Umbrella Polypore

Chuling (Polyporus umbellatus): What It Is, Benefits and Risks

Chuling, or Polyporus umbellatus, is a fascinating fungus with a long history in traditional Chinese medicine.

Chuling, also known as Polyporus umbellatus, is a fascinating fungus with a rich history in traditional Chinese medicine.

This versatile mushroom has been used for centuries to treat a variety of ailments, particularly those related to water retention and swelling.

In this comprehensive guide, we’ll explore what Chuling is, its potential health benefits, the science behind its effects, and important considerations for its use.

Chuling(Polyporus umbellatus)
image: Wikimedia Commons

What Is Chuling?

Chuling(chinese name:猪苓; Pinyin: Zhu Ling) is a type of fungus belonging to the Polyporaceae family1. It is scientifically known as Polyporus umbellatus (Pers) Fries and is commonly found growing on the decaying roots of trees such as birch, maple, and oak. The fungus is harvested for its sclerotium, a dense mass of mycelium that resembles a tuber. Chuling is primarily sourced from regions like Shaanxi, Hebei, and Yunnan in China, where it is collected in spring and autumn23.

In traditional Chinese medicine, Chuling is classified as a diuretic and de-swelling agent. It is believed to have a neutral nature and a sweet and bland taste, making it particularly effective for conditions involving water retention4.

Traditional Uses and Properties

Polyporus umbellatus has been valued in traditional Chinese medicine for its ability to promote water elimination and reduce swelling5. It is commonly used to treat conditions such as6:

  • Edema: Chuling is believed to help reduce swelling caused by fluid retention.
  • Urinary Disorders: It is used to treat conditions like urinary tract infections and kidney stones.
  • Diarrhea: Chuling is thought to help regulate bowel movements and reduce watery stools.
  • Leucorrhea: It is used to treat excessive vaginal discharge.

The fungus is often paired with other traditional herbs such as Poria (Fu Ling), Alisma (Ze Xie), and Atractylodes (Bai Zhu) to enhance its effects. For instance, in the herbal formula Si Ling San (Four-Ingredient Powder with Poria), Chuling is combined with these ingredients to address conditions like edema and urinary disorders7.

Summary: Polyporus umbellatus is valued in TCM for promoting water elimination. It treats edema, urinary disorders, diarrhea, leucorrhea, often paired with other herbs for better effects.

Polyporus umbellatus
Polyporus umbellatus. image: Wikimedia Commons

Modern Pharmacological Research

Recent studies have begun to uncover the scientific basis for Chuling’s traditional uses. Here are some of the key findings:

  1. Diuretic Effects:
  • Chuling has been shown to have significant diuretic properties. Studies have demonstrated that Chuling extracts can increase urine output in animals, suggesting a potential role in managing edema and water retention8.
  1. Immune System Enhancement:
  • Research indicates that Chuling polysaccharides can enhance the immune system. These polysaccharides have been found to stimulate T-cell and B-cell proliferation, improving the body’s ability to fight infections9.
  1. Anti-Tumor Properties:
  • Some studies suggest that Chuling may have anti-tumor effects. For instance, it has been shown to inhibit the growth of certain types of cancer cells, such as liver cancer (H22) and sarcoma (S-180), in animal models10.
  1. Liver Protection:
  • Chuling has been found to protect the liver against damage caused by toxins like carbon tetrachloride. It helps in restoring liver enzyme levels and improving liver function11.
  1. Radiation Protection:
  • Preliminary research suggests that Chuling polysaccharides may offer protection against radiation-induced damage, potentially by regulating the hypothalamic-pituitary-adrenal axis12.

Chuling shows promise in modern research. It acts as a diuretic, boosts immunity, fights tumors, protects the liver, and may shield against radiation damage. These findings support its traditional uses.

How to Use it

Chuling is typically used in the form of a decoction, where the dried sclerotium is boiled in water to create a tea. It can also be ground into a powder and encapsulated for easier consumption. The standard dosage is 5-10 grams per day, but this may vary depending on the individual and the condition being treated13.

It is important to consult with a healthcare provider before starting any new supplement, especially if you have underlying health conditions or are taking medications.

Umbrella Polypore
image: Katja Schulz on flickr

Potential Risks and Considerations

While Chuling is generally considered safe, there are some potential risks and considerations to keep in mind1415:

  • Allergic Reactions: Some individuals may be allergic to Chuling or other mushrooms. If you experience any allergic symptoms, discontinue use immediately.
  • Interactions with Medications: Chuling may interact with certain medications, particularly those that affect the immune system or blood pressure. Consult your healthcare provider before use.
  • Not Suitable for All: Chuling is not recommended for individuals without water retention or edema, as it may lead to excessive urination and dehydration.

Summary: Though Chuling is usually safe, be aware of potential risks. Allergic reactions may occur. It might interact with some meds. And it’s not for those without water retention as it may cause over – urination and dehydration.

Bottom line

Chuling, or Polyporus umbellatus, is a fascinating fungus with a long history in traditional Chinese medicine. Its diuretic properties, immune-boosting effects, and potential anti-tumor activities make it a valuable addition to natural health regimens.

However, as with any supplement, it is essential to use it responsibly and under the guidance of a healthcare professional.

If you’re considering incorporating Chuling into your health routine, ensure you understand its benefits, risks, and proper usage to maximize its potential benefits while minimizing any potential drawbacks.

Trusted source

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  4. https://yibian.hopto.org/db/?yno=238 ↩︎
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  6. https://m.baidu.com/bh/m/detail/sv_12537528373386184594()Zhou Xinyao, Deputy Chief Physician, Department of Immunology, Guang’anmen Hospital, Chinese Academy of Chinese Medical Sciences ↩︎
  7. https://ypk.39.net/c520674/yf/ ↩︎
  8. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9924782/ ↩︎
  9. https://pmc.ncbi.nlm.nih.gov/articles/PMC7781518/ ↩︎
  10. https://pmc.ncbi.nlm.nih.gov/articles/PMC9338659/ ↩︎
  11. 王天媛, 张飞飞, 任跃英, 等. 猪苓化学成分及药理作用研究进展[J]. 上海中医药杂志, 2017, 51(4): 109-112. https://shzyyzz.shzyyzz.com/rc-pub/front/front-article/download/29522855/lowqualitypdf/%E7%8C%AA%E8%8B%93%E5%8C%96%E5%AD%A6%E6%88%90%E5%88%86%E5%8F%8A%E8%8D%AF%E7%90%86%E4%BD%9C%E7%94%A8%E7%A0%94%E7%A9%B6%E8%BF%9B%E5%B1%95.pdf ↩︎
  12. 胡名柏, 杨国梁. 猪苓多糖对受辐射损伤的大白鼠造血功能及免疫功能的促进作用[J]. 湖北医科大学学报, 1996, 17(1): 29-31. ↩︎
  13. http://s.dayi.org.cn/mip/s/cmedical/1116326.html ↩︎
  14. https://m.baidu.com/bh/m/detail/ar_1492916807500757612(Chen Xiushan, Deputy Chief Physician, Department of Traditional Chinese Medicine, Qilu Hospital of Shandong University) ↩︎
  15. https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/polyporus-umbellatus ↩︎
Michael Zhang
Michael Zhang

Michael Zhang is a long-time health buff. He's committed to a lifestyle that's rooted in science. You can count on his articles to be accurate and reliable.

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