Enoki Mushroom: Nutrition, Research and Important Safety Considerations

Enoki mushrooms are low-calorie, high-fiber mushrooms with modest amounts of protein, potassium, and B vitamins, and they carry a well-documented food safety history that includes multiple U.S. listeria recalls. Because of that history, food safety agencies have specific handling advice for this mushroom, especially for people who are pregnant, older adults, or have weakened immune systems. This guide covers what the mushroom is, what the nutritional data show, what preliminary research has examined, and the safety steps that matter most.

Safety Comes First: What to Know Before You Buy

Enoki mushrooms have been linked to more than one multistate Listeria monocytogenes outbreak in the United States. The U.S. Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) investigated a 2020 outbreak tied to enoki mushrooms imported from South Korea, and a second outbreak identified in late 2022 tied to enoki mushrooms imported from China. Both investigations are officially closed, but the CDC guidance issued as part of that response remains a standing recommendation for this specific mushroom.

CDC advises that people who are pregnant, aged 65 or older, or who have a weakened immune system should not eat raw enoki mushrooms.
Listeria bacteria can survive and even grow at refrigerator temperatures, which is part of why this organism is a particular concern for mushrooms sold and stored cold.
Symptoms of listeriosis can include fever, muscle aches, and gastrointestinal upset, and in pregnant women it can lead to serious complications for the pregnancy. Anyone in a higher-risk group who develops these symptoms after eating mushrooms should contact a healthcare provider.
Cooking mushrooms thoroughly reduces the risk of bacterial contamination in general, but the safest approach for higher-risk individuals is to avoid raw enoki mushrooms rather than rely on cooking alone.

What Is Enoki Mushroom?

Flammulina velutipes, commonly sold as enoki, is a long, thin, white mushroom usually bundled in dense clusters. It is also labeled enokitake, golden needle mushroom, or lily mushroom, and it’s a staple in East Asian cooking, especially in soups, hot pot, and stir-fries. Cultivated enoki grown without light has the familiar pale, spindly look found in grocery stores, unlike the mushroom’s darker, shorter wild form.

Enoki Mushroom Nutrition

Enoki is a low-calorie, low-fat food with a meaningful amount of dietary fiber for its size. Published USDA food composition data for raw enoki mushrooms show approximate values per 100 grams (about 3.5 ounces, or roughly one small handful):

Calories: approximately 35–45
Protein: approximately 2–3 grams
Carbohydrates: approximately 6–8 grams
Dietary fiber: approximately 2–3 grams
Fat: less than 1 gram
Potassium: roughly 350–400 milligrams
Iron: roughly 1 milligram
B vitamins: contains niacin, riboflavin, and pantothenic acid in modest amounts

These figures are approximate because nutrient values can vary slightly between growing conditions, cultivars, and testing methods. Enoki is naturally low in sodium and contains no cholesterol, which is consistent with most fresh mushroom varieties.

What the Research Looks At

Interest in enoki mushroom research has focused mainly on its polysaccharide and protein content, including a compound called FIP-fve, which has been studied in laboratory and animal models for its effects on immune cell activity. This line of research is preliminary. Much of it has been conducted in cell cultures or animals, not in large human clinical trials, so it cannot be used to support specific health claims about eating the mushroom or taking a supplement made from it. Anyone interested in this research area should view it as an early, developing field rather than as established evidence of a health benefit.

For a broader look at how researchers evaluate immune-related mushroom compounds, including which species currently have stronger human evidence, see our guide to mushrooms and immune support.

Food Safety History: What Happened

March 2020 Outbreak

FDA and CDC investigated a multistate listeriosis outbreak linked to enoki mushrooms from Green Co., Ltd. of South Korea. Recalls were issued by multiple U.S. distributors, including Sun Hong Foods, Guan’s Mushroom Co., and H&C Food, Inc. CDC declared this outbreak over in June 2020.

November 2022 Outbreak

A second outbreak was linked to enoki mushrooms imported from China, including products distributed by Utopia Foods, Inc., and mushrooms produced by Shandong Youhe Biotechnology Co. FDA and state laboratories found outbreak strains of Listeria in multiple product samples during the investigation, leading to an expanded recall in January 2023. CDC declared this outbreak over in April 2023.

Both investigations are closed, but they establish a documented pattern: enoki mushrooms have tested positive for listeria contamination more than once, from multiple countries of origin. This is part of why ongoing caution with this specific mushroom is reasonable, even outside of an active recall.

Safe Handling Checklist

Check for any active recall notices before buying or using enoki mushrooms you already have.
Store enoki mushrooms in the refrigerator and use them promptly, since listeria can grow slowly even at cold temperatures.
Trim and discard the root end, then rinse the mushrooms before cooking.
Cook enoki mushrooms thoroughly rather than eating them raw.
If you are pregnant, 65 or older, or immunocompromised, skip raw enoki mushrooms entirely, including raw garnishes in restaurant dishes.
Clean any surfaces, knives, or containers that have touched raw enoki mushrooms, since listeria can easily spread to other foods.

Culinary Mushroom vs. Supplement Extract: Two Different Products

It’s worth separating the fresh mushroom you cook with from any enoki-derived supplement ingredient on the market. They are not interchangeable, and the safety considerations are different for each.

Fresh culinary enoki: Sold in produce sections, eaten cooked, subject to the recall and listeria history described above. This is what most nutrition data and outbreak reports refer to.
Supplement or extract form: Processed differently than fresh mushrooms, typically dried and concentrated. Extraction and manufacturing standards vary by product and manufacturer, so label transparency and sourcing matter. Preliminary research on isolated compounds does not automatically apply to a specific packaged supplement.

For background on how fruiting body and mycelium-based products differ, which applies to how mushroom ingredients are sourced across the category, see our fruiting body vs. mycelium guide. For a look at a related culinary and research mushroom with its own evidence profile, see our shiitake mushroom page.

Extra-Caution Groups

Based on CDC guidance issued in connection with the enoki listeria investigations, the following groups should not eat raw enoki mushrooms and should talk to a healthcare provider with any food safety questions specific to their situation:

People who are pregnant
Adults aged 65 and older
People with a weakened immune system, including those undergoing certain medical treatments

Frequently Asked Questions

Can you eat enoki mushrooms raw?

Cooking is the safer approach for everyone, and it is strongly advised against for anyone who is pregnant, 65 or older, or immunocompromised, based on CDC guidance tied to past listeria outbreaks linked to this mushroom.

Why have enoki mushrooms been recalled before?

FDA and CDC identified enoki mushrooms as the source of two separate multistate listeria outbreaks, in 2020 and again in 2022, tied to imported product from different countries and distributors.

Are enoki mushroom supplements tested the same way as the fresh mushrooms?

Not necessarily. Supplement and extract products undergo different processing from fresh mushrooms, and manufacturing and testing standards vary by brand. Checking a specific product’s label and sourcing information is a separate question from the food safety history of fresh enoki.

What does current research say about enoki mushroom health benefits?

Most available research is early-stage, based on laboratory or animal studies of specific compounds like FIP-fve. This is preliminary evidence, not confirmation of a health benefit in people, and it should not be used as a basis for treating or preventing any condition.

Educational Disclaimer

This article is for educational purposes only and is not medical advice, a diagnosis, or a treatment recommendation. It does not endorse or evaluate any specific commercial product. Food safety information reflects official FDA and CDC investigations as reported publicly; always check for current recall notices before purchasing or consuming enoki mushrooms. Anyone with symptoms of illness or questions about food safety related to pregnancy, age, or a medical condition should contact a qualified healthcare provider.