Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Polyporus umbellatus, a medicinal mushroom used in Traditional Chinese Medicine (TCM), has a long history of application for conditions involving water metabolism and "dampness," which includes the treatment of swollen lymph nodes and glandular swellings. In TCM, polyporus is known as Zhuling and is valued for its diuretic properties, believed to help reduce edema and "phlegm" accumulation—concepts sometimes associated with lymphatic swelling or glandular enlargement in traditional frameworks. Historical texts such as the Shennong Bencao Jing and later materia medica attribute to it the ability to "drain dampness" and support "urinary passage," which practitioners interpret as helping to alleviate swelling, including that of lymph nodes.

Modern scientific investigations have focused on its diuretic and immunomodulatory properties, with some in vitro and animal studies suggesting anti-inflammatory and lymphocyte-regulating effects. However, there is limited clinical evidence specifically examining polyporus for swollen lymph nodes or glands in humans. Thus, while traditional use is well-documented, scientific validation for this particular application remains weak. The evidence rating of 2 reflects a moderate traditional consensus with minimal direct clinical research supporting its use for lymphatic or glandular swelling.

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