What Is Hong Teng (Da Xue Teng or Sargentodoxa Cuneata)

Hong Teng is also known as Da Xue Teng or Sargentodoxa Cuneata, which is a deciduous woody liana belonging to the family Lardizabalaceae. It first appeared in <Ben Cao Tu Jing> (Illustrated Canon of Herbology) in the 11th century.

This plant often grows in forests or bushes at an altitude of 700-1600 meters. It can be found in China and the northern part of the Indochina Peninsula. Its roots can be used as dyes. Its bark contains fibers that can be made into ropes.

The Hong Teng referred to herein is the caulis of Sargentodoxa Cuneata.

In autumn and winter of each year, people gather caulis of Sargentodoxa Cuneata, remove their lateral branches and leaves, cut them into thick pieces, dry them in the sun, and make them into Chinese herbs.

Hong Teng contains emodin, physcion, β-sitosterol, daucosterol, stearic acid, salidroside, syringaresinol bisglucoside, dihydroguaiaretic acid, chrysophanol, vanillic acid, sargentgloryvine stem polysaccharide, tannin.

According to <Ben Cao Tu Jing>, the medicinal property of Hong Teng is relatively mild, with a bitter taste. It has a certain therapeutic effect on the pathological changes of the large intestine and liver meridians.

In Chinese medicine, Hong Teng is often used to clear heat and detoxify, dissipate blood stasis and relieve pain, and treat acute appendicitis, chronic appendicitis, mastitis, rheumatoid arthritis, and urinary infections.

Health benefits of Hong Teng

  • Increasing plasma cAMP levels and tolerance to hypoxia.
  • Dilating the coronary artery and narrowing the scope of myocardial infarction.
  • Inhibiting platelet aggregation, increasing coronary flow, and preventing thrombosis.
  • Relieving swelling and pain, treating traumatic injury and swelling and pain caused by congestion.
  • Clearing heat and detoxifying, treating sores and ulcers caused by heat toxins.
  • Promoting blood circulation and dissipating blood stasis, relieving amenorrhea and dysmenorrhea caused by blood stasis.
  • Alleviating rheumatic arthralgia and joint soreness caused by weather changes.
  • Treating tubal inflammatory obstructive infertility, ovarian cysts, chronic suppurative osteomyelitis, biliary ascariasis.
  • Treating appendiceal abscess, acute appendicitis, chronic appendicitis, early suppurative appendicitis, adhesive intestinal obstruction.
  • Inhibiting Staphylococcus aureus, Streptococcus beta, Escherichia coli, Staphylococcus albicans, catarrhalis, Streptococcus a, Pseudomonas aeruginosa.

Hong Teng is used with other Chinese herbs

  • It with Dang Gui (Radix Angelicae Sinensis), Xiang Fu (Rhizoma Cyperi), and Yi Mu Cao (Leonurus) to treat amenorrhea and dysmenorrhea.
  • It with Zhi Shi (Fructus Aurantii Immaturus), Da Huang (Rhubarb Root), and Shan Zha (Hawthorn Fruit) to treat acute pancreatitis.
  • It with Du Huo (Radix Angelicae Pubescentis), Niu Xi (Radix Achyranthis Bidentatae), and Fang Feng (Radix Saposhnikoviae) to relieve rheumatic pain, sore waist and legs, and stiff joints.
  • It with Bai Jiang Cao (Patrinia) and Zi Cao (Radix Lithospermi) to treat endometriosis, eliminate dysmenorrhea, and reduce the lump in adnexa uteri.
  • It with Lian Qiao (Fructus Forsythiae), Jin Yin Hua (Honeysuckle Flower), and Chuan Bei Mu (Fritillaria cirrhosa) can treat sores and ulcers caused by heat toxins.

Side effects of Hong Teng

Hong Teng has been used clinically for many years, with almost no side effects. Long-term overdose of it may cause abdominal pain or bleeding.

Precautions of Hong Teng

  • The dosage of Hong Teng should be controlled at 9-15g.
  • It can be made into decoction or ground for external use.
  • Pregnant women and children should not take it.
  • People with coagulopathy should not take it.
  • People with an accumulation of damp-heat should not take it.