Capillary Wormwood

Capillary Wormwood, botanically Artemisia capillaris, is a plant species originating from East Asia that belongs to the family of the daisy plants (Asteraceae). In Traditional Chinese Medicine (TCM), it is considered one of the most important herbs for liver and gallbladder regulation. Its fine, capillary-like leaves, which give the plant its name, are characteristic. For centuries, it has been used to treat internal heat, jaundice, and skin conditions.

Today, Capillary Wormwood is not only significant in TCM but is also the subject of scientific research in modern phytotherapy – particularly in connection with its potentially hepatoprotective, antioxidant and anti-inflammatory effects.

What health benefits does Capillary Wormwood offer?

Capillary Wormwood is traditionally used in a variety of scenarios. Increasingly, scientific studies are also linking the plant to a range of different potential health benefits. However, the results of these studies cannot readily be transferred, and it can generally be said that more research is necessary before conclusive statements can be made about the effects of Capillary Wormwood. Here is a selection of various study findings:

  • Liver health: Artemisia capillaris is frequently used to support liver function and detoxification. The plant can improve liver enzyme levels and reduce oxidative stress in hepatocytes. It also appears to possess antifibrotic potential (1,2,3,4).
  • Choleretic effect: It promotes bile secretion, which can be helpful for digestive complaints, bloating, or fat intolerance (1,5).
  • Anti-inflammatory: In studies, extracts had an inhibitory effect on inflammatory processes, particularly in liver inflammation and chronic inflammatory diseases (1,6,7).
  • Antioxidant: The flavonoids and phenolic acids it contains protect cells from free radicals and have an antioxidant effect (1).
  • Antimicrobial: Studies show antimicrobial activity against certain bacteria and viruses (1,8,9).

How does Capillary Wormwood work?

The effects of Capillary Wormwood are attributable to a variety of bioactive substances, including scoparone, chlorogenic acid, capillarisin, cirsimaritin and essential oils (1). Through the combination of these active compounds, a broad spectrum of activity could potentially emerge that could be used both preventively and therapeutically – especially for liver and gallbladder complaints, inflammatory skin conditions, and gastrointestinal disorders.

Side effects and risks

Capillary Wormwood is considered safe in moderate amounts (10). Nevertheless, a few points should be kept in mind:

  • Do not use during pregnancy and breastfeeding, as certain constituents could promote uterine contractions and the data on safety during pregnancy or breastfeeding is unclear.
  • Possible side effects: In rare cases, stomach irritation, nausea, or allergic reactions can occur.
  • Long-term use only after consulting a qualified professional, especially in cases of existing liver disease.

Conclusion

Capillary Wormwood is a traditional medicinal plant with modern relevance. Its potentially liver-protective, anti-inflammatory and digestion-supporting properties make it an interesting herbal agent, especially for complaints related to the liver, gallbladder, and metabolism. However, more research is needed before conclusive statements can be made.

Sources:

  1. Jang, E., Kim, B. J., Lee, K. T., Inn, K. S., & Lee, J. H. (2015). A Survey of Therapeutic Effects of Artemisia capillaris in Liver Diseases. Evidence-based complementary and alternative medicine : eCAM, 2015, 728137. https://doi.org/10.1155/2015/728137
  2. Sahoo H., Toppo F., Bhaiji A., Rath B., Sagar R. A comprehensive review on herbal drugs for hepatoprotection of 21 st Century. International Journal of Nutrition, Pharmacology, Neurological Diseases. 2014;4(4):p. 191. doi: 10.4103/2231-0738.139397.
  3. Lee H. S., Kim H. H., Ku S. K. Hepatoprotective effects of Artemisiae capillaris herba and picrorrhiza rhizoma combinations on carbon tetrachloride-induced subacute liver damage in rats. Nutrition Research. 2008;28(4):270–277. doi: 10.1016/j.nutres.2008.02.001.
  4. Kim K.-S., Yang H. J., Lee J.-Y., et al. Effects of β-sitosterol derived from Artemisia capillaris on the activated human hepatic stellate cells and dimethylnitrosamine-induced mouse liver fibrosis. BMC Complementary and Alternative Medicine. 2014;14(1, article 363) doi: 10.1186/1472-6882-14-363.
  5. Okuno I., Uchida K., Kadowaki M., Akahori A. Choleretic effect of Artemisia capillaris extract in rats. Japanese Journal of Pharmacology. 1981;31(5):835–838. doi: 10.1254/jjp.31.835.
  6. Kim E.-K., Kwon K.-B., Han M.-J., et al. Inhibitory effect of Artemisia capillaris extract on cytokine-induced nitric oxide formation and cytotoxicity of RINm5F cells. International Journal of Molecular Medicine. 2007;19(3):535–540.
  7. Lee H.-J., Zerin T., Song Y.-H., Lee B.-E., Song H.-Y. Immunomodulation potential of Artemisia capillaris extract in rat splenocytes. International Journal of Phytomedicine. 2013;5(3):356–361.
  8. Zhao Y., Geng C.-A., Sun C.-L., et al. Polyacetylenes and anti-hepatitis B virus active constituents from Artemisia capillaris . Fitoterapia. 2014;95:187–193. doi: 10.1016/j.fitote.2014.03.017.
  9. Yang C, Hu DH, Feng Y. Antibacterial activity and mode of action of the Artemisia capillaris essential oil and its constituents against respiratory tract infection-causing pathogens. Mol Med Rep. 2015 Apr;11(4):2852-60. doi: 10.3892/mmr.2014.3103. Epub 2014 Dec 17. PMID: 25522803.
  10. Yun JW, Kim SH, Kim YS, You JR, Cho EY, Yoon JH, Kwon E, Ahn JH, Jang JJ, Che JH, Kang BC. A comprehensive study on in vitro and in vivo toxicological evaluation of Artemisia capillaris. Regul Toxicol Pharmacol. 2017 Aug;88:87-95. doi: 10.1016/j.yrtph.2017.05.010. Epub 2017 May 6. PMID: 28487065.