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Maitake, the forest's dance · the dancing mushroom of oaks

Maitake, hen of the woods, is the Japanese "dancing mushroom". Educational notes on its name, legend, the fruiting body under oaks and its place at the table.

Mateusz Rosa

TCM therapist · Doctor of Acupuncture (WFAS) · author of a book on functional mushrooms

3 min read

Maitake, the forest's dance · the dancing mushroom of oaks
Contents

Maitake is a mushroom with two names that tell the same scene. In Japan it is the "dancing mushroom", while in English-speaking countries it is known as hen of the woods. Both names come from one sight: a lush rosette growing at the foot of an old oak.

In Latin it is Grifola frondosa. This piece is a story about the name, the legend and this mushroom's place in the Japanese kitchen. It is a piece of culture, not a promise.

Where "the forest's dance" comes from

The word "maitake" (舞茸) joins two characters: "dance" and "mushroom". Old Japanese foragers found it rarely, and each specimen tended to be large and prized. Legend says that at the sight of such a find people danced with joy. Hence the "dancing mushroom".

This is a story, do not read it as a promise. The symbolism of joy speaks of the culture of a forest find, not of an effect on the body.

A fruiting body like a wave of leaves

Maitake has no single cap on a stem. Its fruiting body is a dense rosette of overlapping "leaflets", resembling the ruffled feathers of a hen or a wave of leaves. Hence the English "hen of the woods".

It grows at the base of deciduous trees, most often old oaks. It is an autumn mushroom: it returns to the same spot year after year, at the foot of the same trunk. In the kitchen it is valued for its meaty, springy texture.

The Japanese table tradition

In Japan, maitake has been a culinary ingredient for centuries, not just a forest curiosity.

  • Broth and dashi · the leaflets lend a deep, earthy flavour to stocks and soups.
  • Tempura · the rosette in crisp batter is a classic of the Japanese table.
  • Braising and roasting · the springy structure holds its shape in the pan and oven.

In the old understanding of tradition, maitake was counted among mushrooms valued in everyday life, woven into the rhythm of meals. Remember: this is a cultural description, not a modern claim about effects.

Maitake in your ritual

Today we reach for maitake not only on the plate but also as a functional mushroom, in the form of an extract woven into a daily routine.

  • During the day · you add it where it fits the rhythm of your meals.
  • Regularly · functional mushrooms belong in a routine, not in an emergency.
  • Your choice · pick the form and timing that fit your day.

If you take medication, are pregnant or breastfeeding, discuss use with your doctor or pharmacist.

See also: Shiitake, from the kitchen and tradition of Asia · mushroom atlas.

FAQ: frequently asked questions

What are the properties of maitake mushrooms?

Maitake, in Japanese the "dancing mushroom", is an edible species present in Japanese cuisine and tradition. Science looks at its beta-glucans (D and MD fractions): in our Research Atlas we have gathered 13 pieces of literature on maitake, including randomized trials. At every entry we write what was checked and with what result, without shortcuts.


This content is for educational purposes only and does not constitute medical advice. A food supplement does not replace a varied diet or a healthy lifestyle. If in doubt, consult your doctor or pharmacist.

Maitake in scientific research

What was studied, on how many people and with what level of evidence. This overview describes studies, not the effects of a product.

7

human studies

1

placebo-controlled RCTs

1994–2026

years of publication

  • Jogi E.M. et al., 2026

    C

    RCT, double-blind, placebo-controlled

    47 healthy people aged 60+

    The double-blind, placebo-controlled RCT examined the effect of Grifola frondosa on cognitive function in 47 healthy people aged 60+.

    PMID 42055721
  • Deng G. et al., 2009

    D

    phase I/II, dose escalation

    34 women

    The phase I/II dose-escalation study examined the safety and immunological effects of a Grifola frondosa extract in 34 women after breast cancer treatment.

    PMID 19253021
  • Wesa K.M. et al., 2015

    D

    phase II

    21 enrolled, 18 evaluated

    The phase II study examined a Grifola frondosa extract in myelodysplastic syndrome (MDS) in 21 enrolled people (18 evaluated).

    PMID 25351719
  • Chen J.-T. et al., 2010

    D

    randomised, open-label, no blinding

    80 patients

    The randomised, open-label study (no blinding) examined a Grifola frondosa extract in polycystic ovary syndrome (PCOS) in 80 patients.

    PMID 21034160
  • Ulbricht C. et al., 2009

    B

    systematic review

    not applicable

    The systematic review (Natural Standard methodology) collected available data on the uses and safety of Grifola frondosa.

    PMID 19476741
  • Kodama N. et al., 2003

    D

    observational, uncontrolled

    10 patients

    The uncontrolled observational study examined the effect of the D-fraction from Grifola frondosa on NK cell activity in 10 oncology patients.

    PMID 14977447
  • Zhao F. et al., 2021

    E

    animal meta-analysis · preclinical studies (in vitro and rodent)

    24 studies

    The preclinical meta-analysis collected 24 animal studies on Grifola frondosa.

    PMID 34271115
  • Liu J. et al., 2023

    E

    animal study · preclinical studies (in vitro and rodent)

    20 mice

    The study in 20 mice examined the safety of long-term administration of various Grifola frondosa doses.

    PMID 37193332
  • Konno S. et al., 2001

    D

    pilot, research letter, uncontrolled

    6 patients

    A brief research letter described glycaemia observations in six type 2 diabetes patients taking the extract. Very small sample, no control group.

    PMID 11903406
  • Konno S. et al., 2013

    E

    mechanistic in vitro (L6 cells) · preclinical studies (in vitro and rodent)

    not applicable

    The study examined the mechanism of action of the SX-fraction on the insulin signalling pathway in L6 muscle cells, referencing the author's earlier clinical observations.

    PMID 23569395
  • Konno S., 2020

    E

    narrative review by the fraction's author · preclinical studies (in vitro and rodent)

    not applicable

    A narrative review summarised data on the SX-fraction in type 2 diabetes; the author is also the fraction's original researcher.

    PMID 33384765
  • Kubo K., Aoki H., Nanba H., 1994

    E

    animal study (N and dose not verified) · preclinical studies (in vitro and rodent)

    not established in this literature review

    The oldest paper in this set, an animal study on the anti-diabetic activity of the fruiting-body extract (first description of the so-called X-fraction). Animal number and dose were not verified in this literature review.

    PMID 7820117
  • Wu J.-Y., Siu K.-C., Geng P., 2021

    E

    narrative review · preclinical studies (in vitro and rodent)

    not applicable

    The review collected data on bioactive compounds (polysaccharides, beta-glucans, proteins, sterols, phenols) and their effects described in the literature.

    PMID 33466429

Evidence levels: A · Cochrane review · B · systematic review · C · placebo RCT · D · pilot RCT · E · preclinical studies

What these studies don't say

  • Samples are usually small, most from a single population.
  • Results describe research interventions, not a dietary supplement.
  • The presence of a study is not a health claim.

Source: Aloha Fungi literature review, 1 September 2026; entries verified via PubMed or by DOI (Crossref). See the research

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