Sphagneticola calendulacea explained

Sphagneticola calendulacea is a perennial herb in the genus Sphagneticola. It is found in China, India, Indonesia, Japan, Myanmar, Philippines, Sri Lanka, Thailand, Taiwan and Vietnam.^{[1] [2]} Tolerant to drought, humidity and barren environment, S. calendulacea is a common herbaceous plant in China and Taiwan.^{[3] [4]} S. calendulacea produces wedelolactone and demethylwedelolactone.^[5] In Vietnam, the leaves of the plant is sometimes used to treat infant eczema although scientific evidence is not clear.

In China and Taiwan, S. calendulacea is an ingredient in 青草茶/百草茶(a kind of herbal tea). 青草茶 is a natural drink that has been around for a long time.^[6] In traditional Chinese medicine, S. calendulacea is classified as "清熱藥/Heat-clearing herbs". It has the effect of relieve fever and detoxification, cooling blood and dissipating blood stasis.^[7] According to modern scientific research, polyphenols such as Wedelolactone, Apigenin and Luteolin contained in S. calendulacea can inhibit the growth of prostate cancer, breast cancer and nasopharyngeal carcinoma.^{[8] [9]} A paper from India states that the essential oil of S. calendulacea can prevent the development of lung cancer.(2012)^[10]

Notes and References

1. Web site: Sphagneticola calendulacea (Linnaeus) Pruski, Novon. 6: 411. 1996.. www.efloras.org. en. 2022-12-17.
2. Web site: Wedelia chinensis 蟛蜞菊 Wedelia chinensis (Osbeck) Merr.. 國立台灣大學生態學與演化生物學研究所. en. 2022-12-17.
3. Web site: 黃花蜜菜. 行政院農業委員會 Council of Agriculture, Executive Yuan. zh. 2022-12-17.
4. Web site: Sphagneticola calendulacea (Linnaeus) Pruski, Novon. 6: 411. 1996.. www.efloras.org. en. 2022-12-17.
5. http://www.accessmylibrary.com/article-1G1-190254082/neuropharmacological-studies-wedelia-calendulacea.html Neuropharmacological studies on Wedelia calendulacea Less stem extract. Prakash T., Rao N.Rama and Swamy A.H.M. Viswanatha, Phytomedicine: International Journal of Phytotherapy & Phytopharmacology, November 01, 2008
6. Web site: 青草茶. zh. 2022-12-17.
7. Web site: 蟛蜞菊 Chinese Wedelia Herb Peng Qi Ju. @HKBU Library. zh. 2022-12-17.
8. Web site: Study of anti-tumor and antioxidant potential and components of Wedelia chinensis. 王紹銘. National Digital Library of Theses and Dissertations in Taiwan. en. 2022-12-17.
9. Book: 最新科學抗癌藥用植物圖鑑 Current Scientific Anticancer Medicinal Plants. 978-986443169-4. 劉景仁, 張建國、劉大智. 2016. 晨星. Taichung, Taiwan. 509 (page 472).
10. Book: 最新科學抗癌藥用植物圖鑑 Current Scientific Anticancer Medicinal Plants. 978-986443169-4. 劉景仁, 張建國、劉大智. 2016. 晨星. Taichung, Taiwan. 509 (page 472).