is antagonistic to iron filings and incompatible with sweet flag and fritillary.
2. "Discourse on the Properties of Drugs": It is antagonistic to iron essence. It kills the toxicity of Yinnie.
3. "Commentary on the Classic of Materia Medica": People with a yin constitution who fear cold and are prone to diarrhea should not take it.
Selected medicinal formulas for Star Jasmine stem
1. To treat pain of the tendons and bones: Star Jasmine stem one to two liang. Soak in wine and take.
2. To treat arthritis: Star Jasmine stem and the root bark of slender acanthopanax one liang each, and achyranthes root five qian. Decoct in water and take, with white liquor as a guiding agent.
3. To treat pulmonary tuberculosis: Star Jasmine stem one liang, Melastoma dodecandrum one liang, pig lung four liang. Stew together, take the soup and eat the lung, one dose per day.
4. To treat hematemesis: Star Jasmine stem leaves one liang, Salvia plebeia and Japanese claw fern five qian each. Decoct in water and take.
5. To treat throat obstruction with blocked throat, panting and unable to breathe, on the verge of death in an instant: Star Jasmine herb two liang. Cut it, add one large sheng and a half of water, boil down to one large cup, remove the dregs, and drink it little by little.
6. To treat external bleeding: An appropriate amount of Star Jasmine stem, sun-dried and ground into powder, sprinkled on and applied, then bandaged on the outside.