Gou Teng

Content
1. What is Gou Teng?
    1.1 Morphological characteristics of Gou Teng
2. Growth environment of Gou Teng
3. Medicinal properties of Gou Teng
4. Gou Teng benefits
5. Application of Gou Teng
    5.1 Tian Ma Gou Teng Yin
    5.2 Tian Ma Gou Teng Wan
    5.3 Tian Ma Gou Teng Tang
6. How to buy Gou Teng?

Gou Teng [Latin name: Uncaria rhynchophylla (Miq.) Miq. ex Havil.], alias Gou Ding, hanging vine, Ying Zhua Feng, Dao Gua Ci, etc.

Gouteng is an evergreen vine of the genus Gouteng in the Rubiaceae family, a climbing shrub with square-columnar slender hairless stem branches, papery oval leaves, and heads.

Gou Tang is used as a medicine for the stem and branches with hooks, it has the effect of clearing heat and calming the liver, calming the wind, and settling panic, modern pharmacological experiments have also proved that Gou Teng has a hypotensive effect, so it has high medicinal value.

Gou Teng vine; shoots slender, square, or slightly 4-angled, glabrous. Leaves papery, elliptic or elliptic-oblong, 5-12 cm long, 3-7 cm wide, glabrous on both surfaces, brown or reddish-brown when dry, sometimes whitish-powdered below, apical mucronate or cuspidate, base cuneate to truncate, sometimes slightly decurrent; lateral veins 4-8 pairs, vein axils sunken with mucilaginous hairs; petiole 5-15 mm long, glabrous; stipules narrowly triangular, deeply bifid to 2/3 of their full length, outside glabrous, inside glabrous or basally with mucilaginous hairs, lobes linear to triangular-lanceolate.

Heads not counting corolla 5-8 mm in diameter, solitary in leaf axils, involucral pedicel with a node, bracts minute, or arranged in a single cymose pattern, involucral pedicel axillary, 5 cm long; bracteoles linear or linear-spatulate; flowers subsessile; calyx tube sparsely hairy, calyx lobes subtriangular, 0.5 mm long, sparsely pubescent, apically acute; corolla tube glabrous outside, or with sparse hairs, corolla lobes ovoid, glabrous outside Corolla lobes ovoid, outside glabrous or slightly powdery pubescent, margin sometimes ciliate; style extending beyond corolla throat, stigma rod-shaped. Infructescence 10-12 mm in diameter; small capsule 5-6 mm long, pubescent, persistent calyx lobes subtriangular, 1 mm long, stellate radiating. Flowering and fruiting May-December.

Gou Teng is highly adaptable and does not have strict soil requirements. It grows normally in normal soil, likes warm, moist, and well-lit environments, and grows well on deep, fertile, loose, and well-drained soil. It often grows on slopes, valleys, streamsides, and hilly areas below 800 meters above sea level in sunny places between sparse mixed woods or at the edge of forests.

Gou Teng decoction 0.1g/kg administered intraperitoneally to mice can produce an obvious sedative effect, but no obvious hypnotic effect, the dose increased by 25 times does not strengthen the hypnotic and anesthetic effect of sodium pentobarbital, even if the dose is increased by 50-100 times cannot make the positive reflex disappear, and does not cause motor disorders, which seems to be different from the existing hypnotic and sedative drugs. The defensive motor conditioned reflex of rats also proved that the decoction of G. crocea 1g/kg injected intraperitoneally could reduce the excitability of the cerebral cortex, which showed that the positive conditioned reflex of some rats was destroyed and the conditioned reflex was prolonged, but there was no significant effect on differentiation inhibition and unconditioned reflex. The hind limb flexion reflex of Sokotoff's rabbits was also shown to decrease the excitability of the central nervous system and diminish its impulse summation capacity.

In the treatment of experimental epilepsy in guinea pigs, the ethanolic infusion of Sokotof's was able to stop the onset of seizure reactions after 3-8 days, and the pre-treatment state was restored 3 days after stopping the drug. The effect was slow, and the effective dose was close to the toxic dose so the animals were weaker and lost weight during the treatment period. It does have some inhibitory effect on the state of increased excitability of the central motor analyzer. Crotaline is an indole derivative, so it may have a specific effect on psychiatric aspects.

Gouteng decoction had hypotensive effects in anesthetized dogs (0.05 g/kg), free (2-3 g/kg), and experimental rats (5 g/kg/day, orally). In rabbits with reflex hypertension caused by excision of the second decompression nerve and sinus nerve in the neck, the hypotensive effect of hookah decoction was similar to that of rooibos whole base. Excessive or insufficient decoction time (preferably within 15 minutes) can affect the antihypertensive effect. Hooks and stem branches (i.e., single hooks, double hooks, and the thinner stem branches adjacent to them) have a better hypotensive effect; old branches (without hooks, 0.5-2 cm in diameter) have a very poor hypotensive effect. When analyzing the antihypertensive principle of hooked vine decoction, it was found that the antihypertensive effect was not affected by atropine, while the antihypertensive effect was significantly weakened after the removal of the cervical vagus nerve. There was no significant inhibition of the isolated toad heart. In the perfusion of isolated rabbit ears, there was no direct vasodilator effect, so it is believed that its hypotensive effect is caused by reflex inhibition of the vasomotor center (through vagal afferent fibers), and the latter is directly inhibited by high doses. Crotaline hydrochloride 20 mg/kg was administered intravenously to anesthetized cats, or 20-50 mg/kg was administered orally or intraperitoneally to rats with renal hypertension, and both had significant blood pressure lowering effects. Its action is similar to that of total bases or decoctions, and total bases of hookworm have a direct vasodilatory effect on isolated rabbit ear specimens. The hypotensive effect of gentianine on other animals was also observed, but the duration was short and far worse than that of lisinopril, which could be followed by a rise in blood pressure after hypotension. In addition, Uncaria rhynchophylla bases can inhibit the isolated intestinal tube and excite the isolated uterus of rats.

Gou Teng is sweet in taste, cold in nature, and enters the heart and liver of two meridians, the efficacy, and effects are as follows.

a. Gouteng has the function of calming the wind and settling fright and stopping convulsions.

b. Gou Teng has diarrhea of heat in the liver meridian, mostly used for dizziness, dizziness, head swelling, headache, and hypertension where there is heat in the liver meridian.

c. Gou Teng herb is light and thin, light can penetrate the hair, and cold can clear heat, so it has the function of penetrating the rash, for chicken pox, and rubella, the rash does not come out of the person or out of the poor disease have a very good effect.

d. Gou Tang has been found to have a heart rate regulating effect, so it can prevent and treat cardiac arrhythmias.

Tian Ma Gou Teng Yin is the name of a traditional Chinese medicine formula. It is a wind remedy, with the effects of calming the liver and quenching the wind, clearing heat and activating blood, and tonifying the liver and kidney. It is mainly used for treating hyperactivity of liver yang and upward disturbance of liver wind. Headache, dizziness, insomnia and dreaminess, bitter mouth and red face, red tongue with yellow fur and string or counted pulse. It is often used clinically for the treatment of hypertension, acute cerebrovascular disease, and inner ear vertigo belonging to hyperactivity of liver yang and upward disturbance of liver wind.

The effect and function of Tian Ma Gou Teng Wan are generally to nourish the liver and kidney and clear heat and blood, but also has the effect of dispelling wind and opening up the ligaments. Tianma Gouteng Wan is composed of many Chinese herbal ingredients, which contain Chinese herbal ingredients including Tianma, dog vine and gardenia, and so on. These Chinese herbal ingredients can reduce the side effects on the body, and at the same time for the body appears many adverse diseases have an auxiliary regulating effect.

Tian Ma Gou Teng Wan contains more ingredients, including stone cassia and cow knee, and also salt eucommia, these herbal ingredients can play a nourishing effect on the liver and kidney, for liver function decline and kidney deficiency caused by the bad disease can help to improve, such as patients in the life of the back and knee weakness and general weakness and other symptoms, you can listen to the doctor's guidance to take the drug treatment.

Tian Ma Gou Teng Wan contains the ingredients of Yi Mu Cao and Shou Wu-Tang, these two Chinese herbal ingredients can play the effect of clearing heat and invigorating blood, for the body heat is more vigorous or blood stasis symptoms can be improved, if women in the life of the menstruation cannot be smoothly discharged, can also take the appropriate amount of Tian Ma Gou Tang Wan.

Tian Ma Gou Teng Wan also contains ingredients such as mulberry and poria, which also have the effect of dispelling wind and promoting the circulation of the meridians, and can assist in the recovery of headaches caused by liver and wind disturbance, as well as help to improve the symptoms of meridian blockage.

The composition of Tian Ma Gou Teng Tang is generally hooked vine, asparagus, cicada molasses (remove the earth), antiphlogistic (remove the forked branch, cut), ginseng (remove the reed), ephedra (remove the root node), stiff silkworm (remove the silk mouth, fry yellow), scorpion tail (remove the poison, fry), licorice (sizzle), Chuanxiong, musk, the upper is finely powdered. However, it should be noted that the composition and dosage of this formula vary from person to person. It is necessary to add or subtract herbs to this formula or add or subtract the dosage of this component under the guidance of a doctor, depending on the individual's constitution.

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