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European hare – a natural diuretic

Polyporus umbellatus – Grifola umbellata – Zhu Ling – Chorei Maitakeorus umbellatus

Polyporus umbellatus – Grifola umbellata – Zhu Ling – Chorei Maitakeorus umbellatus

Bioactive ingredients

Ergon – The Tumor and Kidney Specialist

  • Antitumor – Antitumor Effects of Sclerotium Extracts
  • Diuretic – Urine-producing properties
  • Electrolyte regulation – balancing sodium (Na) and potassium (K) levels
  • Nephroprotective – Kidney-protecting effect

D-Mannitol – The Diuretic

  • Diuretic – Urine-producing effect
  • Antibacterial – Antibacterial effect against chlamydia

Polyporusterone A and B – The Skin and Bone Specialists

  • Strengthening – Strengthens bones and fingernails

Polyporusterones A–G – The Antioxidants

  • Antioxidant – Antioxidant properties
  • Antitumor – Antitumor properties

Acetosyringone – The Hair and Water Regulator

  • Diuretic – Urine-producing effect
  • Hair Growth – Hair Growth-Promoting Effect

Ideal K/Na ratio (5:1) – The electrolyte balancer

  • Sodium-Potassium Balance – Supports sodium-potassium balance despite its diuretic effect

Polysaccharides – The Immunomodulators

  • β-1,3/1,6-glucans from the sclerotium
  • Antioxidant – Strong antioxidant effect
  • Antitumor – Tumor-inhibiting properties
  • Immunostimulant – Boosts the immune system
  • Antiviral – Effective against hepatitis B

Biotin (Vitamin B7) – The Hair and Nail Vitamin

  • Higher content – Higher content than other medicinal mushrooms

Triterpenes – The Free Radical Scavengers

  • Antioxidant – Neutralizes free radicals
  • Immune-boosting – Boost the immune system
  • Diuretic – Urine-producing effect

Ergosterol – The Mineralizer

  • Diuretic – Urine-producing effect
  • Mineralization – Promoting hair and bone mineralization

Aquaporin Regulation – The Water Channel Controller

  • Aquaporin Expression – Regulates the expression of aquaporins (AQP1, AQP2, AQP3) in the renal medullary cortex
  • Diuretic effect – helps eliminate excess water and sodium

Nutritional Profile – The Essential Nutrients Package

Macronutrients:

  • Dietary fiber: 47%
  • Crude protein: 8–16.8%
  • Ash: 4–7%
  • Carbohydrates: 0.5%

Main chemical components:

  • Polysaccharides: 78.2%
  • Steroids: 16%

Therapeutic Applications

Diuretic effect – The kidney cleanser

Strong diuretic effect – Several clinical studies and animal experiments report a strong diuretic effect without side effects

Kidney diseases:

  • Pyelonephritis
  • Glomerulonephritis

Prevention and Treatment of Kidney Stones:

  • Acid reduction – Reduces the acidity of urine
  • Elevated citrate levels – Increases the concentration of citrate in the urine
  • Crystallization inhibition – Inhibits the crystallization of calcium salts and thus prevents the formation of kidney stones

Edema and lymphatic flow disorders:

  • Venous insufficiency
  • Circulatory and lymphatic congestion
  • Worsening due to prolonged standing or sitting

Renal fibrosis:

  • Damage Prevention – Prevention of Kidney Damage in Animal Studies
  • Fibrosis Relief – Relieved subsequent renal fibrosis
  • Improved kidney function

High blood pressure:

  • Blood pressure reduction – Clinical and preclinical studies have demonstrated a blood pressure-lowering effect
  • Hypertensive kidney disease – Particularly effective for hypertensive kidney disease with edema

Liver Diseases – The Liver Protector

Hepatitis B:

  • Boosting the immune system – PUPS strengthens the immune system by inhibiting the replication of the hepatitis B virus
  • Phagocytosis activation – Increases the phagocytic activity of macrophages
  • Immune Cell Activation – Activates immune cells

Clinical success in hepatitis B:

  • Monotherapy – PUPS monotherapy reduced HBV DNA and inhibited viral replication
  • Combination therapy with vaccine – showed a negative conversion rate for HBsAg, HBeAg, and HBV DNA
  • Combination therapy with interferon-α – Significantly improved treatment efficacy
  • TCM Combination – Demonstrated superior efficacy compared to the control group

Hepatitis C:

  • Treatment support – PUPS injections and tablets are commonly used in China to treat hepatitis C in combination with antiviral medications

Cirrhosis of the liver:

  • Treatment of Ascites – Effective for Liver Cirrhosis with Ascites

Hair Growth Promotion – The Hair Activator

Alopecia areata:

  • Promoting hair growth – Particularly effective for alopecia areata
  • Hair Strengthening – In-vivo studies report effective strengthening of brittle hair
  • Nail Strengthening – Strengthening Weak Nails
  • Improvements in Osteoporosis – Progress in the Treatment of Osteoporosis

Complementary Cancer Treatment – The Cancer Fighter

Bladder cancer:

Recurrence prevention:

  • Reduction in recurrence rates – Human studies report reduced recurrence rates
  • Protection against carcinogens – Protection against carcinogen-induced bladder cancer in animal studies

Improvements in BCG therapy:

  • Increased Efficacy – Enhanced Efficacy of the BCG Vaccine for the Treatment of Bladder Cancer
  • Reduction of Side Effects – Reduced Side Effects in Vivo

Inhibition of cell growth:

  • HPP Effect – Inhibition of the Growth and Progression of Bladder Cancer Cells In Vitro by Homogeneous Polyporus Polysaccharide (HPP)

In vitro cytotoxicity:

  • Methanol extract – Cytotoxic against human gastric carcinoma cells
  • Ergon Effect – Effective against colon, cervical, liver, and stomach cancer cells

Improvement in treatment outcomes:

  • Response rates – Improved treatment outcomes and response rates
  • Survival rates – Increased survival rates
  • Quality of Life – Improved quality of life for patients with leukemia, lung cancer, and liver cancer

Reduction in mortality:

  • Lung cancer – 80–90% reduction in the risk of mortality and the hazard ratio for lung cancer (unpublished retrospective cohort study)

Side effects of chemotherapy:

  • Hair Loss – Reduces chemotherapy-induced hair loss
  • Appetite – Improves appetite
  • Weight gain – Promotes weight gain
  • Mindfulness – Enhances mental alertness
  • Leukopenia – Reduces leukopenia
  • Cachexia – Reduces cachexia in rats

Infectious Diseases – The Infection Fighter

Urinary tract infections:

  • Chlamydia – Lower Urinary Tract Infections Caused by Chlamydia
  • Urinary Tract Infection – Treatment of Urinary Tract Infections
  • Prostatitis – Treatment of Prostatitis

Antibacterial effect:

  • Bacteria – Effective against Escherichia coli, Staphylococcus aureus, and Bacillus subtilis
  • Fungi – Effective against Candida tropicalis, Fusarium graminearum, and Saccharomyces cerevisiae

HIV:

  • Rapid effect – Various authors claim the treatment has a rapid effect against the virus
  • Recovery rates – Higher recovery rates
  • CD4+ improvement – Increases CD4+ lymphocyte count

Traditional uses

Traditional Chinese Medicine (TCM) – A Time-Tested System of Medicine

Natural immune stimulant

Sclerotium extracts are used to treat various types of cancer:

  • Lung cancer
  • Cervical cancer
  • Esophageal cancer
  • Stomach cancer
  • Liver cancer
  • Colon cancer
  • Breast cancer
  • Leukemia
  • Lymphosarcoma

Traditional indications:

  • Edema
  • Frequent urge to urinate
  • Jaundice
  • Diarrhea
  • Vaginal discharge
  • Bladder infections and other urinary tract infections
  • Prostate infections
  • Respiratory infections, viruses, and the flu

Li Shi-chen’s Compendium of Materia Medica: P. umbellatus “opens the pores and channels of the skin and muscles, including the sweat glands; it treats gonorrheal swelling, beriberi, leukorrhea, urinary disorders during pregnancy, fetal swelling, and difficulty urinating”

TCMFormulas Containing P. umbellatus – Combination Therapies

Immunomodulation:

  • Lung-cleansing and detoxifying decoctions for immune modulation

Liver fibrosis:

  • Improvement in liver fibrosis in patients with cirrhosis

Breast cancer treatment:

  • Reducing the side effects of breast cancer treatment

Cancer treatment:

  • Apoptosis of gastric cancer cells in vitro and in vivo
  • Apoptosis of colorectal cancer cells

Skin care:

  • Acne treatment – Inhibits the 5α-reductase activity of testosterone and exhibits antimicrobial activity against Propionibacterium acnes
  • Anti-aging and Skin Care – Antioxidant, cell-activating, collagen-synthesis-promoting, and moisturizing effects of β(1→6)/β(1→3)-glucans

Safety considerations

Common side effects:

  • Arthralgia (joint pain)
  • Allergic reactions
  • Systemic lupus erythematosus
  • Vaginal bleeding
  • Gastrointestinal reactions

Rare serious side effects:

  • Anaphylactic shock
  • Other systemic issues

References

  1. Zhao Y-Y, Chao X, Zhang Y, Lin R-C, Sun W-J. Cytotoxic steroids from Polyporus umbellatus. Planta Med. October 2010; 76(15):1755–8.
  2. Guthmann, J. Medicinal Mushrooms: The World’s Most Important Species: Description – Components – Effects. 2nd updated and expanded edition. Wiebelsheim: Quelle & Meyer Verlag; 2021. 446 pp.
  3. Rogers, RD. The Mushroom Pharmacy: The Complete Guide to Medicinal Mushrooms and Lichens of North America. Berkeley, California: North Atlantic Books; 2011. 591 pp.
  4. Zhao Y-Y, Xie R-M, Chao X, Zhang Y, Lin R-C, Sun W-J. Bioactivity-guided isolation and identification of diuretic compounds from Polyporus umbellatus. J Ethnopharmacol. October 29, 2009; 126(1):184–7.
  5. Zhao Y-Y, Zhang L, Mao J-R, Cheng X-H, Lin R-C, Zhang Y, et al. Ergosta-4,6,8(14),22-tetraen-3-one, isolated from Polyporus umbellatus, prevents early kidney damage in rats with aristolochic acid-induced nephropathy. J Pharm Pharmacol. Dec. 2011;63(12):1581–6.
  6. Yuan D, Mori J, Komatsu K, Makino T, Kano Y. An anti-aldosterone diuretic component (which removes excess fluid) in Polyporus sclerotium. Biol Pharm Bull. June 2004;27(6):867–70.
  7. Rebensburg, P., & Kappl, A. Healthy with Medicinal Mushrooms: Strengthening the Immune System, Healing Diseases, and Relieving Ailments. Munich: riva; 2020. 271 pp.
  8. Dr. Walter Ardigò. Healing with Medicinal Mushrooms: A Practical Handbook. Youcanprint; 2017. 394 pp.
  9. Inaoka Y, Shakuya A, Fukazawa H, Ishida H, Nukaya H, Tsuji K, et al. Studies on active ingredients in herbs used for hair treatment. I. Effects of herbal extracts on hair growth and isolation of an active ingredient from Polyporus umbellatus F. Chem Pharm Bull (Tokyo). March 1994; 42(3):530–3.
  10. Ishida H, Inaoka Y, Shibatani J, Fukushima M, Tsuji K. Studies on the active compounds in herbs used for hair treatment. II. Isolation of the hair growth agents acetosyringone and polyporusterone A and B from Polyporus umbellatus Fries. Biol Pharm Bull. Nov. 1999; 22(11):1189–92.
  11. Bianchi I, Marrocchesi R. Healing with Medicinal Mushrooms: Therapeutic Properties and Guidelines for Use of the 12 Most Important Medicinal Mushrooms. Treviso: Editoriale Programma; 2015.
  12. Haertel B, Rimböck M, Neuerer T. Medicinal Mushrooms: Modulating, Regenerating, Strengthening. Salzburg: Druckerei Roser GmbH; 2019.
  13. Zhang G-W, Qin G-F, Han B, Li C-X, Yang H-G, Nie P-H, et al. Efficacy of Zhuling Polyporus polysaccharide combined with BCG in inhibiting bladder cancer. Carbohydr Polym. March 15, 2015;118:30–5.
  14. Guo Z, Zang Y, Zhang L. The efficacy of Polyporus umbellatus polysaccharide in the treatment of hepatitis B in China. Prog Mol Biol Transl Sci. 2019;163:329–60.
  15. Martin Powell. Medicinal Mushrooms. [Internet]. Place of publication not identified: Mycology Press; [cited December 27, 2021]. Available at: https://www.hoopladigital.com/title/11571096
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  17. Stamets, P. Growing Gourmet and Medicinal Mushrooms: Shokuyō oyobi yakuyō kinoko no saibai. 3rd ed. Berkeley, California: Ten Speed Press; 2000. 574 pp.
  18. Walter Ardigò. Polyporus umbellatus [Internet]. Available at: https://dottorardigo.it/funghi/polyporus/
  19. Wang Y-N, Wu X-Q, Zhang D-D, Hu H-H, Liu J-L, Vaziri ND, et al. Polyporus umbellatus protects against renal fibrosis by regulating intrarenal fatty acid metabolites. Front Pharmacol. February 19, 2021;12:633566.
  20. Walter Ardigò. Auricularia auricula-judae and Polyporus umbellatus are effective against arterial hypertension: a clinical study. 9th Int. Med. Mushrooms Conf. 2017;115–6.
  21. Yang D, Li S, Wang H, Li X, Liu S, Han W, et al. Prevention of postoperative recurrence of bladder cancer: a clinical study. Zhonghua Wai Ke Za Zhi. August 1999;37(8):464–5.
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  23. Zhang G, Zeng X, Li C, Li J, Huang Y, Han L, et al. Inhibition of bladder carcinogenesis by an aqueous extract of sclerotia from Polyporus umbellatus Fries and Polyporus polysaccharide. Am J Chin Med. 2011;39(1):135–44.
  24. Jia W, Luo S, Lai G, Li S, Huo S, Li M, et al. Homogeneous Polyporus polysaccharide inhibits bladder cancer by polarizing macrophages toward the M1 subtype in the tumor microenvironment. BMC Complementary Medicine and Therapies. May 2021;21.
  25. Yeh M-H, Wu H-C, Lin N-W, Hsieh J-J, Yeh J-W, Chiu H-P, et al. Long-term use of a combination of conventional medicine and Chinese herbal medicine reduces the risk of mortality in patients with lung cancer. Complement Ther Med. August 2020;52:102427.
  26. Guo Y, Chen X, Gong P. Classification, structure, and mechanism of action of antiviral polysaccharides from edible and medicinal mushrooms. Int J Biol Macromol. July 2021; 183:1753–73.
  27. Seo J, Lee D, Jo H-G. Traditional Korean Medicine for the Treatment of Tamoxifen-Associated Side Effects in Breast Cancer Patients: A CARE-Compliant Case Report. Complement Ther Clin Pract. May 2021;43:101378.
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