The efficacy and function of Uncaria rhynchophylla[picture]

Chinese medicinal materials are very common, and there are many types of them. There are also some differences in their efficacy. Therefore, you need to have a good understanding before choosing. Do you know the medicinal material Uncaria rhynchophylla [picture]?

【English name】 RAMULUS UNCARIAE CUM UNCIS

[Other names] Double hook vine, eagle claw wind, hanging wind root, golden hook grass, hanging thorn

[Source] This product is the dried hooked stems and branches of Uncaria rhynch0phylla (Miq.) Jacks., Uncaria macrophylla Wall ., Uncaria hirsuta Havil., Uncaria sinensis (Oliv.) Havil. or Uncaria sessilifructus Roxb . of the Rubiaceae family. Harvest in autumn and winter, remove leaves, cut into sections and dry in the sun.

[Properties] The stems and branches of this product are cylindrical or square-cylindrical, 2 to 3 cm long and 0.2 to 0.5 cm in diameter. The surface is reddish brown to purple-red with fine longitudinal lines, smooth and hairless, while the surface is yellowish green to gray-brown with white dot-like lenticels sometimes visible and covered with yellowish brown soft hairs. Most branches have two downward-curved hooks (sterile peduncles) on opposite sides, or only one side has a hook and the other side is a raised scar; the hooks are slightly flat or slightly round, with a pointed tip and a wider base; on the branches at the base of the hooks, there are dimple-like marks and ring-shaped stipule marks after the petiole falls off. The texture is tough, the cross section is yellow-brown, the cortex is fibrous, and the pith is yellow-white or hollow. Odorless, light taste.

[Identification] Take 1g of the powder of this product, add concentrated ammonia test solution to moisten it, add 30ml of chloroform, shake and extract for 30 minutes, filter, evaporate the filtrate, add 5ml of hydrochloric acid solution (1→100) to the residue to dissolve it, filter, and divide the filtrate into three test tubes. Add 1-2 drops of potassium bismuth iodide test solution to one tube, and a yellow precipitate will occur; add 1-2 drops of potassium mercuric iodide test solution to one tube, and a white precipitate will occur; add 1-2 drops of silicotungstic acid test solution to another tube, and a white precipitate will occur.

【Nature and flavor】 Sweet, cool.

[return through] return the liver and pericardium meridians.

【Function and indication】 Clears away heat and soothes the liver, calms the wind and calms the nerves. Used for headache and dizziness, cold and shock, epilepsy and convulsions, eclampsia during pregnancy and hypertension.

[Usage and Dosage] 3-12g, preferably added last to the decoction.

【Storage】 Store in a dry place.

【Excerpt】 Chinese Pharmacopoeia

【Source】《Compendium of Materia Medica》

Through the above introduction, everyone has a good understanding of the traditional Chinese medicine Uncaria rhynchophylla [picture]. It has a very good effect in treating diseases. However, it should be noted that when using Uncaria rhynchophylla [picture], some methods and techniques should be mastered to consume it in a healthy and scientific manner.